SQL Server MTA 98-364

Pregunta 1

Pregunta

The terms "bitmap," "b-tree," and "hash" refer to which type of database structure?

Respuesta

View
Functon
Index
Stored procedure
Trigger

Pregunta 2

Pregunta

One reason to add an index is to:

Respuesta

Decrease storage space
Increase database security.
Improve performance of select statements.
Improve performance of insert statements.

Pregunta 3

Pregunta

You have a table that contains the following data. You break the table into the following two tables. This process is referred to as:

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Respuesta

defragmentaton
normalizaton
fragmentaton
denormalizaton

Pregunta 4

Pregunta

You have a table that contains the following data. Which database term is used to describe the relatonship between ProductID and ProductCategory?

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Respuesta

Cohort
Relatonally dependent
Deterministc
Functonally dependent
Compositonal

Pregunta 5

Pregunta

Which key uniquely identies a row in a table?

Respuesta

foreiqn
primary
local
superkey

Pregunta 6

Pregunta

Which statement creates a composite key?

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Respuesta

Opton A
Opton B
Opton C
Opton D

Pregunta 7

Pregunta

At 3:00 P.M. (1500 hours), you create a backup of your database. At 4:00 P.M. (1600 hours), you create a table named Customer and import data into the table. At 5:00 P.M. (1700 hours), your server fails. You run a script to apply only the 3:00 P.M. backup to your database. What is the result of the script?

Respuesta

The Customer table no longer exists.
The Customer table is unafected.
The Customer table exists but has no data.
The script fails.

Pregunta 8

Pregunta

In which situaton do you need to perform a restore on a database?

Respuesta

when data becomes corrupted in the database
when you need to roll back a transacton
when you encounter an error in your applicaton
when data needs to be deleted from the database

Pregunta 9

Pregunta

Which command should you use to give a user permission to read the data in a table?

Respuesta

ALLOW SELECT
LET READ
PERMIT READ
GRANT SELECT

Pregunta 10

Pregunta

You need to enable a new employee to authentcate to your database. Which command should you use?

Respuesta

ALLOW USER
CREATE USER
ADD USER
INSERT USER
ALTER USER

Pregunta 11

Pregunta

Which keyword can be used in a create table statement?

Respuesta

ORDER BY
DISTINCT
GROUP BY
UNIQUE

Pregunta 12

Pregunta

You need to store product quanttes, and you want to minimize the amount of storage space that is used. Which data type should you use?

Respuesta

INTEGER
DOUBLE
COUNT
FLOAT

Pregunta 13

Pregunta

Which statement will result in the creaton of an index?

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Respuesta

Option A
Option B
Option C
Option D

Pregunta 14

Pregunta

You have the following table deiniton: CREATE TABLE Road (RoadID INTEGER NOT NULL, Distance INTEGER NOT NULL) The Road table contains the following data: You execute the following statement: INSERT INTO Road VALUES (1234, 36) What is the result?

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Respuesta

an error statng that NULL values are not allowed
a new row in the table
an error statng that duplicate IDs are not allowed
a syntax error

Pregunta 15

Pregunta

You need to store product names that vary from three to 30 characters. You also need to minimize the amount of storage space that is used. Which data type should you use?

Respuesta

VARCHAR (3, 30)
CHAR (3, 30)
VARCHAR (30)
CHAR (30)

Pregunta 16

Pregunta

One reason to create a stored procedure is to:

Respuesta

Improve performance.
Minimize storage space.
Bypass case sensitvity requirements.
Give the user control of the query logic.

Pregunta 17

Pregunta

Which permission does a user need in order to run a stored procedure?

Respuesta

EXECUTE
ALLOW
CALL
RUN

Pregunta 18

Pregunta

You have a table named Product. You create a view that includes all the products from the Product table that are in the Furniture category. You execute a statement on the Product table that deletes all the products in the Furniture category. Afer you execute the statement, the result set of the view is:

Respuesta

Empty
Deleted
Unchanged
Archived

Pregunta 19

Pregunta

In SQL, an insert statement is used to add a:

Respuesta

User to a database.
Row of data to a table.
Table to a database.
Column to a table deiniton.

Pregunta 20

Pregunta

You have two tables. Each table has three rows. How many rows will be included in the Cartesian product of these two tables?

Respuesta

Pregunta 21

Pregunta

You are writng an SQL statement to retrieve rows from a table. Which data manipulaton language (DML) command should you use?

Respuesta

READ
SELECT
OUTPUT
GET

Pregunta 22

Pregunta

Which constraint ensures a unique value in the ID column for each customer?

Respuesta

DISTINCT
FOREIGN KEY
SEQUENTIAL
PRIMARY KEY

Pregunta 23

Pregunta

The component that holds informaton for a single entry in a table is called a:

Respuesta

Data type
Row
Column
View

Pregunta 24

Pregunta

You execute the following statement: SELECT EmployeeID, FirstName, DepartmentName FROM Employee, Department This type of operaton is called a/an:

Respuesta

Intersection
Outer join
Equi-join
Cartesian product

Pregunta 25

Pregunta

Which command should you use to add a column to an existng table?

Respuesta

MODIFY
ALTER
UPDATE
INSERT
CHANGE

Pregunta 26

Pregunta

You have the following table deiniton: CREATE TABLE Product (ID INTEGER PRIMARY KEY, Name VARCHAR(20), Quantty INTEGER) The Product table contains the following data. You execute the following statement: SELECT Name FROM Product WHERE Quantty IS NOT NULL How many rows are returned?

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Respuesta

Pregunta 27

Pregunta

You are writng a select statement to ind every product whose name contains a speciic character. Which keyword should you use in your where clause?

Respuesta

FIND
BETWEEN
INCLUDES
LIKE

Pregunta 28

Pregunta

A database contains two tables named Customer and Order. You execute the following statement: DELETE FROM Order WHERE CustomerID = 209 What is the result?

Respuesta

The irst order for CustomerID 209 is deleted from the Order table.
All orders for CustomerID 209 are deleted from the Order table, and CustomerID 209 is deleted from the Customer table.
All orders for CustomerID 209 are deleted from the Order table.
CustomerID 209 is deleted from the Customer table.

Pregunta 29

Pregunta

You have a table named Product. The Product table has columns for ProductDescripton and ProductCategory. You need to change the ProductCategory value for all the spoons in the Product table to 43. Which statement should you use?

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Respuesta

Opton A
Opton B
Opton C
Opton D

Pregunta 30

Pregunta

You have a table that contains informaton about all students in your school. Which SQL keyword should you use to change a student's irst name in the table?

Respuesta

UPDATE
CHANGE
SELECT
INSERT

Pregunta 31

Pregunta

You need to populate a table named EmployeeCopy with data from an existng table named Employee. Which statement should you use?

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Respuesta

Option A
Option B
Option C
Option D

Pregunta 32

Pregunta

You execute the following statement:

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Respuesta

Subquery
Union
Outer join
Cartesian product

Pregunta 33

Pregunta

Which keyword would you use in a select statement to return rows that meet a speciic conditon?

Respuesta

WHERE
UNION
ORDER BY
FROM

Pregunta 34

Pregunta

You have a table named Employee that includes the following columns: EmployeeID Smp1oyeeName Which statement should you use to return the number of rows in the table?

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Respuesta

Option A
Option B
Option C
Option D

Pregunta 35

Pregunta

The Product table contains the following data. You execute the following statement: SELECT COUNT(*) FROM Product WHERE Quantty > 18 What is the value returned by this statement?

Respuesta

Pregunta 36

Pregunta

Which command should you use to remove a table from a database?

Respuesta

REMOVE TABLE
UPDATE TABLE
DROP TABLE
DELETE TABLE

Pregunta 37

Pregunta

You need to store the contact informaton for each student in your school database. You should store each student's informaton in a:

Respuesta

Stored procedure
Function
Row
Variable

Pregunta 38

Pregunta

Which category of SQL statements is used to add, remove, and modify database structures?

Respuesta

Data access language (DAL)
Data manipulation language (DML)
Data control language (DCL)
Data definiton language (DDL)

Pregunta 39

Pregunta

You have a Customer table and an Order table. You join the Customer table with the Order table by using the CusromerID column. The results include: • All customers and their orders • Customers who have no orders Which type of join do these results represent?

Respuesta

Complete join
Partial join
Inner join
Outer join

Pregunta 40

Pregunta

Data in a database is stored in:

Respuesta

Tables
Queries
Data types
Stored procedures

Pregunta 41

Pregunta

You have a table named Student that contains 100 rows. Some of the rows have a NULL value in the FirstName column. You execute the following statement: DELETE FROM Student What is the result?

Respuesta

All rows in the table will be deleted.
All rows containing a NULL value in the FirstName column will be deleted.
You will receive an error message.
All rows and the table deiniton will be deleted.

Pregunta 42

Pregunta

You need to establish a set of permissions that you can routnely assign to new users. What should you create?

Respuesta

Resource
Group
List
Role

Pregunta 43

Pregunta

Which database term is used to describe the process of applying a backup to a damaged or corrupt database?

Respuesta

Recover
Restore
Commit
Atach

Pregunta 44

Pregunta

You need to disable User1's access to view the data in the Customer table. Which statement should you use?

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Respuesta

Option A
Option B
Option C
Option D

Pregunta 45

Pregunta

Denormalizaton is performed in order to:

Respuesta

Reduce redundancy.
Eliminate repeatng groups.
Create smaller tables.
Improve query performance.

Pregunta 46

Pregunta

You have a table named Product that contains one million rows. You need to search for product informaton in the Product table by using the product's unique ID. What will make this type of search more efcient?

Respuesta

A cursor
A subquery
A trigger
An index

Pregunta 47

Pregunta

You have a table named Product that contains the following data. The PrcducrID column is the primary key. The CategoryID column is a foreign key to a separate table named Category. You execute the following statement: INSERT INTO Product VALUES (3296, 'Table', 4444) What is the result?

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Respuesta

a foreign key constraint violation
a syntax error
a new row in the Product table
a primary key constraint violation
a new row in the Category table

Pregunta 48

Pregunta

Which two keys establish a relatonship between two tables? (Choose two.)

Respuesta

candidate
foreign
superkey
local
primary

Pregunta 49

Pregunta

One diference between a functon and a stored procedure is that a functon:

Respuesta

Must be called from a trigger.
Must return a value.
Cannot contain a transaction.
Cannot accept parameters.

Pregunta 50

Pregunta

Which keyword must be included in a create view statement?

Respuesta

WHERE
ORDER BY
UPDATE
SELECT

Pregunta 51

Pregunta

You have a table named Customer. You need to add a new column named District. Which statement should you use?

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Respuesta

Option A
Option B
Option C
Option D

Pregunta 52

Pregunta

You need to remove a view named EmployeeView from your database. Which statement should you use?

Respuesta

DELETE VIEW EmployeeView
DELETE EmployeeView
DROP EmployeeView
DROP VIEW EmployeeView

Pregunta 53

Pregunta

A named group of SQL statements that can be executed in a database is called a:

Respuesta

Subroutine
Formula
Stored procedure
Method

Pregunta 54

Pregunta

A view can be used to:

Respuesta

Save an extra copy of data stored in a separate table.
Limit access to speciic rows or columns of data in a table.
Ensure referental integrity.
Save historical data before deleting it from the base table.

Pregunta 55

Pregunta

On which database structure does an update statement operate?

Respuesta

Table
User
Trigger
Role

Pregunta 56

Pregunta

You need to list the name and price of each product, sorted by price from highest to lowest. Which statement should you use?

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Respuesta

Option A
Option B
Option C
Option D

Pregunta 57

Pregunta

You delete rows in a table named Order. The corresponding rows in the OrderItem table are automatcally deleted. This process is an example of a/an:

Respuesta

Inherited delete
Cascade delete
Functional delete
Waterfall delete
Domino delete

Pregunta 58

Pregunta

Which statement deletes the rows where the employee's phone number is not entered

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Respuesta

Option A
Option B
Option C
Option D

Pregunta 59

Pregunta

You need to insert two new products into the Product table. The irst product is named Book and has an ID of 125. The second product is named Movie and has an ID of 126. Which statement should you use?

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Respuesta

OptIon A
OptIon B
OptIon C
OptIon D

Pregunta 60

Pregunta

You have a table named Employee that includes four columns. You execute the following statement: SELECT * FROM Employee Which columns are returned?

Respuesta

all columns
only the last column
only the First column
only the First and last columns

Pregunta 61

Pregunta

Which two elements are required to deine a column? (Choose two.)

Respuesta

A name
A key
An index
A data type

Pregunta 62

Pregunta

What deines the amount of storage space that is allocated to a value in a column?

Respuesta

format
key
data type
validator

Pregunta 63

Pregunta

You are creatng a table to store customer dat a. The AccountNumber column uses values that always consist of one leter and four digits. Which data type should you use for the AccountNumber column?

Respuesta

CHAR
BYTE
DOUBLE
SMALLINT

Pregunta 64

Pregunta

What is one diference between an update statement and a delete statement?

Respuesta

An update statement can change only one row.
A delete statement cannot use a where clause.
An update statement does not remove rows from a table.
A delete statement works only within a stored procedure.

Pregunta 65

Pregunta

You have a Department table and an Employee table in your database. You need to ensure that an employee can be assigned to only an existng department. What should you apply to the Employee table?

Respuesta

A primary key
An index
A foreign key
A unique constraint
A data type

Pregunta 66

Pregunta

You need to store the irst name, last name, and student ID for 100 students. This informaton will be stored in a table as:

Respuesta

100 items and three cells.
100 rows and three columns.
three rows and 100 columns.
three items and 100 cells.

Pregunta 67

Pregunta

What are three valid data manipulaton language (DML) commands? (Choose three.)

Respuesta

INSERT
COMMIT
DELETE
OUTPUT
UPDATE

Pregunta 68

Pregunta

You assign User1 a set of permissions that include the WITH GRANT OPTION. The WITH GRANT OPTION enables User1 to:

Respuesta

request a log of permission use.
delegate permissions to other users.
create new database users.
view other users' permissions.

Pregunta 69

Pregunta

Which type of index changes the order in which the data is stored in a table?

Respuesta

non-sequental
sequental
non-clustered
clustered

Pregunta 70

Pregunta

Which statement should you use to remove a foreign key?

Respuesta

ALTER TABLE
DELETE TABLE
DELETE FOREIGN KEY
ALTER FOREIGN KEY

Pregunta 71

Pregunta

First normal form requires that a database excludes:

Respuesta

Foreign keys
Composite keys
Duplicate rows
Repeatng groups

Pregunta 72

Pregunta

You execute a statement inside a transacton to delete 100 rows from a table. The transacton fails afer only 40 rows are deleted. What is the result in the database?

Respuesta

The table will be corrupted.
Forty (40) rows will be deleted from the table.
The transacton will restart.
No rows will be deleted from the table.

Pregunta 73

Pregunta

You have a table that contains product IDs and product names. You need to write an UPDATE statement to change the name of a speciic product to glass. What should you include in the update statement?

Respuesta

SET ProduetName = 'glass'
LET ProduetName = 'glass'
EXEC ProduetName = 'glass'
ASSIGN ProduetName = 'glass'

Pregunta 74

Pregunta

Your database contains a table named Customer. You need to delete the record from the Customer table that has a CusromerID of 12345. Which statement should you use?

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Respuesta

OptIon A
OptIon B
OptIon C
OptIon D

Pregunta 75

Pregunta

On which database structure does an insert statement operate?

Respuesta

Role
Trigger
User
Stored procedure
Table

Pregunta 76

Pregunta

You have a table of products with ields for ProductID, Name, and Price. You need to write an UPDATE statement that sets the value in the InStock ield to Yes for a speciic ProductID. Which clause should you use in your update statement?

Respuesta

THAT
WHERE
GROUP BY
HAVING

Pregunta 77

Pregunta

You have the following table deiniton: CREATE TABLE Product (ProductID INTEGER, Name VARCHAR(20)) You need to insert a new product. The product's name is Plate and the product's ID is 12345. Which statement should you use?

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Respuesta

Option A
Option B
Option C
Option D

Pregunta 78

Pregunta

HOTSPOT Instructons: For each of the following statements, select Yes if the statement is true. Otherwise, select No. Each correct selecton is worth one point. A full database backup is a copy of all of the data in the entire database [blank_start]R[blank_end] A transaction log backup baciks up all the data in the database [blank_start]R[blank_end] A differential backup copies only data that was changed before tje last full backup [blank_start]R[blank_end] A file or filegroup restore specifies a portion of the database to recover [blank_start]R[blank_end]

Respuesta

Verdadero
Falso
Verdadero
Falso
Verdadero
Falso
Verdadero
Falso

Pregunta 79

Pregunta

HOTSPOT The following graphic shows the components of a SQL Server applicaton. You access the SQL Server applicaton through Internet Explorer. The [[blank_start]Answer Choice[blank_end]] computer is the first line of defense againts SQL injections and weak input validation. The [[blank_start]Answer Choice[blank_end]] computer should be formatted with NTFS to protec program, database, and log files from unauthorized access.

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79 (image/png)

Respuesta

client
www.contoso.com
s01.contoso.com
client
www.contoso.com
s01.contoso.com

Pregunta 80

Pregunta

You have the database table named Cars as deined below:

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Respuesta

Pregunta 81

Pregunta

You have a database table named SongInformaton as deined below: You need to create a Structured Query Language (SQL) query to retrieve only the names of songs that sold more than 1000 compact discs (CDs). Which query should you use?

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81 (image/png)

Respuesta

Pregunta 82

Pregunta

You accept an IT internship at a local charity. The charity asks you to keep a record of its volunteers by using a database table named Volunteer. The table has the following columns and rows:

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Respuesta

Pregunta 83

Pregunta

This queston requires that you evaluate the underlined text to determine if it is correct. ALTER TABLE removes all rows from a table without logging the individual row deletons. Instructons: Review the underlined text. If it makes the statement correct, select "No change is needed." If the statement is incorrect, select the answer choice that makes the statement correct.

Respuesta

No change is needed
DROP TABLE
TRUNCATE TABLE
CREATE TABLE

Pregunta 84

Pregunta

You need to combine the results of two queries into a single result that contains all of the rows from both queries. Which Structured Query Language (SQL) statement should you use?

Respuesta

TRUNCATE
JOIN
EXCEPT
UNION

Pregunta 85

Pregunta

This queston requires that you evaluate the underlined text to determine if it is correct. [blank_start]The CREATE TABLE[blank_end] command removes one or more table deinitons and all data, indexes, triggers, constraints, and permission speciicatons for those tables. Instructons: Review the underlined text. If it makes the statement correct, select "No change is needed." If the statement is incorrect, select the answer choice that makes the statement correct

Respuesta

No change is needed
DROP TABLE
TRUNCATE TABLE
ALTER TABLE

Pregunta 86

Pregunta

You accept an IT internship at a local charity. The charity wants you to help them with compliance and auditing requirements. You need to ensure that a column or combination of columns uniquely identifies each row of a table. Which constraint should you define?

Respuesta

Primary key
Secondary key
Foreign key
Default Key

Pregunta 87

Pregunta

HOTSPOT You have the following table: Adding a [answer choice] on the FlightNumber column physically sorts rows in the by FlightNumber

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Respuesta

foreing key
clustered index
noclustered index

Pregunta 88

Pregunta

HOTSPOT You have the following table: Adding a [answer choice] on the Airline column retrieves data faster, but will not physically sort rows in the table by Airline

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Respuesta

foreing key
clustered index
noclustered index

Pregunta 89

Pregunta

While atending college, you accept an IT internship at a local charity. The charity needs to report on data that is related and exists in two tables. You need to establish a relationship between the data that is in the two tables. Which constraint should you define?

Respuesta

Foreing Key
Index Key
Link Key
Default Key

Pregunta 90

Pregunta

This question requires that you evaluate the underlined text to determine if it is correct. A view [can be used to ensure referental integrity]. Instructons: Review the underlined text. If it makes the statement correct, select "No change is needed." If the statement is incorrect, select the answer choice that makes the statement correct.

Respuesta

No change is needed.
Save an extra copy of data stored in a separate table.
Limit access to specific rows or columns of data in a table.
Save historical data before deleting it from the base table.

Pregunta 91

Pregunta

DRAG DROP You need to set up a database to provide a view of North American mammals. Match the Structured Query Language (SQL) statements to the SQL query. Instructions: To answer, drag the appropriate SQL statement from the column on the lef to its place in the SQL query on the right Each SQL statement may be used once, more than once, or not at all. Each correct match is worth one point.

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Respuesta

CREATE VIEW dbo.NorthAmericanMammal_View
GENERATE VIEW dbo.NorthAmericanMammal_Vi
AS JOIN a.Id , a.Name
AS SELECT a.Id, a.Name
FROM Animal a
JOIN Animal a

Pregunta 92

Pregunta

DRAG DROP You have a database table that stores information about school atendance. You have a data set that is defined as follows: You have the following requirements: StudentName must consist of a string of characters. GradeLevel must be only a whole number. DaysAbsent can have one number after the decimal. Match the data types to the column names.

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Respuesta

VARCHAR
CHAR
INT
BIT
DECIMAL
DATETIME

Pregunta 93

Pregunta

The VARCHAR data type contains only numeric characters.

Respuesta

True
False

Pregunta 94

Pregunta

The NUMERIC data type contains only numbers that have decimal places.

Respuesta

True
False

Pregunta 95

Pregunta

The INT data type contains only whole numbers.

Respuesta

True
False

Pregunta 96

Pregunta

This question requires that you evaluate the underlined text to determine if it is correct. In a database table, each [column] represents a unique record. Instructons: Review the underlined text. If it makes the statement correct, select "No change is needed." If the statement is incorrect, select the answer choice that makes the statement correct.

Respuesta

No change is needed
Table
Index
Row

Pregunta 97

Pregunta

This question requires that you evaluate the underlined text to determine if it is correct. You have two tables. Each table has three rows. [Nine] rows will be included in the Cartesian product of these two tables. Instructons: Review the underlined text. If it makes the statement correct, select "No change is needed." If the statement is incorrect, select the answer choice that makes the statement corrector.

Respuesta

No change is needed
Zero
Three
Six

Pregunta 98

Pregunta

You have two tables named Salesperson and Sales. You need to ensure that each record in the Sales table has a valid associated salesperson record in the Salesperson table. Which database object should you add to the Sales table?

Respuesta

Nonclustered index
Primary key
Foreign key
Clustered index

Pregunta 99

Pregunta

DRAG DROP Your class project requires that you help a charity set up a website. The website collects informaton about volunteers. Each volunteer record must be uniquely identied. The following informaton is stored for each volunteer: Given name Surname Date of birth Phone number Photo You need to create a table to meet the requirements. Match the Structured Query Language SQL statements to the SQL query. Instructons: To answer, drag the appropriate SQL statement from the column on the lef to its place in the SQL query on the right. Each SQL statement may be used once, more than once, or not at all. Each correct match is worth one point.

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Respuesta

INT NOT NULL PRIMARY KEY
INT NOT NULL FOREING KEY
DATE NULL
TIMESTAMP NULL
IMAGE NULL
XML NULL

Pregunta 100

Pregunta

This queston requires that you evaluate the underlined text to determine if it is correct. Use the [ALTER] statement to add a new table in a database. Instructons: Review the underlined text. If it makes the statement correct, select "No change is needed." If the statement is incorrect, select the answer choice that makes the statement correct.

Respuesta

No change is needed
UPDATE
INSERT
CREATE

Pregunta 101

Pregunta

You need to rename a column in a database table. Which data deiniton language (DDL) statement should you use?

Respuesta

ALTER
INSERT
CREATE
UPDATE

Pregunta 102

Pregunta

DRAG DROP You have two database tables as deined below. The First table contains informaton about students. The second table contains informaton about courses. The two tables are related by CourseID. Match the CourseName to the StudentName. Instructons: To answer, drag the appropriate CourseName from the column on the lef to its StudentName on the right. Each CourseName may be used once, more than once, or not at all. Each correct match is worth one point.

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Respuesta

MATH
MATH
SCIENCE
MATH
SCIENCE
SCIENCE
GEOGRAPHY
READING
HISTORY
GEOGRAPHY
READING
HISTORY
GEOGRAPHY
READING
HISTORY

Pregunta 103

Pregunta

This question requires that you evaluate the underlined text to determine if it is correct. Use [indexing] to create, remove, or change database objects. Instructons: Review the underlined text. If it makes the statement correct, select "No change is needed." If the statement is incorrect, select the answer choice that makes the statement correct.

Respuesta

No change is needed.
Data manipulaton language (DML) statements
Data deiniton language (DDL) statements
A unique constraint

Pregunta 104

Pregunta

You need to add rows to a database table. Which Structured Query Language (SQL) keyword should you use?

Respuesta

JOIN
INSERT
CREATE
UPDATE

Pregunta 105

Pregunta

You need to retrieve data from two related database tables based on a column that exists in both tables. Which command should you use in a query?

Respuesta

INTERSECT
UNION
JOIN
TRUNCATE

Pregunta 106

Pregunta

You have a database table that contains the following columns, Which two Structured Query Language (SQL) statements can you use? (Choose two.)

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104 (image/jpeg)

Respuesta

Pregunta 107

Pregunta

This queston requires that you evaluate the underlined text to determine if it is correct. The UNION keyword combines the results of two queries and returns only rows that appear in both result sets. Instructons: Review the underlined text. If it makes the statement correct, select "No change is needed." If the statement is incorrect, select the answer choice that makes the statement correct

Respuesta

No change is needed
INTERSECT
ALL
EXCEPT

Pregunta 108

Pregunta

You work at a restaurant and they ask you to help them with a data issue. They provide you with the following recipe data: (imag) You need to normalize the data to third normal form. How many tables should you create?

Image:

106 (image/png)

Respuesta

Pregunta 109

Pregunta

You accept an IT internship at a local charity. The charity has two tables in their data model named Chapter and Language, as deined below: (img) You create a third table named ChapterLanguage to relate the Chapter table and the Language table. You need to select columns from the Chapter and Language tables to create a composite primary key for the ChapterLanguage table. Which two columns should you select? (Choose two.)

Image:

107 (image/png)

Respuesta

ChapterId
LanguageId
Country
Region
City
LanguageName

Pregunta 110

Pregunta

HOT SPOT Instructons: For each of the following statements, select Yes if the statement is true. Otherwise, select No. Each correct selecton is worth one point. A clustered index sorts and stores the data columns of a table or view in order, based on the clustered index hey.

Respuesta

True
False

Pregunta 111

Pregunta

HOT SPOT Instructons: For each of the following statements, select Yes if the statement is true. Otherwise, select No. Each correct selecton is worth one point. A non-clustered index is defined on a table or view by using a clustered index or heap

Respuesta

True
False

Pregunta 112

Pregunta

HOT SPOT Instructons: For each of the following statements, select Yes if the statement is true. Otherwise, select No. Each correct selecton is worth one point. A unique index ensures that the index key contains no duplicate values and that every row in the table or view in unique

Respuesta

True
False

Pregunta 113

Pregunta

HOT SPOT Instructons: For each of the following statements, select Yes if the statement is true. Otherwise, select No. Each correct selecton is worth one point. A filtered index is a clustered index that is optimized for queries that select a small percentage of rows from a table

Respuesta

True
False

Pregunta 114

Pregunta

This queston requires that you evaluate theu nderlined text todetermine if it is correct. You combine data from three tables into one table. The new table includes redundancy to optmize read performance. The data in the new table has been denormalized. Instructons: Review the under lined text. If it makes the statement correct, select "Nochangeisneeded." If the statementisincorrect, select the answer choice that makes the statement correct.

Respuesta

No change is needed
Normalized
Truncated
Indexed

Pregunta 115

Pregunta

You need to delete a database table. Which data definition language (DDL) keyword should you use?

Respuesta

ALTER
DELETE
DROP
TRUNCATE

Pregunta 116

Pregunta

This question requires that you evaluate the underlined text to determine if it is correct. [Create a query that returns a set of table data by using the UPDATE statement.] Instructons: Review the underlined text. If it makes the statement correct, select "No change is needed." If the statement is incorrect, select the answer choice that makes the statement correct.

Respuesta

No change is needed
INSERT
REPLACE
SELECT

Pregunta 117

Pregunta

Your class project requires that you help a charity to create a website that registers volunteers. The website must store the following data about the volunteers: • Given name • Surname • Telephone number • Email address You need to recommend a correct way to store the data. What do you recommend?

Respuesta

Create a table that contains columns that are named given name, surname, phone number, and email.
Create a table that contains rows that are named given name, surname, phone number, and email.
Create a view that contains columns that are named given name surname, phone number, and email.
Create a view that contains rows that are named given name surname, phone number, and email

Pregunta 118

Pregunta

This queston requires that you evaluate the underlined text to determine if it is correct. [Truncate] is a database term used to describe the process of applying a backup to a damaged or corrupt database. Instructons: Review the underlined text. If it makes the statement correct, select "No change is needed." If the statement is incorrect, select the answer choice that makes the statement corrector.

Respuesta

Change is needed
Commit
Attach
Restore

Pregunta 119

Pregunta

This queston requires that you evaluate the underlined text to determine if it is correct. Use the [ALLOW SELECT] command to give a user permission to read the data in a table. Instructons: Review the underlined text. If it makes the statement correct, select "No change is needed." If the statement is incorrect, select the answer choice that makes the statement correct

Respuesta

No change is needed
GRANT SELECT
LET HEAD
PERMIT READ

Pregunta 120

Pregunta

You have a user that has server roles as deined below: The user can perfect [answer choice] actions on data that is on the serve

Image:

115 (image/png)

Respuesta

no
read-only
unlimited

Pregunta 121

Pregunta

You have a user that has server roles as deined below: The user can perfect [answer choice] actions on data that is on the serve

Image:

115 (image/png)

Respuesta

no
unlimited
configuration

Pregunta 122

Pregunta

The following illustraton shows backup strategies that use the simple recovery model and the full recovery model: Using the simple recovery model for database backups provides [answer choice] works-loss exposure than the full recovery model

Image:

116 (image/png)

Respuesta

less
more
the same

Pregunta 123

Pregunta

Image:

116 (image/png)

Respuesta

less
more
the same

Pregunta 124

Pregunta

You can delete data by using a stored procedure

Respuesta

True
False

Pregunta 125

Pregunta

A function must have a return value

Respuesta

True
False

Pregunta 126

Pregunta

A stored procedure must have a return value

Respuesta

True
False

Pregunta 127

Pregunta

This queston requires that you evaluate the underlined text to determine if it is correct. [Views] are database objects that contain all of the data in a database. Instructons: Review the underlined text. If it makes the statement correct, select "No change is needed." If the statement is incorrect, select the answer choice that makes the statement correct

Respuesta

No change is needed
Queries
Stored procedures
Tables

Pregunta 128

Pregunta

You have two tables named Cars and Color as deined below. The two tables are related by ColorId.

Image:

1 (image/jpeg)

Respuesta

Pregunta 129

Pregunta

You accept an IT internship at a local charity. The charity asks you to keep a record of its volunteers by using a database table named Volunteer. When volunteers ask to be removed from mailing lists, the table must be updated. You need to use a transacton to ensure that the database has data integrity and referental integrity. Which statement should you use?

Respuesta

Pregunta 130

Pregunta

This queston requires that you evaluate the underlined text to determine if it is correct. [ALTER TABLE] removes all rows from a table without logging the individual row deletons. Instructons: Review the underlined text. If it makes the statement correct, select "No change is needed." If the statement is incorrect, select the answer choice that makes the statement correct.

Respuesta

No change is needed
DROP TABLE
TRUNCATE TABLE
CREATE TABLE

Pregunta 131

Pregunta

You work at a cofee shop. They ask you to set up a website that stores charges on purchases. You need to recommend a data type in a database table to run inancial functons against the charged amounts. Which data type should you recommend?

Respuesta

Money
Bit
Varchar
Binary

Pregunta 132

Pregunta

This queston requires that you evaluate the underlined text to determine if it is correct. [ A row holds informaton for a single record in a table.] Instructons: Review the underlined text. If it makes the statement correct, select "No change is needed." If the statement is incorrect, select the answer choice that makes the statement correct

Respuesta

No change is needed
Column
Data type
View

Pregunta 133

Pregunta

A SQL Server Login can use Windows Authentication

Respuesta

True
False

Pregunta 134

Pregunta

A SQL Server Role provides permissions at the server level

Respuesta

True
False

Pregunta 135

Pregunta

A SQL Server Login is granted permissions to database views only

Respuesta

True
False

Pregunta 136

Pregunta

This queston requires that you evaluate the underlined text to determine if it is correct. [ Ports 20 and 21 are the default ports to secure a SQL Server.] Instructons: Review the underlined text. If it makes the statement correct, select "No change is needed." If the statement is incorrect, select the answer choice that makes the statement correct.

Respuesta

No change is needed
1433 and 1434
411 and 412
67 and 68

Pregunta 137

Pregunta

You are creating a database object named Student to store the following data:

Image:

6 (image/jpeg)

Respuesta

Pregunta 138

Pregunta

You develop a database to store data about textbooks. The data must be stored to process at a later tme. Which database object should you use to store the data?

Respuesta

View
Table
Function
Stored procedure

Pregunta 139

Pregunta

This question requires that you evaluate the underlined text to determine if it is correct. [First normal form requires that a database excludes repeatng groups] Instructons: Review the underlined text. If it makes the statement correct, select "No change is needed." If the statement is incorrect, select the answer choice that makes the statement correct.

Respuesta

No change is needed.
Composite keys
Duplicate rows
Foreign keys

Pregunta 140

Pregunta

HOTSPOT You have two database tables as deined below. The StateID column is unique in the State table. The AddressID column is unique in the Address table. The two tables are related by the StateID column. StateID is a /an [blank_start][answer choice][blank_end] in the State table

Image:

1 (image/png)

Respuesta

Index
Union
Foreing key
Primary key

Pregunta 141

Pregunta

Image:

1 (image/png)

Respuesta

Primary Key
Foreing Key
UNION
Index

Pregunta 142

Pregunta

This queston requires that you evaluate the underlined text to determine if it is correct. Use the [blank_start]FROM keyword in a SELECT[blank_end] statement to return rows that meet a speciic conditon. Instructons: Review the underlined text. If it makes the statement correct, select "No change is needed." If the statement is incorrect, select the answer choice that makes the statement correct

Respuesta

No change is needed
ORDER BY
UNION
WHERE

Pregunta 143

Pregunta

A cluestered Index improves the perfomance of queries that [answer choice]

Image:

Q87 (image/jpeg)

Respuesta

return large result set
return a range of values by using the = operator
do not use ORDER BY or GROUP BY clauses

Pregunta 144

Pregunta

A Clustered index improves the perfomances of queries on column that [answer choice]

Image:

Q87 (image/jpeg)

Respuesta

are accessed randomly
are accessed sequentially
are not unique or contain many common values

Pregunta 145

Pregunta

You have the following SQL query SELECT * FROM dbo.ProAthlete WHERE Salary > 500000 The query takes too much tme to return data. You need to improve the performance of the query. Which item should you add to the Salary column?

Respuesta

Non-null constraint
Default constraint
Index
Foreign key

	Creado por Kelvin Rivas hace más de 7 años

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SQL Server MTA 98-364

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