1Z0-047_2.pdf - Part I

Questão 1 de 56

1

You need to load information about new customers from the NEW_CUST table into the tables

CUST and CUST_SPECIAL. If a new customer has a credit limit greater than 10,000, then the

details have to be inserted into CUST_SPECIAL. All new customer details have to be inserted

into the CUST table. Which technique should be used to load the data most efficiently?

Selecione uma ou mais das seguintes:

external table
the MERGE command
the multitable INSERT command
INSERT using WITH CHECK OPTION

Explicação

Questão 2 de 56

1

View the Exhibit and examine the description of the CUSTOMERS table.

You want to add a constraint on the CUST_FIRST_NAME column of the CUSTOMERS table so

that the value inserted in the column does not have numbers.

Which SQL statement would you use to accomplish the task?

Selecione uma ou mais das seguintes:

ALTER TABLE CUSTOMERS ADD CONSTRAINT cust_f_name

CHECK(REGEXP_LIKE(cust_first_name,'^A-Z'))NOVALIDATE ;
ALTER TABLE CUSTOMERS ADD CONSTRAINT cust_f_name

CHECK(REGEXP_LIKE(cust_first_name,'^[0-9]'))NOVALIDATE ;
ALTER TABLE CUSTOMERS ADD CONSTRAINT cust_f_name

CHECK(REGEXP_LIKE(cust_first_name,'[[:alpha:]]'))NOVALIDATE ;
ALTER TABLE CUSTOMERS ADD CONSTRAINT cust_f_name

CHECK(REGEXP_LIKE(cust_first_name,'[[:digit:]]'))NOVALIDATE ;

Explicação

Questão 3 de 56

1

Which three tasks can be performed using regular expression support in Oracle Database 10g?

(Choose three.)

Selecione uma ou mais das seguintes:

A. It can be used to concatenate two strings.
B. It can be used to find out the total length of the string.
C. It can be used for string manipulation and searching operations.
D. It can be used to format the output for a column or expression having string data.
E. It can be used to find and replace operations for a column or expression having string data.

Explicação

Questão 4 de 56

1

View the Exhibit and examine the structure of the EMP table which is not partitioned and not an

index-organized table.
Evaluate the following SQL statement:

ALTER TABLE emp

DROP COLUMN first_name;

Which two statements is true regarding the above command? (Choose two.)

Selecione uma ou mais das seguintes:

A. The FIRST_NAME column would be dropped provided it does not contain any data.
B. The FIRST_NAME column would be dropped provided at least one or more columns remain in

the table.
C. The FIRST_NAME column can be rolled back provided the SET UNUSED option is added to

the above SQL statement.
D. The FIRST_NAME column can be dropped even if it is part of a composite PRIMARY KEY

provided the CASCADE option is used.

Explicação

Questão 5 de 56

1

Evaluate the CREATE TABLE statement:

CREATE TABLE products

(product_id NUMBER(6) CONSTRAINT prod_id_pk PRIMARY KEY,

product_name VARCHAR2(15));

Which statement is true regarding the PROD_ID_PK constraint?

Selecione uma ou mais das seguintes:

A. It would be created only if a unique index is manually created first.
B. It would be created and would use an automatically created unique index.
C. It would be created and would use an automatically created no unique index.
D. It would be created and remains in a disabled state because no index is specified in the

command.

Explicação

Questão 6 de 56

1

Which two statements are true? (Choose two.)

Selecione uma ou mais das seguintes:

A. The USER_SYNONYMS view can provide information about private synonyms.
B. The user SYSTEM owns all the base tables and user-accessible views of the data dictionary.
C. All the dynamic performance views prefixed with V$ are accessible to all the database users.
D. The USER_OBJECTS view can provide information about the tables and views created by the

user only.
E. DICTIONARY is a view that contains the names of all the data dictionary views that the user

can access.

Explicação

Questão 7 de 56

1

View the Exhibit and examine the description of the ORDERS table.
Which two WHERE clause conditions demonstrate the correct usage of conversion functions?

(Choose two.)

Selecione uma ou mais das seguintes:

A. WHERE order_date > TO_DATE('JUL 10 2006','MON DD YYYY')
B. WHERE TO_CHAR(order_date,'MON DD YYYY') = 'JAN 20 2003'
C. WHERE order_date > TO_CHAR(ADD_MONTHS(SYSDATE,6),'MON DD YYYY')
D. WHERE order_date IN ( TO_DATE('Oct 21 2003','Mon DD YYYY'), TO_CHAR('NOV 21

2003','Mon DD YYYY') )

Explicação

Questão 8 de 56

1

View the Exhibit and examine the description of the EMPLOYEES table.
Your company decided to give a monthly bonus of $50 to all the employees who have completed

five years in the company. The following statement is written to display the LAST_NAME,

DEPARTMENT_ID, and the total annual salary:

SELECT last_name, department_id, salary+50*12 "Annual Compensation"

FROM employees

WHERE MONTHS_BETWEEN(SYSDATE, hire_date)/12 >= 5;

When you execute the statement, the "Annual Compensation" is not computed correctly. What

changes would you make to the query to calculate the annual compensation correctly?

Selecione uma ou mais das seguintes:

A. Change the SELECT clause to SELECT last_name, department_id, salary*12+50 "Annual

Compensation".
B. Change the SELECT clause to SELECT last_name, department_id, salary+(50*12) "Annual

Compensation".
C. Change the SELECT clause to SELECT last_name, department_id, (salary+50)*12 "Annual

Compensation".
D. Change the SELECT clause to SELECT last_name, department_id, (salary*12)+50 "Annual

Compensation".

Explicação

Questão 9 de 56

1

Evaluate the following CREATE SEQUENCE statement:

CREATE SEQUENCE seq1

START WITH 100

INCREMENT BY 10

MAXVALUE 200

CYCLE

NOCACHE;

The sequence SEQ1 has generated numbers up to the maximum limit of 200. You issue the

following SQL statement:

SELECT seq1.nextval FROM dual;

What is displayed by the SELECT statement?

Selecione uma ou mais das seguintes:

A. 1
B. 10
C. 100
D. an error

Explicação

Questão 10 de 56

1

View the Exhibit and examine the description of the EMPLOYEES table.
You want to display the EMPLOYEE_ID, FIRST_NAME, and DEPARTMENT_ID for all the

employees who work in the same department and have the same manager as that of the

employee having EMPLOYEE_ID 104. To accomplish the task, you execute the following SQL

statement:

SELECT employee_id, first_name, department_id

FROM employees

WHERE (manager_id, department_id) =(SELECT department_id, manager_id

FROM employees

WHERE employee_id = 104)

AND employee_id <> 104;

When you execute the statement it does not produce the desired output. What is the reason for

this?

Selecione uma ou mais das seguintes:

A. The WHERE clause condition in the main query is using the = comparison operator, instead of

EXISTS.
B. The WHERE clause condition in the main query is using the = comparison operator, instead of

the IN operator.
C. The WHERE clause condition in the main query is using the = comparison operator, instead of

the = ANY operator.
D. The columns in the WHERE clause condition of the main query and the columns selected in

the subquery should be in the same order.

Explicação

Questão 11 de 56

1

View the Exhibit and examine the descriptions of ORDER_ITEMS and ORDERS tables.
You want to display the CUSTOMER_ID, PRODUCT_ID, and total (UNIT_PRICE multiplied by

QUANTITY) for the order placed. You also want to display the subtotals for a CUSTOMER_ID as

well as for a PRODUCT_ID for the last six months.

Which SQL statement would you execute to get the desired output?

Selecione uma ou mais das seguintes:

A. SELECT o.customer_id, oi.product_id, SUM(oi.unit_price*oi.quantity) "Total" FROM

order_items oi JOIN orders o

ON oi.order_id=o.order_id

GROUP BY ROLLUP (o.customer_id,oi.product_id)

WHERE MONTHS_BETWEEN(order_date, SYSDATE) <= 6;
B. SELECT o.customer_id, oi.product_id, SUM(oi.unit_price*oi.quantity) "Total"

FROM order_items oi JOIN orders o

ON oi.order_id=o.order_id

GROUP BY ROLLUP (o.customer_id,oi.product_id)

HAVING MONTHS_BETWEEN(order_date, SYSDATE) <= 6;
C. SELECT o.customer_id, oi.product_id, SUM(oi.unit_price*oi.quantity) "Total"

FROM order_items oi JOIN orders o

ON oi.order_id=o.order_id

GROUP BY ROLLUP (o.customer_id, oi.product_id)

WHERE MONTHS_BETWEEN(order_date, SYSDATE) >= 6;
D. SELECT o.customer_id, oi.product_id, SUM(oi.unit_price*oi.quantity) "Total"

FROM order_items oi JOIN orders o

ON oi.order_id=o.order_id

WHERE MONTHS_BETWEEN(order_date, SYSDATE) <= 6

GROUP BY ROLLUP (o.customer_id, oi.product_id) ;

Explicação

Questão 12 de 56

1

View the Exhibit and examine the structure of the EMPLOYEES table.
You want to retrieve hierarchical data of the employees using the top-down hierarchy. Which SQL

clause would let you choose the direction to walk through the hierarchy tree?

Selecione uma ou mais das seguintes:

A. WHERE
B. HAVING
C. GROUP BY
D. START WITH
E. CONNECT BY PRIOR

Explicação

Questão 13 de 56

1

Which two statements is true regarding the execution of the correlated subqueries? (Choose

two.)

Selecione uma ou mais das seguintes:

A. The nested query executes after the outer query returns the row.
B. The nested query executes first and then the outer query executes.
C. The outer query executes only once for the result returned by the inner query.
D. Each row returned by the outer query is evaluated for the results returned by the inner query.

Explicação

Questão 14 de 56

1

OE and SCOTT are the users in the database. The ORDERS table is owned by OE. Evaluate the

statements issued by the DBA in the following sequence:

CREATE ROLE r1;

GRANT SELECT, INSERT ON oe.orders TO r1;

GRANT r1 TO scott;

GRANT SELECT ON oe.orders TO scott;

REVOKE SELECT ON oe.orders FROM scott;

What would be the outcome after executing the statements?

Selecione uma ou mais das seguintes:

A. SCOTT would be able to query the OE.ORDERS table.
B. SCOTT would not be able to query the OE.ORDERS table.
C. The REVOKE statement would remove the SELECT privilege from SCOTT as well as from the

role R1.
D. The REVOKE statement would give an error because the SELECT privilege has been granted

to the role R1.

Explicação

Questão 15 de 56

1

Evaluate the following SQL statement:

ALTER TABLE hr.emp

SET UNUSED (mgr_id);

Which statement is true regarding the effect of the above SQL statement?

Selecione uma ou mais das seguintes:

A. Any synonym existing on the EMP table would have to be re-created.
B. Any constraints defined on the MGR_ID column would be removed by the above command.
C. Any views created on the EMP table that include the MGR_ID column would have to be

dropped and re-created.
D. Any index created on the MGR_ID column would continue to exist until the DROP UNUSED

COLUMNS command is executed.

Explicação

Questão 16 de 56

1

EMPDET is an external table containing the columns EMPNO and ENAME.

Which command would work in relation to the EMPDET table?

Selecione uma ou mais das seguintes:

A. UPDATE empdet

SET ename = 'Amit'

WHERE empno = 1234;
B. DELETE FROM empdet

WHERE ename LIKE 'J%';
C. CREATE VIEW empvu

AS

SELECT * FROM empdept;
D. CREATE INDEX empdet_idx

ON empdet(empno);

Explicação

Questão 17 de 56

1

View the Exhibit and examine the structure of the MARKS_DETAILS and MARKStables.
Which is the best method to load data from the MARKS_DETAILStable to the MARKStable?

Selecione uma ou mais das seguintes:

A. Pivoting INSERT
B. Unconditional INSERT
C. Conditional ALL INSERT
D. Conditional FIRST INSERT

Explicação

Questão 18 de 56

1

View the Exhibit and examine the data in ORDERS and ORDER_ITEMS tables.
You need to create a view that displays the ORDER ID, ORDER_DATE, and the total number of

items in each order.

Which CREATE VIEW statement would create the view successfully?

Selecione uma ou mais das seguintes:

A. CREATE OR REPLACE VIEW ord_vu (order_id,order_date)

AS SELECT o.order_id, o.order_date, COUNT(i.line_item_id)

"NO OF ITEMS"

FROM orders o JOIN order_items i

ON (o.order_id = i.order_id)

GROUP BY o.order_id,o.order_date;
B. CREATE OR REPLACE VIEW ord_vu

AS SELECT o.order_id, o.order_date, COUNT(i.line_item_id)

"NO OF ITEMS"

FROM orders o JOIN order_items i

ON (o.order_id = i.order_id)

GROUP BY o.order_id,o.order_date;
C. CREATE OR REPLACE VIEW ord_vu

AS SELECT o.order_id, o.order_date, COUNT(i.line_item_id)

FROM orders o JOIN order_items i

ON (o.order_id = i.order_id)

GROUP BY o.order_id,o.order_date;
D. CREATE OR REPLACE VIEW ord_vu

AS SELECT o.order_id, o.order_date, COUNT(i.line_item_id)||' NO OF ITEMS'

FROM orders o JOIN order_items i

ON (o.order_id = i.order_id)

GROUP BY o.order_id,o.order_date

WITH CHECK OPTION;

Explicação

Questão 19 de 56

1

View the Exhibit and examine PRODUCTS and ORDER_ITEMS tables.
You executed the following query to display PRODUCT_NAME and the number of times the

product has been ordered:

SELECT p.product_name, i.item_cnt

FROM (SELECT product_id, COUNT (*) item_cnt

FROM order_items

GROUP BY product_id) i RIGHT OUTER JOIN products p

ON i.product_id = p.product_id;

What would happen when the above statement is executed?

Selecione uma ou mais das seguintes:

A. The statement would execute successfully to produce the required output.
B. The statement would not execute because inline views and outer joins cannot be used

together.
C. The statement would not execute because the ITEM_CNT alias cannot be displayed in the

outer query.
D. The statement would not execute because the GROUP BY clause cannot be used in the inline

view.

Explicação

Questão 20 de 56

1

In which scenario would you use the ROLLUP operator for expression or columns within a

GROUP BY clause?

Selecione uma ou mais das seguintes:

A. to find the groups forming the subtotal in a row
B. to create group-wise grand totals for the groups specified within a GROUP BY clause
C. to create a grouping for expressions or columns specified within a GROUP BY clause in one

direction, from right to left for calculating the subtotals
D. to create a grouping for expressions or columns specified within a GROUP BY clause in all

possible directions, which is cross-tabular report for calculating the subtotals

Explicação

Questão 21 de 56

1

View the Exhibit and examine the details of the EMPLOYEES table.

Evaluate the following SQL statement:

SELECT phone_number,

REGEXP_REPLACE(phone_number,'([[:digit:]]{3})\.([[:digit:]]{3})\.([[:digit:]]{4})', '(\1) \2-\3')

"PHONE NUMBER"

FROM employees;

The query was written to format the PHONE_NUMBER for the employees. Which option would

be the correct format in the output?

Selecione uma ou mais das seguintes:

A. xxx-xxx-xxxx
B. (xxx) xxxxxxx
C. (xxx) xxx-xxxx
D. xxx-(xxx)-xxxx

Explicação

Questão 22 de 56

1

Which statement correctly grants a system privilege?

Selecione uma ou mais das seguintes:

A. GRANT EXECUTE

ON proc1

TO PUBLIC;
B. GRANT CREATE VIEW

ON table1 TO

user1;
C. GRANT CREATE TABLE

TO user1,user2;
D. GRANT CREATE SESSION

TO ALL;

Explicação

Questão 23 de 56

1

View the Exhibit and examine the structure of the CUST table.

Evaluate the following SQL statements executed in the given order:

ALTER TABLE cust

ADD CONSTRAINT cust_id_pk PRIMARY KEY(cust_id) DEFERRABLE INITIALLY DEFERRED;

INSERT INTO cust VALUES (1,'RAJ'); --row 1

INSERT INTO cust VALUES (1,'SAM'); --row 2

COMMIT;

SET CONSTRAINT cust_id_pk IMMEDIATE;

INSERT INTO cust VALUES (1,'LATA'); --row 3

INSERT INTO cust VALUES (2,'KING'); --row 4

COMMIT;

Which rows would be made permanent in the CUST table?

Selecione uma ou mais das seguintes:

A. row 4 only
B. rows 2 and 4
C. rows 3 and 4
D. rows 1 and 4

Explicação

Questão 24 de 56

1

View the Exhibit and examine the structure of the ORDERS table:

The ORDER_ID column has the PRIMARY KEY constraint and CUSTOMER_ID has the NOT

NULL constraint.

Evaluate the following statement:

INSERT INTO (SELECT order_id,order_date,customer_id

FROM ORDERS

WHERE order_total = 1000

WITH CHECK OPTION)

VALUES (13, SYSDATE, 101);

What would be the outcome of the above INSERT statement?

Selecione uma ou mais das seguintes:

A. It would execute successfully and the new row would be inserted into a new temporary table

created by the subquery.
B. It would execute successfully and the ORDER_TOTAL column would have the value 1000

inserted automatically in the new row.
C. It would not execute successfully because the ORDER_TOTAL column is not specified in the

SELECT list and no value is provided for it.
D. It would not execute successfully because all the columns from the ORDERS table should

have been included in the SELECT list and values should have been provided for all the

columns.

Explicação

Questão 25 de 56

1

View the Exhibit and examine the description of the EMPLOYEES table.
Your company wants to give 5% bonus to all the employees on their annual salary. The SALARY

column stores the monthly salary for an employee. To check the total for annual salary and bonus

amount for each employee, you issued the following SQL statement:

SELECT first_name, salary, salary12+salary12*.05 "ANNUAL SALARY + BONUS"

FROM employees;

Which statement is true regarding the above query?

Selecione uma ou mais das seguintes:

A. It would execute and give you the desired output.
B. It would not execute because the AS keyword is missing between the column name and the

alias.
C. It would not execute because double quotation marks are used instead of single quotation

marks for assigning alias for the third column.
D. It would execute but the result for the third column would be inaccurate because the

parentheses for overriding the precedence of the operator are missing.

Explicação

Questão 26 de 56

1

Which statement is true regarding external tables?

Selecione uma ou mais das seguintes:

A. The default REJECT LIMIT for external tables is UNLIMITED.
B. The data and metadata for an external table are stored outside the database.
C. ORACLE_LOADER and ORACLE_DATAPUMP have exactly the same functionality when

used with an external table.
D. The CREATE TABLE AS SELECT statement can be used to unload data into regular table in

the database from an external table.

Explicação

Questão 27 de 56

1

View the Exhibit and examine the structure of the PRODUCT_INFORMATION table.
You want to see the product names and the date of expiration of warranty for all the products, if

the product is purchased today. The products that have no warranty should be displayed at the

top and the products with maximum warranty period should be displayed at the bottom.

Which SQL statement would you execute to fulfill this requirement?

Selecione uma ou mais das seguintes:

A. SELECT product_name, category_id, SYSDATE+warranty_period AS "Warranty expire date"

FROM product_information ORDER BY SYSDATE-warranty_period;
B. SELECT product_name, category_id, SYSDATE+warranty_period AS "Warranty expire date"

FROM product_information ORDER BY SYSDATE+warranty_period;
C. SELECT product_name, category_id, SYSDATE+warranty_period AS "Warranty expire date"

FROM product_information ORDER BY SYSDATE;
D. SELECT product_name, category_id, SYSDATE+warranty_period "Warranty expire date"

FROM product_information WHERE warranty_period >SYSDATE;

Explicação

Questão 28 de 56

1

Which two statements are true regarding the EXISTS operator used in the correlated subqueries?

(Choose two.)

Selecione uma ou mais das seguintes:

A. The outer query stops evaluating the result set of the inner query when the first value is found.
B. It is used to test whether the values retrieved by the inner query exist in the result of the outer

query.
C. It is used to test whether the values retrieved by the outer query exist in the result set of the

inner query.
D. The outer query continues evaluating the result set of the inner query until all the values in the

result set are processed.

Explicação

Questão 29 de 56

1

A non-correlated subquery can be defined as ____.

Selecione uma ou mais das seguintes:

A. a set of sequential queries, all of which must always return a single value
B. a set of sequential queries, all of which must return values from the same table
C. a SELECT statement that can be embedded in a clause of another SELECT statement only
D. a set of one or more sequential queries in which generally the result of the inner query is used

as the search value in the outer query

Explicação

Questão 30 de 56

1

You need to create a table for a banking application with the following considerations:

1) You want a column in the table to store the duration of the credit period.

2) The data in the column should be stored in a format such that it can be easily added and

subtracted with

3) date type data without using the conversion functions.

4) The maximum period of the credit provision in the application is 30 days.

5) The interest has to be calculated for the number of days an individual has taken a credit for.

Which data type would you use for such a column in the table?

Selecione uma ou mais das seguintes:

A. INTERVAL YEAR TO MONTH
B. INTERVAL DAY TO SECOND
C. TIMESTAMP WITH TIME ZONE
D. TIMESTAMP WITH LOCAL TIME ZONE

Explicação

Questão 31 de 56

1

Which statements are true regarding the hierarchical query in Oracle Database 10g? (Choose all

that apply.)

Selecione uma ou mais das seguintes:

A. It is possible to retrieve data only in top-down hierarchy.
B. It is possible to retrieve data in top-down or bottom-up hierarchy.
C. It is possible to remove an entire branch from the output of the hierarchical query.
D. You cannot specify conditions when you retrieve data by using a hierarchical query.

Explicação

Questão 32 de 56

1

Which two statements are true regarding views? (Choose two.)

Selecione uma ou mais das seguintes:

A. A simple view in which column aliases have been used cannot be updated.
B. A subquery used in a complex view definition cannot contain group functions or joins.
C. Rows cannot be deleted through a view if the view definition contains the DISTINCT keyword.
D. Rows added through a view are deleted from the table automatically when the view is

dropped.
E. The OR REPLACE option is used to change the definition of an existing view without dropping

and re-creating it.
F. The WITH CHECK OPTION constraint can be used in a view definition to restrict the columns

displayed through the view.

Explicação

Questão 33 de 56

1

View the Exhibit and examine the details of the ORDER_ITEMS table.

Evaluate the following SQL statements:

Statement 1:

SELECT MAX(unit_pricequantity) "Maximum Order"

FROM order_items;

Statement 2:

SELECT MAX(unit_pricequantity) "Maximum Order"

FROM order_items

GROUP BY order_id;

Which statements are true regarding the output of these SQL statements? (Choose all that

apply.)

Selecione uma ou mais das seguintes:

A. Statement 1 would return only one row of output.
B. Both the statements would give the same output.
C. Statement 2 would return multiple rows of output.
D. Statement 1 would not return any row because the GROUP BY clause is missing.
E. Both statements would ignore NULL values for the UNIT_PRICE and QUANTITY columns.

Explicação

Questão 34 de 56

1

View the Exhibit and examine the structure of the ORDERS and ORDER_ITEMS tables.

Evaluate the following SQL statement:

SELECT oi.order_id, product_id, order_date

FROM order_items oi JOIN orders o

USING(order_id);

Which statement is true regarding the execution of this SQL statement?

Selecione uma ou mais das seguintes:

A. The statement would not execute because table aliases are not allowed in the JOIN clause.
B. The statement would not execute because the table alias prefix is not used in the USING

clause.
C. The statement would not execute because all the columns in the SELECT clause are not

prefixed with table aliases.
D. The statement would not execute because the column part of the USING clause cannot have a

qualifier in the SELECT list.

Explicação

Questão 35 de 56

1

Evaluate the following SQL statements in the given order:

DROP TABLE dept;

CREATE TABLE dept

(deptno NUMBER(3) PRIMARY KEY,

deptname VARCHAR2(10));

DROP TABLE dept;

FLASHBACK TABLE dept TO BEFORE DROP;

Which statement is true regarding the above FLASHBACK operation?

Selecione uma ou mais das seguintes:

A. It recovers only the first DEPT table.
B. It recovers only the second DEPT table.
C. It does not recover any of the tables because FLASHBACK is not possible in this case.
D. It recovers both the tables but the names would be changed to the ones assigned in the

RECYCLEBIN.

Explicação

Questão 36 de 56

1

Evaluate the following statements:

CREATE TABLE digits

(id NUMBER(2),

description VARCHAR2(15));

INSERT INTO digits VALUES (1,'ONE');

UPDATE digits SET description ='TWO' WHERE id=1;

INSERT INTO digits VALUES (2,'TWO');

COMMIT;

DELETE FROM digits;

SELECT description FROM digits

VERSIONS BETWEEN TIMESTAMP MINVALUE AND MAXVALUE;

What would be the outcome of the above query?

Selecione uma ou mais das seguintes:

A. It would not display any values.
B. It would display the value TWO once.
C. It would display the value TWO twice.
D. It would display the values ONE, TWO, and TWO.

Explicação

Questão 37 de 56

1

View the Exhibit and examine the description of the ORDERS table.

Evaluate the following SQL statement:

SELECT order_id, customer_id

FROM orders

WHERE order_date > 'June 30 2001';

Which statement is true regarding the execution of this SQL statement?

Selecione uma ou mais das seguintes:

A. It would not execute because 'June 30 2001' in the WHERE condition is not enclosed within

double quotation marks.
B. It would execute and would return ORDER_ID and CUSTOMER_ID for all records having

ORDER_DATE greater than 'June 30 2001'.
C. It would not execute because 'June 30 2001' in the WHERE condition cannot be converted

implicitly and needs the use of the TO_DATE conversion function for proper execution.
D. It would not execute because 'June 30 2001' in the WHERE condition cannot be converted

implicitly and needs the use of the TO_CHAR conversion function for proper execution.

Explicação

Questão 38 de 56

1

Which statements are correct regarding indexes? (Choose all that apply.)

Selecione uma ou mais das seguintes:

A. When a table is dropped, the corresponding indexes are automatically dropped.
B. For each DML operation performed, the corresponding indexes are automatically updated.
C. Indexes should be created on columns that are frequently referenced as part of an expression.
D. A non-deferrable PRIMARY KEY or UNIQUE KEY constraint in a table automatically creates a

unique index.

Explicação

Questão 39 de 56

1

View the Exhibit and examine the description of the PRODUCT_INFORMATION table.

Which SQL statement would retrieve from the table the number of products having LIST_PRICE

as NULL?

Selecione uma ou mais das seguintes:

A. SELECT COUNT(list_price)

FROM product_information

WHERE list_price IS NULL;
B. SELECT COUNT(list_price)

FROM product_information

WHERE list_price = NULL;
C. SELECT COUNT(NVL(list_price, 0))

FROM product_information

WHERE list_price IS NULL;
D. SELECT COUNT(DISTINCT list_price)

FROM product_information

WHERE list_price IS NULL;

Explicação

Questão 40 de 56

1

User OE, the owner of the ORDERS table, issues the following command:

GRANT SELECT ,INSERT

ON orders

TO hr

WITH GRANT OPTION;

The user HR issues the following command:

GRANT SELECT

ON oe.orders

TO scott;

Then, OE issues the following command:

REVOKE ALL

ON orders

FROM hr;

Which statement is correct?

Selecione uma ou mais das seguintes:

A. The user SCOTT loses the privilege to select rows from OE.ORDERS.
B. The user SCOTT retains the privilege to select rows from OE.ORDERS.
C. The REVOKE statement generates an error because OE has to first revoke the SELECT

privilege from SCOTT.
D. The REVOKE statement generates an error because the ALL keyword cannot be used for

privileges that have been granted using WITH GRANT OPTION.

Explicação

Questão 41 de 56

1

View the Exhibit and examine the structure of the EMP table.

You executed the following command to add a primary key to the EMP table:

ALTER TABLE emp

ADD CONSTRAINT emp_id_pk PRIMARY KEY (emp_id)

USING INDEX emp_id_idx;

Which statement is true regarding the effect of the command?

Selecione uma ou mais das seguintes:

A. The PRIMARY KEY is created along with a new index.
B. The PRIMARY KEY is created and it would use an existing unique index.
C. The PRIMARY KEY would be created in a disabled state because it is using an existing index.
D. The statement produces an error because the USING clause is permitted only in the CREATE

TABLE command.

Explicação

Questão 42 de 56

1

SCOTT is a user in the database.

Evaluate the commands issued by the DBA:

1 - CREATE ROLE mgr;

2 - GRANT CREATE TABLE, SELECT

ON oe.orders

TO mgr;

3 - GRANT mgr, create table TO SCOTT;

Which statement is true regarding the execution of the above commands?

Selecione uma ou mais das seguintes:

A. Statement 1 would not execute because the WITH GRANT option is missing.
B. Statement 1 would not execute because the IDENTIFIED BY <password> clause is missing.
C. Statement 3 would not execute because role and system privileges cannot be granted together

in a single GRANT statement.
D. Statement 2 would not execute because system privileges and object privileges cannot be

granted together in a single GRANT command.

Explicação

Questão 43 de 56

1

Which statement best describes the GROUPING function?

Selecione uma ou mais das seguintes:

A. It is used to set the order for the groups to be used for calculating the grand totals and

subtotals.
B. It is used to form various groups to calculate total and subtotals created using ROLLUP and

CUBE operators.
C. It is used to identify if the NULL value in an expression is a stored NULL value or created by

ROLLUP or CUBE.
D. It is used to specify the concatenated group expressions to be used for calculating the grand

totals and subtotals.

Explicação

Questão 44 de 56

1

View the Exhibit and examine the structure of ORD and ORD_ITEMS tables.

In the ORD table, the PRIMARY KEY is ORD_NO and in the ORD_ITEMS tables the composite

PRIMARY KEY is (ORD_NO, ITEM_NO).

Which two CREATE INDEX statements are valid? (Choose two.)

Selecione uma ou mais das seguintes:

A. CREATE INDEX ord_idx

ON ord(ord_no);
B. CREATE INDEX ord_idx

ON ord_items(ord_no);
C. CREATE INDEX ord_idx

ON ord_items(item_no);
D. CREATE INDEX ord_idx

ON ord,ord_items(ord_no, ord_date,qty);

Explicação

Questão 45 de 56

1

View the Exhibit and examine the structure of the CUSTOMERS table.

CUSTOMER_VU is a view based on CUSTOMERS_BR1 table which has the same structure as

CUSTOMERS table. CUSTOMERS needs to be updated to reflect the latest information about

the customers.

What is the error in the following MERGE statement?

MERGE INTO customers c

USING customer_vu cv

ON (c.customer_id = cv.customer_id)
WHEN MATCHED THEN

UPDATE SET

c.customer_id = cv.customer_id,

c.cust_name = cv.cust_name,

c.cust_email = cv.cust_email,

c.income_level = cv.income_level

WHEN NOT MATCHED THEN

INSERT VALUES(cv.customer_id,cv.cust_name,cv.cust_email,cv,income_level)

WHERE cv.income_level >100000;

Selecione uma ou mais das seguintes:

A. The CUSTOMER_ID column cannot be updated.
B. The INTO clause is misplaced in the command.
C. The WHERE clause cannot be used with INSERT.
D. CUSTOMER_VU cannot be used as a data source.

Explicação

Questão 46 de 56

1

Which two statements are true regarding operators used with subqueries? (Choose two.)

Selecione uma ou mais das seguintes:

A. The NOT IN operator is equivalent to IS NULL.
B. The <ANY operator means less than the maximum.
C. =ANY and =ALL operators have the same functionality.
D. The IN operator cannot be used in single-row subqueries.
E. The NOT operator can be used with IN, ANY and ALL operators.

Explicação

Questão 47 de 56

1

Given below are the SQL statements executed in a user session:

CREATE TABLE product

(pcode NUMBER(2),

pname VARCHAR2(10));

INSERT INTO product VALUES(1, 'pen');

INSERT INTO product VALUES (2,'pencil');

SAVEPOINT a;

UPDATE product SET pcode = 10 WHERE pcode = 1;

SAVEPOINT b;

DELETE FROM product WHERE pcode = 2;

COMMIT;

DELETE FROM product WHERE pcode=10;

ROLLBACK TO SAVEPOINT a;

Which statement describes the consequences?

Selecione uma ou mais das seguintes:

A. No SQL statement would be rolled back.
B. Both the DELETE statements would be rolled back.
C. Only the second DELETE statement would be rolled back.
D. Both the DELETE statements and the UPDATE statement would be rolled back.

Explicação

Questão 48 de 56

1

Evaluate the following CREATE TABLE command:

CREATE TABLE order_item

(order_id NUMBER(3),

item_id NUMBER(2),

qty NUMBER(4),

CONSTRAINT ord_itm_id_pk

PRIMARY KEY (order_id,item_id)

USING INDEX

(CREATE INDEX ord_itm_idx

ON order_item(order_id,item_id)));

Which statement is true regarding the above SQL statement?

Selecione uma ou mais das seguintes:

A. It would execute successfully and only ORD_ITM_IDX index would be created.
B. It would give an error because the USING INDEX clause cannot be used on a composite

primary key.
C. It would execute successfully and two indexes ORD_ITM_IDX and ORD_ITM_ID_PK would be

created.
D. It would give an error because the USING INDEX clause is not permitted in the CREATE

TABLE command.

Explicação

Questão 49 de 56

1

View the Exhibit and examine the description of EMPLOYEES and DEPARTMENTS tables.

You want to display the EMPLOYEE_ID, LAST_NAME, and SALARY for the employees who get

the maximum salary in their respective departments. The following SQL statement was written:

WITH SELECT employee_id, last_name, salary

FROM employees

WHERE (department_id, salary) = ANY (SELECT *

FROM dept_max)

dept_max as ( SELECT d.department_id, max(salary)

FROM departments d JOIN employees j

ON (d.department_id = j.department_id)

GROUP BY d.department_id);

Which statement is true regarding the execution and the output of this statement?

Selecione uma ou mais das seguintes:

A. The statement would execute and give the desired results.
B. The statement would not execute because the = ANY comparison operator is used instead of

=.
C. The statement would not execute because the main query block uses the query name before it

is even created.
D. The statement would not execute because the comma is missing between the main query

block and the query name.

Explicação

Questão 50 de 56

1

View the Exhibit and examine the data in the DEPARTMENTS tables.

Evaluate the following SQL statement:

SELECT department_id "DEPT_ID", department_name , 'b'

FROM departments

WHERE department_id=90

UNION

SELECT department_id, department_name DEPT_NAME, 'a'

FROM departments

WHERE department_id=10

Which two ORDER BY clauses can be used to sort the output of the above statement? (Choose

two.)

Selecione uma ou mais das seguintes:

A. ORDER BY 3;
B. ORDER BY 'b';
C. ORDER BY DEPT_ID;
D. ORDER BY DEPT_NAME;

Explicação

Questão 51 de 56

1

View the Exhibit and examine the description of the EMPLOYEES table.

You want to know the EMPLOYEE_ID and FIRST_NAME of all the records in the EMPLOYEES

table wherein the JOB_ID column has ST_CLERK or ST_MAN values, the DEPARTMENT_ID

column has value 30, and the SALARY column has a value greater than 3,000.

Which SQL statement would get you the desired result?

Selecione uma ou mais das seguintes:

A. SELECT employee_id, first_name

FROM employees

WHERE job_id like 'MAN%' OR job_id like 'CLERK%'

AND department_id = 30 AND salary > 3000;
B. SELECT employee_id, first_name

FROM employees

WHERE job_id like '%MAN' OR job_id like '%CLERK'

AND (department_id = 30 OR salary > 3000);
C. SELECT employee_id, first_name

FROM employees

WHERE (job_id like '%MAN' AND job_id like '%CLERK')

AND department_id = 30 OR salary > 3000;
D. SELECT employee_id, first_name

FROM employees

WHERE (job_id like '%MAN' OR job_id like '%CLERK' )

AND department_id = 30 AND salary > 3000;

Explicação

Questão 52 de 56

1

View the Exhibit and examine the structure of the ORDERS table.
The ORDERS table belongs to the user OE. HR is another user in the database.

Evaluate the commands issued by users OE and HR in the following order:

Statement 1 by user OE: GRANT SELECT,

UPDATE(customer_id, order_total)

ON orders

TO hr;

Statement 1 by user HR: SELECT * FROM oe.orders;

Statement 2 by user HR: UPDATE oe.orders

SET order_total= 10000;

Which statement is true regarding the above commands?

Selecione uma ou mais das seguintes:

A. Statement 1 by user OE would not work because the statement has to be issued by the DBA.
B. Statement 2 by user HR would not work because the grant is only for SELECT in a subquery

of update.
C. There are no errors in the statements issued by OE and HR; all the statements would execute

successfully.
D. Statement 1 by user HR would not work because SELECT and UPDATE privileges have been

granted only on CUSTOMER_ID and ORDER_TOTAL columns.

Explicação

Questão 53 de 56

1

View the Exhibit and examine the structure of the ORDER_ITEMS table.
You need to display the ORDER_ID of the order that has the highest total value among all the

orders in the ORDER_ITEMS table.

Which query would produce the desired output?

Selecione uma ou mais das seguintes:

A. SELECT order_id

FROM order_items
WHERE(unit_price*quantity) = MAX(unit_price*quantity)

GROUP BY order_id;
B. SELECT order_id

FROM order_items

WHERE(unit_price*quantity) = (SELECT MAX(unit_price*quantity)

FROM order_items)

GROUP BY order_id;
C. SELECT order_id

FROM order_items

WHERE (unit_price*quantity) = (SELECT MAX(unit_price*quantity)

FROM order_items

GROUP BY order_id);
D. SELECT order_id

FROM order_items

GROUP BY order_id

HAVING SUM(unit_price*quantity) =(SELECT MAX(SUM(unit_price*quantity))

FROM order_items GROUP BY order_id);

Explicação

Questão 54 de 56

1

Which two statements are true about sequences created in a single instance database? (Choose

two.)

Selecione uma ou mais das seguintes:

A. The numbers generated by a sequence can be used only for one table.
B. DELETE <sequencename> would remove a sequence from the database.
C. CURRVAL is used to refer to the last sequence number that has been generated.
D. When the MAXVALUE limit for a sequence is reached, you can increase the MAXVALUE limit

by using the ALTER SEQUENCE statement.
E. When a database instance shuts down abnormally, the sequence numbers that have been

cached but not used would be available once again when the database instance is restarted.

Explicação

Questão 55 de 56

1

View the Exhibit and examine the structure of the EMPLOYEES and DEPARTMENTS tables.

Which SET operator would you use in the blank space in the following SQL statement to list the

departments where all the employees have managers?
SELECT department_id

FROM departments

____

SELECT department_id

FROM employees

WHERE manager_id IS NULL;

Selecione uma ou mais das seguintes:

A. UNION
B. MINUS
C. INTERSECT
D. UNION ALL

Explicação

Questão 56 de 56

1

Which mandatory clause has to be added to the following statement to successfully create an

external table called EMPDET?

CREATE TABLE empdet

(empno CHAR(2), ename CHAR(5), deptno NUMBER(4))

ORGANIZATION EXTERNAL

(LOCATION ('emp.dat'));

Selecione uma ou mais das seguintes:

A. TYPE
B. REJECT LIMIT
C. DEFAULT DIRECTORY
D. ACCESS PARAMETERS

	Criado por anillvap quase 11 anos atrás

Quiz sobre 1Z0-047_2.pdf - Part I , criado por anillvap em 27-01-2014.

1Z0-047_2.pdf - Part I

1Z0-047_2.pdf - Part I

Questão 1 de 56

Selecione uma ou mais das seguintes:

Explicação

Questão 2 de 56

View the Exhibit and examine the description of the CUSTOMERS table. You want to add a constraint on the CUST_FIRST_NAME column of the CUSTOMERS table so that the value inserted in the column does not have numbers. Which SQL statement would you use to accomplish the task?

Selecione uma ou mais das seguintes:

Explicação

Questão 3 de 56

Which three tasks can be performed using regular expression support in Oracle Database 10g? (Choose three.)

Selecione uma ou mais das seguintes:

Explicação

Questão 4 de 56

View the Exhibit and examine the structure of the EMP table which is not partitioned and not an index-organized table. Evaluate the following SQL statement: ALTER TABLE emp DROP COLUMN first_name; Which two statements is true regarding the above command? (Choose two.)

Selecione uma ou mais das seguintes:

Explicação

Questão 5 de 56

Evaluate the CREATE TABLE statement: CREATE TABLE products (product_id NUMBER(6) CONSTRAINT prod_id_pk PRIMARY KEY, product_name VARCHAR2(15)); Which statement is true regarding the PROD_ID_PK constraint?

Selecione uma ou mais das seguintes:

Explicação

Questão 6 de 56

Which two statements are true? (Choose two.)

Selecione uma ou mais das seguintes:

Explicação

Questão 7 de 56

View the Exhibit and examine the description of the ORDERS table. Which two WHERE clause conditions demonstrate the correct usage of conversion functions? (Choose two.)

Selecione uma ou mais das seguintes:

Explicação

Questão 8 de 56

Selecione uma ou mais das seguintes:

Explicação

Questão 9 de 56

Selecione uma ou mais das seguintes:

Explicação

Questão 10 de 56

Selecione uma ou mais das seguintes:

Explicação

Questão 11 de 56

Selecione uma ou mais das seguintes:

Explicação

Questão 12 de 56

View the Exhibit and examine the structure of the EMPLOYEES table. You want to retrieve hierarchical data of the employees using the top-down hierarchy. Which SQL clause would let you choose the direction to walk through the hierarchy tree?

Selecione uma ou mais das seguintes:

Explicação

Questão 13 de 56

Which two statements is true regarding the execution of the correlated subqueries? (Choose two.)

Selecione uma ou mais das seguintes:

Explicação

Questão 14 de 56

Selecione uma ou mais das seguintes:

Explicação

Questão 15 de 56

Evaluate the following SQL statement: ALTER TABLE hr.emp SET UNUSED (mgr_id); Which statement is true regarding the effect of the above SQL statement?

Selecione uma ou mais das seguintes:

Explicação

Questão 16 de 56

EMPDET is an external table containing the columns EMPNO and ENAME. Which command would work in relation to the EMPDET table?

Selecione uma ou mais das seguintes:

Explicação

Questão 17 de 56

View the Exhibit and examine the structure of the MARKS_DETAILS and MARKStables. Which is the best method to load data from the MARKS_DETAILStable to the MARKStable?

Selecione uma ou mais das seguintes:

Explicação

Questão 18 de 56

View the Exhibit and examine the data in ORDERS and ORDER_ITEMS tables. You need to create a view that displays the ORDER ID, ORDER_DATE, and the total number of items in each order. Which CREATE VIEW statement would create the view successfully?

Selecione uma ou mais das seguintes:

Explicação

Questão 19 de 56

Selecione uma ou mais das seguintes:

Explicação

Questão 20 de 56

In which scenario would you use the ROLLUP operator for expression or columns within a GROUP BY clause?

Selecione uma ou mais das seguintes:

Explicação

Questão 21 de 56

Selecione uma ou mais das seguintes:

Explicação

Questão 22 de 56

View the Exhibit and examine the description of the CUSTOMERS table.

You want to add a constraint on the CUST_FIRST_NAME column of the CUSTOMERS table so

that the value inserted in the column does not have numbers.

Which SQL statement would you use to accomplish the task?

Which three tasks can be performed using regular expression support in Oracle Database 10g?

(Choose three.)

View the Exhibit and examine the structure of the EMP table which is not partitioned and not an

index-organized table.
Evaluate the following SQL statement:

ALTER TABLE emp

DROP COLUMN first_name;

Which two statements is true regarding the above command? (Choose two.)

Evaluate the CREATE TABLE statement:

CREATE TABLE products

(product_id NUMBER(6) CONSTRAINT prod_id_pk PRIMARY KEY,

product_name VARCHAR2(15));

Which statement is true regarding the PROD_ID_PK constraint?

View the Exhibit and examine the description of the ORDERS table.
Which two WHERE clause conditions demonstrate the correct usage of conversion functions?

(Choose two.)

View the Exhibit and examine the structure of the EMPLOYEES table.
You want to retrieve hierarchical data of the employees using the top-down hierarchy. Which SQL

clause would let you choose the direction to walk through the hierarchy tree?

Which two statements is true regarding the execution of the correlated subqueries? (Choose

two.)

Evaluate the following SQL statement:

ALTER TABLE hr.emp

SET UNUSED (mgr_id);

Which statement is true regarding the effect of the above SQL statement?

EMPDET is an external table containing the columns EMPNO and ENAME.

Which command would work in relation to the EMPDET table?

View the Exhibit and examine the structure of the MARKS_DETAILS and MARKStables.
Which is the best method to load data from the MARKS_DETAILStable to the MARKStable?

View the Exhibit and examine the data in ORDERS and ORDER_ITEMS tables.
You need to create a view that displays the ORDER ID, ORDER_DATE, and the total number of

items in each order.

Which CREATE VIEW statement would create the view successfully?

In which scenario would you use the ROLLUP operator for expression or columns within a

GROUP BY clause?

Which two statements are true regarding the EXISTS operator used in the correlated subqueries?

(Choose two.)

Which statements are true regarding the hierarchical query in Oracle Database 10g? (Choose all

that apply.)

View the Exhibit and examine the structure of the ORDERS and ORDER_ITEMS tables.

Evaluate the following SQL statement:

SELECT oi.order_id, product_id, order_date

FROM order_items oi JOIN orders o

USING(order_id);

Which statement is true regarding the execution of this SQL statement?

Evaluate the following SQL statements in the given order:

DROP TABLE dept;

CREATE TABLE dept

(deptno NUMBER(3) PRIMARY KEY,

deptname VARCHAR2(10));

DROP TABLE dept;

FLASHBACK TABLE dept TO BEFORE DROP;

Which statement is true regarding the above FLASHBACK operation?

View the Exhibit and examine the description of the ORDERS table.

Evaluate the following SQL statement:

SELECT order_id, customer_id

FROM orders

WHERE order_date > 'June 30 2001';

Which statement is true regarding the execution of this SQL statement?