3721176
Descripción
Test por sharcondria_salo, actualizado hace más de 1 año
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Creado por sharcondria_salo
hace alrededor de 9 años
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Pregunta 1
Pregunta
What command do you use to perform a query in SQL?
Respuesta
-
USE
-
SELECT
-
QUERY
-
CHOSE
Pregunta 2
Pregunta
What wildcard character retrieves all records with the SELECT command?
Respuesta
-
*
-
%
-
$
-
?
Pregunta 3
Pregunta
What would you use to combine two parameters in a query in SQL
Respuesta
-
PLUS
-
BOTH
-
COMBINE
-
AND
Pregunta 4
Pregunta
What clause would you use with the SELECT command that would pull records based on a range?
Respuesta
-
COMBO
-
BETWEEN
-
OR
-
COMBINE
Pregunta 5
Pregunta
What keyword used with the SELECT statement is used to not output specified records?
Respuesta
-
OR
-
DISALLOW
-
DISREGARD
-
NOT
Pregunta 6
Pregunta
What would you use to combine columns from two different tables?
Respuesta
-
AND
-
BETWEEN
-
JOIN
-
COMBINE
Pregunta 7
Pregunta
Which clause used with the SELECT command will return values that you want to exclude from the normal parameters?
Respuesta
-
EXCEPT
-
INTERSECT
-
SEARCH
-
EXCLUDE
Pregunta 8
Pregunta
What clause is used to combine related data from multiple table sources?
Respuesta
-
COMBINE
-
AND
-
JOIN
-
PLUS
Pregunta 9
Pregunta
What statement would you use to add data to a table?
Respuesta
-
ADD
-
INSERT
-
JOIN
-
PRESENT
Pregunta 10
Pregunta
What statement would you use to change data in a table?
Respuesta
-
CHANGE
-
MODIFY
-
INSERT
-
UPDATE
Pregunta 11
Pregunta
What statement is used to delete one or more rows in a table?
Respuesta
-
DELETE
-
REMOVE
-
TRUNCATE
-
CHANGE
Pregunta 12
Pregunta
What statement is used to delete a table from a database?
Respuesta
-
DELETE
-
DROP
-
REMOVE
-
TRUNCATE
Pregunta 13
Pregunta
How can you prevent the accidental loss of an entire table?
Respuesta
-
Use the DELETE TRANS command
-
Use the LOOPBACK command.
-
Use the SAFEDELETE command.
-
Use referential integrity.
Pregunta 14
Pregunta
What do you perform when you want to recall specific records from a database?
Respuesta
-
recall
-
virtual extraction
-
reach
-
query
Pregunta 15
Pregunta
What command would you use to delete a table while leaving the table structure in place for future use?
Respuesta
-
DELETE TABLE
-
TRUNCATE TABLE
-
REMOVE TABLE
-
STOP TABLE
Pregunta 16
Pregunta
What statement would you use to pull all records in which the State is CA from the Users table?
[blank_start]SELECT *[blank_end]
[blank_start]FROM Users[blank_end]
[blank_start]WHERE State = 'CA'[blank_end]
Respuesta
-
SELECT *
-
FROM Users
-
WHERE State = 'CA'
Pregunta 17
Pregunta
What statement would you use to pull First_Name and Last_Name from the Users table in which Gender is F and State is CA?
[blank_start]SELECT First_Name, Last_Name[blank_end]
[blank_start]FROM Users[blank_end]
[blank_start]WHERE Gender = 'F' AND State = 'CA'[blank_end]
Respuesta
-
FROM Users
-
SELECT First_Name, Last_Name
-
WHERE Gender = 'F' AND State = 'CA'
Pregunta 18
Pregunta
What statement would you use to list the First_Name and Last_Name from the Users table which Department is not IT?
[blank_start]SELECT First_Name, Last_Name[blank_end]
[blank_start]FROM Users[blank_end]
[blank_start]WHERE NOT Department = 'IT'[blank_end]
Respuesta
-
SELECT First_Name, Last_Name
-
FROM Users
-
WHERE NOT Department = 'IT'
Pregunta 19
Pregunta
What statement would you use to delete the Equipment table?
[blank_start]DROP TABLE Equipment[blank_end]
Respuesta
-
DROP TABLE Equipment
Pregunta 20
Pregunta
The terms "bitmap," "b-tree," and "hash" refer to which type of database structure?
Respuesta
-
View
-
Function
-
Index
-
Stored procedure
-
Trigger
Pregunta 21
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 22
Pregunta
You have the first table that contains the following data.
You break the table into the following two tables.
This process is referred to as:
Respuesta
-
defragmentation
-
normalization
-
fragmentation
-
denormalization
Pregunta 23
Pregunta
You have a table that contains the following data.
Which database term is used to describe the relationship between ProductID and
ProductCategory?
Respuesta
-
Cohort
-
Relationally dependent
-
Deterministic
-
Functionally dependent
-
Compositional
Pregunta 24
Pregunta
Which key uniquely identifies a row in a table?
Respuesta
-
foreiqn
-
primary
-
local
-
superkey
Pregunta 25
Pregunta
Which statement creates a composite key?
Respuesta
Pregunta 26
Pregunta
What statement would you use to pull First_Name, Last_Name, and ID_Number from the Users table?
[blank_start]SELECT First_Name, Last_Name, ID_Number[blank_end]
[blank_start]FROM Users[blank_end]
Respuesta
-
SELECT First_Name, Last_Name, ID_Number
-
FROM Users
Pregunta 27
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 unaffected
-
The Customer table exists but has no data.
-
The script fails.
Pregunta 28
Pregunta
In which situation 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 transaction
-
when you encounter an error in your application
-
when data needs to be deleted from the database
Pregunta 29
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 30
Pregunta
You need to enable a new employee to authenticate to your database.
Which command should you use?
Respuesta
-
ALLOW USER
-
CREATE USER
-
ADD USER
-
INSERT USER
-
ALTER USER
Pregunta 31
Pregunta
Which keyword can be used in a create table statement?
Respuesta
-
ORDER BY
-
DISTINCT
-
GROUP BY
-
UNIQUE
Pregunta 32
Pregunta
You need to store product quantities, 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 33
Pregunta
Which statement will result in the creation of an index?
Respuesta
Pregunta 34
Pregunta
You have the following table definition:
CREATE TABLE Road
(RoadID INTEGER NOT NULL,
Distance INTEGER NOT NULL)
You execute the following statement:
INSERT INTO Road VALUES (1234, 36)
What is the result?
Respuesta
-
an error stating that NULL values are not allowed
-
a new row in the table
-
an error stating that duplicate IDs are not allowed
-
a syntax error
Pregunta 35
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 36
Pregunta
One reason to create a stored procedure is to:
Respuesta
-
Improve performance.
-
Minimize storage space.
-
Bypass case sensitivity requirements.
-
Give the user control of the query logic.
Pregunta 37
Pregunta
Which permission does a user need in order to run a stored procedure?
Respuesta
-
EXECUTE
-
ALLOW
-
CALL
-
RUN
Pregunta 38
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.
After you execute the statement, the result set of the view is:
Respuesta
-
Empty
-
Deleted
-
Unchanged
-
Archived
Pregunta 39
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 definition.
Pregunta 40
Pregunta
Which of the following is NOT stored in the sysobjects system table?
Respuesta
-
Functions
-
Triggers
-
Constraints
-
Indexes
Pregunta 41
Pregunta
[blank_start]ADD[blank_end] is a reserved keyword in SQL SERVER 2008 and therefore cannot be used as an object name or as a column name in a table, unless delimited.
Respuesta
-
ADD
-
none of the above
-
SUBTRACT
-
MINUS
Pregunta 42
Pregunta
Which of the following range conditions would generate a syntax error?
Respuesta
-
salary <= 50000 AND salary >= 10000
-
salary between (10000 AND 50000) AND (60000 and 90000)
-
salary >=10000 AND salary <= 50000
-
salary BETWEEN 10000 AND 50000
Pregunta 43
Pregunta
Which statement is false?
Respuesta
-
A table provides structure to store data.
-
A table can be created in a graphical interface and using syntax.
-
A database cannot parse out redundant data.
-
A database retrieves data from different tables and views.
Pregunta 44
Pregunta
What is collation?
Respuesta
-
It is data design and organizations process applied to data structures, based on rules that help building relational databases.
-
It is a concept in SQL Server by which we can add other SQL Server to a group and query both the SQL Servers dbs using T-SQL statements.
-
It means that the data in the db is organized so that all the data elements relating to the same real-world event or object are linked together.
-
It refers to a set of rules that determine how data is sorted and compared
Pregunta 45
Pregunta
Which of the following conditions will you use in a WHERE clause to select all last names that start with J?
Respuesta
-
WHERE LastName = 'J*'
-
WHERE LastName LIKE 'J%'
-
WHERE LastName = 'J%'
-
WHERE LastName LIKE 'J'
Pregunta 46
Pregunta
What is the best data type to store the birthdays of the greatest scientists, starting with Leonardo Da Vinci's birthday of April 15, 1452?
Respuesta
-
INT
-
VARCHAR
-
DATETIME
-
SMALLDATETIME
Pregunta 47
Pregunta
If you need to calculate a percentage value, what data type is the best option?
Respuesta
-
Float
-
Integer
-
SmallInt
-
BigInt
Pregunta 48
Pregunta
You have a column that will only contain from 0 to 1024. What is the most economical data type to use for the column?
Respuesta
-
SMALLINT
-
DECIMAL(3)
-
TINYINT
-
INT
Pregunta 49
Pregunta
What is the statement used to suppress the '(1 row(s) affected.' after executing query statements?
Respuesta
-
SET NO COUNTING
-
SET NO COUNT
-
SET NO COUNTING ON
-
SET NOCOUNT ON
Pregunta 50
Pregunta
Which of the following is not supported by the ALTER TABLE command?
Respuesta
-
Modifying the data type of an existing column.
-
Adding a new column to a table.
-
Changing the IDENTITY constraint of an existing column
-
Deleting multiple columns from an existing table.
Pregunta 51
Pregunta
If the data is May 1st 2011 at 09:23AM. What will be the result of the following SELECT statement?
SELECT GETDATE() + 3
Respuesta
-
05/01/2014 09:23 AM
-
08/04/2011 09:23AM
-
05/04/2011 09:23AM
-
A SQL Server Database Error. A DATETIME value and an INT value cannot be added together.
Pregunta 52
Pregunta
What will be the output of the following statement?
SELECT CHARINDEX('GM',"The best TTS solutions are provided by GMetrix', -1)
Respuesta
-
8
-
1
-
39
-
40
-
0
Pregunta 53
Pregunta
What will be the result of the following statement?
SELECT CAST (-1 AS SMALLDATETIME)
Respuesta
-
1752-01-01 00:00:00.000
-
1752-12-31 00:00:00.000
-
The system will generate an error. Only positive integer values can be converted to a SMALLDATETIME data type.
-
1900-01-01 00:00:00.000
Pregunta 54
Pregunta
What will be the result of the following statement?
SELECT REPLACE ('The best TTS solutions is provided by GMetrix', 's', 'z')
Respuesta
-
None of the above
-
The beszt TTSz szolutionsz isz provided by GMetrix
-
A SQL Server Orthographic error
-
The bezt TTz zolutionz iz provided by GMetrix
Pregunta 55
Pregunta
What command would you use to display all records from the clients table that have the state of New Mexico and the city of Roswell?
Respuesta
-
SELECT * FROM clients WHERE state = "New Mexico" AND City = "Roswell"
-
SELECT * FROM clients WHERE state = New Mexico AND City = Roswell
-
SELECT * FROM clients WHERE state = 'New Mexico' OR City = 'Roswell'
-
SELECT * FROM clients WHERE state = 'New Mexico' AND City = 'Roswell'
Pregunta 56
Pregunta
What will be the results of the following statement?
CREATE VIEW cambridge_data AS SELECT NoControl, FullName FROM cambridge ORDER BY FullName
Respuesta
-
A SQL Sever Database Error because the clause ORDER BY is not valid in the creation of a view.
-
A SQL Sever Database Error because the CREATE VIEW statement is not within a BEGIN/END block.
-
A SQL Sever Database Error because the same column cannot be used multiple times in the statement.
-
The creation of a view called cambridge_date with the data ordered by the field FullName.
Pregunta 57
Pregunta
What is the right way to get an accurate count of the number of records in a table?
Respuesta
-
SELECT * FROM table1
-
All of the above
-
SELECT rows FROM sysindexes where name like 'IX_table1'
-
SELECT COUNT (*) FROM table1
Pregunta 58
Pregunta
What is a subquery?
Respuesta
-
A query that displays only the rows that match in two joined tables.
-
A particular case when one table joins itself with one or more aliases to avoid confusion.
-
A join that displays only the rows even if they do not have related rows in the joined table.
-
A select statement that is nested within another T-SQL statement.
Pregunta 59
Pregunta
SELECT STR(938.56, 6, 1)
Respuesta
-
938.56
-
938.5
-
0938.5
-
938.6
Pregunta 60
Pregunta
What are the entities that can be viewed in the SQL Server Utility?
Respuesta
-
Instances of SQL Server, Data-Tier apps, Database Files, Volumes
-
Disks, Volumes, Users
-
Instances of SQL Server, Users, Store Procedures, Volumes
-
Instances of SQL Server, Store Procedures, Tables
Pregunta 61
Pregunta
Which of the following could not be used as a primary key?
Respuesta
-
Employee Number
-
Serial number for an electronic component
-
Social Security Number
-
A table can contain only one FOREIGN key
Pregunta 62
Pregunta
Which of the following can be used to improve query performance?
Respuesta
-
All of the above
-
UNIQUE index
-
PRIMARY KEY
-
CLUSTERED index
Pregunta 63
Pregunta
Which of the following statements is not true about a FOREIGN KEY?
Respuesta
-
A table can contain only one FOREIGN key.
-
You can create a foreign key by defining a FOREIGN KEY constraint when you create or alter a table.
-
A FOREIGN KEY enforces referential integrity by ensuring only valid data is stored.
-
A foreign key is a combination of one or more columns used to establish and enforce a link between the data in two tables.
Pregunta 64
Pregunta
Which of the following is NOT true about the PRIMARY KEY constraint?
Respuesta
-
It is always created as CLUSTERED.
-
It is a column that participates in the PRIMARY KEY constraint cannot accept NULL values.
-
It can be composed of more than 1 column.
-
It enforces data uniqueness by creating a unique index for the primary key columns.
Pregunta 65
Pregunta
What is the DBCC command used for checking that tables in the db and the indexes are correctly linked?
Respuesta
-
CHECKLINK
-
CHECKDB
-
CHECKFILEGROUP
-
CHECKALLOC
Pregunta 66
Pregunta
Which of the following is NOT a fixed server role?
Respuesta
-
Accessadmin
-
Diskadmin
-
Setupadmin
-
Securityadmin
Pregunta 67
Pregunta
The Cambridge db is acesses by several users in LA, regularly during business hours. You need to ensure that personnel cannot login on to db outside of normal business hours, which is defined as 8:00am to 5:00m, Monday through Saturday, what should you do?
Respuesta
-
Create a logon trigger to prevent logons after normal business hours.
-
Write a store procedure to respond to all logon events and prevent logons after hours.
-
Create a SQL Server Agent job to shut down the server after 6:00pm and restart before 7:00am.
-
Broadcast a notification indicating the business hours.
Pregunta 68
Pregunta
The Cambridge db is using full recovery model. You perform full backups once a week on Friday nights and differential backups every day. If the Cambridge db fails on Friday morning, what should you do first?
Respuesta
-
Restore the full backup
-
Restore the transaction log
-
Backup the transaction log
-
Restore the most recent differential backup
Pregunta 69
Pregunta
[blank_start]Backup[blank_end] is the best method to prevent the loss of data.
Respuesta
-
Backup
-
Redundant NIC's
-
UPS
-
RAID
Pregunta 70
Pregunta
We have the following table:
Name varchar(50)
Lastname varchar(50)
Email varchar(50)
Phone varchar(15)
If we need to store 100,000 records, the estimate size of the table will be:
Respuesta
-
157.3563 MB
-
1.573563 GB
-
15.73563 MB
-
1.573563 MB
Pregunta 71
Pregunta
How many files does Microsoft SQL Server use to store the database?
Respuesta
-
6
-
3
-
2
-
4
Pregunta 72
Pregunta
What is the sub-language that allows user to insert, delete, and update data in a database?
Respuesta
-
T-SQL
-
DML
-
DDL
-
CRUD
Pregunta 73
Pregunta
Which of these sentences is incorrect?
Respuesta
-
SELECT * FROM cambridge WHERE id IN (1,3,5)
-
SELECT * FROM cambridge WHERE id NOT IN (1,5)
-
SELECT * FROM cambridge WHEREid BETWEEN (1,5)
-
SELECT * FROM cambridge WHERE id <> (15)
Pregunta 74
Pregunta
The DROP command allows you to [blank_start]permanently delete a database/table.[blank_end]
Respuesta
-
permanently delete a database/table.
-
create new objects like a database/table
-
delete a record from a table.
-
modify the definition of an object.
Pregunta 75
Pregunta
Which three are T-SQL commands to handle privileges? (Choose three.)
Respuesta
-
REFUSE
-
DENY
-
PERMIT
-
GRANT
-
RECIND
-
REVOKE
Pregunta 76
Pregunta
[blank_start]DROP LOGIN[blank_end] removes a SQL Server login account.
Respuesta
-
DROP LOGIN
-
DELETE LOGIN
-
DELETE USER
-
DROP USER
Pregunta 77
Pregunta
What does SQL stand for?
Respuesta
-
Structured Question Language
-
Structured Query Language
-
Structured Query Log
-
Strong Question Language
Pregunta 78
Pregunta
What are three types of databases?
Respuesta
-
Context Model, Associative Model, Entity-Attribute-Value (EAV) data model
-
Oracle, DB2, SQL Server
-
Network Model, Relational Model, Object Oriented Model
-
Relational, Flat File, Hierarchical
Pregunta 79
Pregunta
What is the maximum date value that can be stored in a SMALLDATETIME data type?
Respuesta
-
June 6, 2079
-
December 31, 9999
-
July 6, 2079
-
December 31, 2079
Pregunta 80
Pregunta
What is a view?
Respuesta
-
A virtual table created by a query joining one or more tables
-
A command to recover the content of a table.
-
A physical copy of a table
-
The result of the execution of a query
Pregunta 81
Pregunta
Which option is not a T-SQL command to handle privileges?
Respuesta
-
PERMIT
-
DENY
-
REVOKE
-
GRANT
Pregunta 82
Pregunta
What is a trigger?
Respuesta
-
A named group of SQL statements that have been previously created and stored in the server database.
-
A physical structure containing pointers to the data.
-
A subset of a table.
-
A SQL procedure that initiates an action when an event (INSERT, DELETE or UPDATE) occurs.
Pregunta 83
Pregunta
The WHERE clause allows you to [blank_start]obtain a subset of rows.[blank_end]
Respuesta
-
obtain a subset of rows.
-
view a subset of columns.
-
update the values inside record/records.
-
order a subset of rows.
Pregunta 84
Pregunta
Consider a query of two tables. The results contains only the rows that have a match in both tables. What kind of JOIN was used?
Respuesta
-
RIGHT OUTER JOIN
-
INNER JOIN
-
LEFT OUTER JOIN
-
FULL OUTER JOIN
Pregunta 85
Pregunta
What statement is used to retrieve data from a database?
Respuesta
-
READ
-
SELECT
-
GET
-
EXTRACT
Pregunta 86
Pregunta
The result of the query:
SELECT COUNT (*) from employees
will be:
Respuesta
-
All of the above.
-
All the records that contains the character *.
-
All the records of the table employees.
-
The number of rows in the table employees.
Pregunta 87
Pregunta
What is the result of the following query:
SELECT MAX (salary) from employee
Respuesta
-
The average salary of all employees.
-
The salary of the employee with the highest value in the identifier column.
-
The maximum salary of all employees.
-
The salary of the employee called Max.
Pregunta 88
Pregunta
What statement is used to remove a record from a table?
Respuesta
-
REMOVE
-
TRUNCATE
-
DELETE
-
ERASE
Pregunta 89
Pregunta
What does the following statment do?
SELECT DATEADD(DD, 0, DATEDIFF(DD, 0, GETDATE()))
Respuesta
-
The statement will generate an error. The second parameter of the DATEDIFF function should be a DATETIME data type.
-
Return the current system date unchanged.
-
Return the integer value of the current system date.
-
Return just the date part of the current system date removing the time.
Pregunta 90
Pregunta
How many levels of normal forms are there?
Respuesta
-
7
-
3
-
5
-
11
Pregunta 91
Pregunta
What determines a database in the third normal form?
Respuesta
-
The table faithfully represents a relation and has not repeating groups.
-
Every non-prime attribute ins non-transitively dependent on every candidate key in the table.
-
Every non-trivial join dependency in the table is implied by the superkeys of the table.
-
No non-prime attribute in the table is functionally dependent on a proper subset of a candidate key.
Pregunta 92
Pregunta
A unique constraint allows you to specify _________________.
Respuesta
-
each record in a database table.
-
the types of data a user can insert into the database.
-
that data is entered into a cell.
-
which column should not contain duplicate values.
Pregunta 93
Pregunta
An index allows you to ______________________.
Respuesta
-
increase the performance of a query.
-
order the columns in a table.
-
write better queries.
-
define the maximum size of a table.
Pregunta 94
Pregunta
SQL code injection is _________________________.
Respuesta
-
an insert statement.
-
a technique that exploits security vulnerabilities in the db layer of an application.
-
the execution of a store procedure.
-
the use of SQL statements in high level languages.
Pregunta 95
Pregunta
[blank_start]Dbcreator[blank_end] can create, alter, and resize databases.
Respuesta
-
Dbcreator
-
Diskadmin
-
Bulkadmin
-
Setupadmin
Pregunta 96
Pregunta
Members of what fixed database role cannot add, modify or delete any data in the tables within a database, regardless of other roles?
Respuesta
-
db_datareader
-
db_denydatawriter
-
db_backupoperator
-
db_ddladmin
Pregunta 97
Pregunta
Which of the following fixed server roles can shut down the SQL Server?
Respuesta
-
serveradmin
-
processadmin
-
securityadmin
-
setupadmin
Pregunta 98
Pregunta
What are the three different methods for which a user can be identified in Server Level security?
Respuesta
-
None of the above.
-
Windows user login, SQL Server login, Use of Credentials
-
Root, SA, SQL Server login
-
Windows user login, membership in a windows group, SQL Server login
Pregunta 99
Pregunta
[blank_start]Full backup[blank_end] preserves data by creating multiple copies that are based on the differences in the data. A successive copy of the data contains only that portion which has changed sine the preceding copy has been created.
Respuesta
-
Full backup
-
Differential backup
-
Daily backup
-
Incremental backup
Pregunta 100
Pregunta
Which of the following, is the filename extension of Microsoft SQL Server transaction log?
Respuesta
-
.mdf
-
.ldf
-
.ndf
-
.log
Pregunta 101
Pregunta
What type of data structure improves data recovery speed?
Respuesta
-
tri
-
filter
-
Index
-
Transaction Log
Pregunta 102
Pregunta
Which of the following is a collection of programs that enable you to capture, organize, and select data from a database?
Respuesta
-
disk program
-
group spreadsheets
-
application DAT
-
DBMS
Pregunta 103
Pregunta
Which of the following defines a simple database using two-dimensional tables consisting of rows and columns?
Respuesta
-
flat-type database
-
hierarchical database
-
Relational Database
-
table as a database
Pregunta 104
Pregunta
Which of the following refers to a database with multiple tables with parent / child relationships and a child can have more than one parent?
Respuesta
-
flat file database
-
hierarchical database
-
Relational Database
-
table as database
Pregunta 105
Pregunta
Which allows multiple users to access both a SQL database?
Respuesta
-
database server
-
workstation
-
collector
-
computer located in the center of the building
Pregunta 106
Pregunta
Among the following, which sets limits or rules placed on a file or a column to ensure that the data is considered valid for a database?
Respuesta
-
checker
-
validator
-
scanner
-
constraint
Pregunta 107
Pregunta
Among the following, which is the main tool used to configure the databases to Microsoft SQL Server?
Respuesta
-
DBS
-
SSMS
-
SQL Configuration Tool
-
ODBC SQL emulator
Pregunta 108
Pregunta
Which of the following is the language element allowing you to use statements, such as INSERT, UPDATE and DELETE to manipulate the data in any SQL Server table?
Respuesta
-
DML
-
DDE
-
DDL
-
DAT
Pregunta 109
Pregunta
Which of the following statements is a T-SQL subset responsible for creating database objects such as tables and stored procedures?
Respuesta
-
DML
-
DDE
-
DDL
-
DAT
Pregunta 110
Pregunta
Which statement type uses USE, CREATE, ALTER, and DROP?
Respuesta
-
DML
-
DDE
-
DDL
-
DAT
Pregunta 111
Pregunta
Which of the following refers to the statement allowing you to delete the table in a SQL database?
Respuesta
-
DELETE
-
LED
-
DROP
-
REMOVE
Pregunta 112
Pregunta
Which of the following refers to the statement that you can use to remove rows from a table?
Respuesta
-
SELECT
-
UPDATE
-
DELETE
-
STOP
Pregunta 113
Pregunta
Which of the following statements is the primary method to program and manage SQL Server?
Respuesta
-
DOS Commands
-
SQLCMD Scripts
-
XQuery
-
T-SQL
Pregunta 114
Pregunta
Which of the following allows you to execute SQL commands in an application from the command line?
Respuesta
-
DOS Commands
-
SQLCMD Scripts
-
XQuery
-
Transact-SQK
Pregunta 115
Pregunta
[blank_start]Database[blank_end] is an organized collection of data, usually stored electronically.
Respuesta
-
Database
Pregunta 116
Pregunta
The main data files used on a Microsoft SQL server have an extension [blank_start].mdf[blank_end]
Respuesta
-
.mdf
Pregunta 117
Pregunta
Which statement is used to add or remove columns in a table?
[blank_start]ALTER[blank_end]
Respuesta
-
ALTER
Pregunta 118
Pregunta
What command can you use to change the context of the database?
[blank_start]USE[blank_end]
Respuesta
-
USE
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