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SQL Server MTA 98-364

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Kelvin Rivas
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Kelvin Rivas
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Zusammenfassung der Ressource

Frage 1

Frage
The terms "bitmap," "b-tree," and "hash" refer to which type of database structure?
Antworten
  • View
  • Functon
  • Index
  • Stored procedure
  • Trigger

Frage 2

Frage
One reason to add an index is to:
Antworten
  • Decrease storage space
  • Increase database security.
  • Improve performance of select statements.
  • Improve performance of insert statements.

Frage 3

Frage
You have a table that contains the following data. You break the table into the following two tables. This process is referred to as:
Image:
Question3 1 (image/jpeg)
Antworten
  • defragmentaton
  • normalizaton
  • fragmentaton
  • denormalizaton

Frage 4

Frage
You have a table that contains the following data. Which database term is used to describe the relatonship between ProductID and ProductCategory?
Image:
Question4 1 (image/jpeg)
Antworten
  • Cohort
  • Relatonally dependent
  • Deterministc
  • Functonally dependent
  • Compositonal

Frage 5

Frage
Which key uniquely identies a row in a table?
Antworten
  • foreiqn
  • primary
  • local
  • superkey

Frage 6

Frage
Which statement creates a composite key?
Image:
Question6 1 (image/jpeg)
Antworten
  • Opton A
  • Opton B
  • Opton C
  • Opton D

Frage 7

Frage
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?
Antworten
  • The Customer table no longer exists.
  • The Customer table is unafected.
  • The Customer table exists but has no data.
  • The script fails.

Frage 8

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

Frage 9

Frage
Which command should you use to give a user permission to read the data in a table?
Antworten
  • ALLOW SELECT
  • LET READ
  • PERMIT READ
  • GRANT SELECT

Frage 10

Frage
You need to enable a new employee to authentcate to your database. Which command should you use?
Antworten
  • ALLOW USER
  • CREATE USER
  • ADD USER
  • INSERT USER
  • ALTER USER

Frage 11

Frage
Which keyword can be used in a create table statement?
Antworten
  • ORDER BY
  • DISTINCT
  • GROUP BY
  • UNIQUE

Frage 12

Frage
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?
Antworten
  • INTEGER
  • DOUBLE
  • COUNT
  • FLOAT

Frage 13

Frage
Which statement will result in the creaton of an index?
Image:
Question13 (image/jpeg)
Antworten
  • Option A
  • Option B
  • Option C
  • Option D

Frage 14

Frage
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?
Image:
Question14 (image/jpeg)
Antworten
  • 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

Frage 15

Frage
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?
Antworten
  • VARCHAR (3, 30)
  • CHAR (3, 30)
  • VARCHAR (30)
  • CHAR (30)

Frage 16

Frage
One reason to create a stored procedure is to:
Antworten
  • Improve performance.
  • Minimize storage space.
  • Bypass case sensitvity requirements.
  • Give the user control of the query logic.

Frage 17

Frage
Which permission does a user need in order to run a stored procedure?
Antworten
  • EXECUTE
  • ALLOW
  • CALL
  • RUN

Frage 18

Frage
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:
Antworten
  • Empty
  • Deleted
  • Unchanged
  • Archived

Frage 19

Frage
In SQL, an insert statement is used to add a:
Antworten
  • User to a database.
  • Row of data to a table.
  • Table to a database.
  • Column to a table deiniton.

Frage 20

Frage
You have two tables. Each table has three rows. How many rows will be included in the Cartesian product of these two tables?
Antworten
  • 0
  • 3
  • 6
  • 9

Frage 21

Frage
You are writng an SQL statement to retrieve rows from a table. Which data manipulaton language (DML) command should you use?
Antworten
  • READ
  • SELECT
  • OUTPUT
  • GET

Frage 22

Frage
Which constraint ensures a unique value in the ID column for each customer?
Antworten
  • DISTINCT
  • FOREIGN KEY
  • SEQUENTIAL
  • PRIMARY KEY

Frage 23

Frage
The component that holds informaton for a single entry in a table is called a:
Antworten
  • Data type
  • Row
  • Column
  • View

Frage 24

Frage
You execute the following statement: SELECT EmployeeID, FirstName, DepartmentName FROM Employee, Department This type of operaton is called a/an:
Antworten
  • Intersection
  • Outer join
  • Equi-join
  • Cartesian product

Frage 25

Frage
Which command should you use to add a column to an existng table?
Antworten
  • MODIFY
  • ALTER
  • UPDATE
  • INSERT
  • CHANGE

Frage 26

Frage
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?
Image:
Pregunta26 (image/png)
Antworten
  • 0
  • 1
  • 2
  • 3
  • 4

Frage 27

Frage
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?
Antworten
  • FIND
  • BETWEEN
  • INCLUDES
  • LIKE

Frage 28

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

Frage 29

Frage
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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Antworten
  • Opton A
  • Opton B
  • Opton C
  • Opton D

Frage 30

Frage
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?
Antworten
  • UPDATE
  • CHANGE
  • SELECT
  • INSERT

Frage 31

Frage
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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Question31 (image/jpeg)
Antworten
  • Option A
  • Option B
  • Option C
  • Option D

Frage 32

Frage
You execute the following statement:
Image:
Question32 (image/jpeg)
Antworten
  • Subquery
  • Union
  • Outer join
  • Cartesian product

Frage 33

Frage
Which keyword would you use in a select statement to return rows that meet a speciic conditon?
Antworten
  • WHERE
  • UNION
  • ORDER BY
  • FROM

Frage 34

Frage
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?
Image:
Question34 (image/jpeg)
Antworten
  • Option A
  • Option B
  • Option C
  • Option D

Frage 35

Frage
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?
Antworten
  • 1
  • 2
  • 3
  • 4

Frage 36

Frage
Which command should you use to remove a table from a database?
Antworten
  • REMOVE TABLE
  • UPDATE TABLE
  • DROP TABLE
  • DELETE TABLE

Frage 37

Frage
You need to store the contact informaton for each student in your school database. You should store each student's informaton in a:
Antworten
  • Stored procedure
  • Function
  • Row
  • Variable

Frage 38

Frage
Which category of SQL statements is used to add, remove, and modify database structures?
Antworten
  • Data access language (DAL)
  • Data manipulation language (DML)
  • Data control language (DCL)
  • Data definiton language (DDL)

Frage 39

Frage
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?
Antworten
  • Complete join
  • Partial join
  • Inner join
  • Outer join

Frage 40

Frage
Data in a database is stored in:
Antworten
  • Tables
  • Queries
  • Data types
  • Stored procedures

Frage 41

Frage
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?
Antworten
  • 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.

Frage 42

Frage
You need to establish a set of permissions that you can routnely assign to new users. What should you create?
Antworten
  • Resource
  • Group
  • List
  • Role

Frage 43

Frage
Which database term is used to describe the process of applying a backup to a damaged or corrupt database?
Antworten
  • Recover
  • Restore
  • Commit
  • Atach

Frage 44

Frage
You need to disable User1's access to view the data in the Customer table. Which statement should you use?
Image:
Question44 (image/jpeg)
Antworten
  • Option A
  • Option B
  • Option C
  • Option D

Frage 45

Frage
Denormalizaton is performed in order to:
Antworten
  • Reduce redundancy.
  • Eliminate repeatng groups.
  • Create smaller tables.
  • Improve query performance.

Frage 46

Frage
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?
Antworten
  • A cursor
  • A subquery
  • A trigger
  • An index

Frage 47

Frage
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?
Image:
Question47 (image/jpeg)
Antworten
  • 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

Frage 48

Frage
Which two keys establish a relatonship between two tables? (Choose two.)
Antworten
  • candidate
  • foreign
  • superkey
  • local
  • primary

Frage 49

Frage
One diference between a functon and a stored procedure is that a functon:
Antworten
  • Must be called from a trigger.
  • Must return a value.
  • Cannot contain a transaction.
  • Cannot accept parameters.

Frage 50

Frage
Which keyword must be included in a create view statement?
Antworten
  • WHERE
  • ORDER BY
  • UPDATE
  • SELECT

Frage 51

Frage
You have a table named Customer. You need to add a new column named District. Which statement should you use?
Image:
Question51 (image/jpeg)
Antworten
  • Option A
  • Option B
  • Option C
  • Option D

Frage 52

Frage
You need to remove a view named EmployeeView from your database. Which statement should you use?
Antworten
  • DELETE VIEW EmployeeView
  • DELETE EmployeeView
  • DROP EmployeeView
  • DROP VIEW EmployeeView

Frage 53

Frage
A named group of SQL statements that can be executed in a database is called a:
Antworten
  • Subroutine
  • Formula
  • Stored procedure
  • Method

Frage 54

Frage
A view can be used to:
Antworten
  • 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.

Frage 55

Frage
On which database structure does an update statement operate?
Antworten
  • Table
  • User
  • Trigger
  • Role

Frage 56

Frage
You need to list the name and price of each product, sorted by price from highest to lowest. Which statement should you use?
Image:
Question56 (image/jpeg)
Antworten
  • Option A
  • Option B
  • Option C
  • Option D

Frage 57

Frage
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:
Antworten
  • Inherited delete
  • Cascade delete
  • Functional delete
  • Waterfall delete
  • Domino delete

Frage 58

Frage
Which statement deletes the rows where the employee's phone number is not entered
Image:
Question58 (image/jpeg)
Antworten
  • Option A
  • Option B
  • Option C
  • Option D

Frage 59

Frage
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?
Image:
Question59 (image/jpeg)
Antworten
  • OptIon A
  • OptIon B
  • OptIon C
  • OptIon D

Frage 60

Frage
You have a table named Employee that includes four columns. You execute the following statement: SELECT * FROM Employee Which columns are returned?
Antworten
  • all columns
  • only the last column
  • only the First column
  • only the First and last columns

Frage 61

Frage
Which two elements are required to deine a column? (Choose two.)
Antworten
  • A name
  • A key
  • An index
  • A data type

Frage 62

Frage
What deines the amount of storage space that is allocated to a value in a column?
Antworten
  • format
  • key
  • data type
  • validator

Frage 63

Frage
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?
Antworten
  • CHAR
  • BYTE
  • DOUBLE
  • SMALLINT

Frage 64

Frage
What is one diference between an update statement and a delete statement?
Antworten
  • 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.

Frage 65

Frage
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?
Antworten
  • A primary key
  • An index
  • A foreign key
  • A unique constraint
  • A data type

Frage 66

Frage
You need to store the irst name, last name, and student ID for 100 students. This informaton will be stored in a table as:
Antworten
  • 100 items and three cells.
  • 100 rows and three columns.
  • three rows and 100 columns.
  • three items and 100 cells.

Frage 67

Frage
What are three valid data manipulaton language (DML) commands? (Choose three.)
Antworten
  • INSERT
  • COMMIT
  • DELETE
  • OUTPUT
  • UPDATE

Frage 68

Frage
You assign User1 a set of permissions that include the WITH GRANT OPTION. The WITH GRANT OPTION enables User1 to:
Antworten
  • request a log of permission use.
  • delegate permissions to other users.
  • create new database users.
  • view other users' permissions.

Frage 69

Frage
Which type of index changes the order in which the data is stored in a table?
Antworten
  • non-sequental
  • sequental
  • non-clustered
  • clustered

Frage 70

Frage
Which statement should you use to remove a foreign key?
Antworten
  • ALTER TABLE
  • DELETE TABLE
  • DELETE FOREIGN KEY
  • ALTER FOREIGN KEY

Frage 71

Frage
First normal form requires that a database excludes:
Antworten
  • Foreign keys
  • Composite keys
  • Duplicate rows
  • Repeatng groups

Frage 72

Frage
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?
Antworten
  • 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.

Frage 73

Frage
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?
Antworten
  • SET ProduetName = 'glass'
  • LET ProduetName = 'glass'
  • EXEC ProduetName = 'glass'
  • ASSIGN ProduetName = 'glass'

Frage 74

Frage
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?
Image:
Question74 (image/jpeg)
Antworten
  • OptIon A
  • OptIon B
  • OptIon C
  • OptIon D

Frage 75

Frage
On which database structure does an insert statement operate?
Antworten
  • Role
  • Trigger
  • User
  • Stored procedure
  • Table

Frage 76

Frage
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?
Antworten
  • THAT
  • WHERE
  • GROUP BY
  • HAVING

Frage 77

Frage
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?
Image:
Question77 (image/jpeg)
Antworten
  • Option A
  • Option B
  • Option C
  • Option D

Frage 78

Frage
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]
Antworten
  • Verdadero
  • Falso
  • Verdadero
  • Falso
  • Verdadero
  • Falso
  • Verdadero
  • Falso

Frage 79

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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.
Image:
79 (image/png)
Antworten
  • client
  • www.contoso.com
  • s01.contoso.com
  • client
  • www.contoso.com
  • s01.contoso.com

Frage 80

Frage
You have the database table named Cars as deined below:
Image:
80 (image/png)
Antworten
  • 4
  • 5
  • 6
  • 7

Frage 81

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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?
Image:
81 (image/png)
Antworten

Frage 82

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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:
Image:
82 (image/jpeg)
Antworten

Frage 83

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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.
Antworten
  • No change is needed
  • DROP TABLE
  • TRUNCATE TABLE
  • CREATE TABLE

Frage 84

Frage
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?
Antworten
  • TRUNCATE
  • JOIN
  • EXCEPT
  • UNION

Frage 85

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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
Antworten
  • No change is needed
  • DROP TABLE
  • TRUNCATE TABLE
  • ALTER TABLE

Frage 86

Frage
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?
Antworten
  • Primary key
  • Secondary key
  • Foreign key
  • Default Key

Frage 87

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HOTSPOT You have the following table: Adding a [answer choice] on the FlightNumber column physically sorts rows in the by FlightNumber
Image:
Q88 (image/jpeg)
Antworten
  • foreing key
  • clustered index
  • noclustered index

Frage 88

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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
Image:
Q88 (image/jpeg)
Antworten
  • foreing key
  • clustered index
  • noclustered index

Frage 89

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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?
Antworten
  • Foreing Key
  • Index Key
  • Link Key
  • Default Key

Frage 90

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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.
Antworten
  • 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.

Frage 91

Frage
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.
Image:
Q91 (image/jpeg)
Antworten
  • 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

Frage 92

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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.
Image:
Q92 (image/jpeg)
Antworten
  • VARCHAR
  • CHAR
  • INT
  • BIT
  • DECIMAL
  • DATETIME

Frage 93

Frage
The VARCHAR data type contains only numeric characters.
Antworten
  • True
  • False

Frage 94

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The NUMERIC data type contains only numbers that have decimal places.
Antworten
  • True
  • False

Frage 95

Frage
The INT data type contains only whole numbers.
Antworten
  • True
  • False

Frage 96

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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.
Antworten
  • No change is needed
  • Table
  • Index
  • Row

Frage 97

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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.
Antworten
  • No change is needed
  • Zero
  • Three
  • Six

Frage 98

Frage
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?
Antworten
  • Nonclustered index
  • Primary key
  • Foreign key
  • Clustered index

Frage 99

Frage
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.
Image:
Q97 (image/png)
Antworten
  • INT NOT NULL PRIMARY KEY
  • INT NOT NULL FOREING KEY
  • DATE NULL
  • TIMESTAMP NULL
  • IMAGE NULL
  • XML NULL

Frage 100

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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.
Antworten
  • No change is needed
  • UPDATE
  • INSERT
  • CREATE

Frage 101

Frage
You need to rename a column in a database table. Which data deiniton language (DDL) statement should you use?
Antworten
  • ALTER
  • INSERT
  • CREATE
  • UPDATE

Frage 102

Frage
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.
Image:
Q100 (image/jpeg)
Antworten
  • MATH
  • MATH
  • SCIENCE
  • MATH
  • SCIENCE
  • SCIENCE
  • GEOGRAPHY
  • READING
  • HISTORY
  • GEOGRAPHY
  • READING
  • HISTORY
  • GEOGRAPHY
  • READING
  • HISTORY

Frage 103

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

Frage 104

Frage
You need to add rows to a database table. Which Structured Query Language (SQL) keyword should you use?
Antworten
  • JOIN
  • INSERT
  • CREATE
  • UPDATE

Frage 105

Frage
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?
Antworten
  • INTERSECT
  • UNION
  • JOIN
  • TRUNCATE

Frage 106

Frage
You have a database table that contains the following columns, Which two Structured Query Language (SQL) statements can you use? (Choose two.)
Image:
104 (image/jpeg)
Antworten

Frage 107

Frage
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
Antworten
  • No change is needed
  • INTERSECT
  • ALL
  • EXCEPT

Frage 108

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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)
Antworten
  • 1
  • 2
  • 3
  • 4

Frage 109

Frage
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)
Antworten
  • ChapterId
  • LanguageId
  • Country
  • Region
  • City
  • LanguageName

Frage 110

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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.
Antworten
  • True
  • False

Frage 111

Frage
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
Antworten
  • True
  • False

Frage 112

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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
Antworten
  • True
  • False

Frage 113

Frage
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
Antworten
  • True
  • False

Frage 114

Frage
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.
Antworten
  • No change is needed
  • Normalized
  • Truncated
  • Indexed

Frage 115

Frage
You need to delete a database table. Which data definition language (DDL) keyword should you use?
Antworten
  • ALTER
  • DELETE
  • DROP
  • TRUNCATE

Frage 116

Frage
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.
Antworten
  • No change is needed
  • INSERT
  • REPLACE
  • SELECT

Frage 117

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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?
Antworten
  • 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

Frage 118

Frage
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.
Antworten
  • Change is needed
  • Commit
  • Attach
  • Restore

Frage 119

Frage
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
Antworten
  • No change is needed
  • GRANT SELECT
  • LET HEAD
  • PERMIT READ

Frage 120

Frage
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)
Antworten
  • no
  • read-only
  • unlimited

Frage 121

Frage
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)
Antworten
  • no
  • unlimited
  • configuration

Frage 122

Frage
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)
Antworten
  • less
  • more
  • the same

Frage 123

Frage
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] log file backups than the full recovery model
Image:
116 (image/png)
Antworten
  • less
  • more
  • the same

Frage 124

Frage
You can delete data by using a stored procedure
Antworten
  • True
  • False

Frage 125

Frage
A function must have a return value
Antworten
  • True
  • False

Frage 126

Frage
A stored procedure must have a return value
Antworten
  • True
  • False

Frage 127

Frage
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
Antworten
  • No change is needed
  • Queries
  • Stored procedures
  • Tables

Frage 128

Frage
You have two tables named Cars and Color as deined below. The two tables are related by ColorId.
Image:
1 (image/jpeg)
Antworten
  • 0
  • 2
  • 3
  • 6

Frage 129

Frage
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?
Antworten

Frage 130

Frage
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.
Antworten
  • No change is needed
  • DROP TABLE
  • TRUNCATE TABLE
  • CREATE TABLE

Frage 131

Frage
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?
Antworten
  • Money
  • Bit
  • Varchar
  • Binary

Frage 132

Frage
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
Antworten
  • No change is needed
  • Column
  • Data type
  • View

Frage 133

Frage
A SQL Server Login can use Windows Authentication
Antworten
  • True
  • False

Frage 134

Frage
A SQL Server Role provides permissions at the server level
Antworten
  • True
  • False

Frage 135

Frage
A SQL Server Login is granted permissions to database views only
Antworten
  • True
  • False

Frage 136

Frage
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.
Antworten
  • No change is needed
  • 1433 and 1434
  • 411 and 412
  • 67 and 68

Frage 137

Frage
You are creating a database object named Student to store the following data:
Image:
6 (image/jpeg)
Antworten

Frage 138

Frage
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?
Antworten
  • View
  • Table
  • Function
  • Stored procedure

Frage 139

Frage
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.
Antworten
  • No change is needed.
  • Composite keys
  • Duplicate rows
  • Foreign keys

Frage 140

Frage
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)
Antworten
  • Index
  • Union
  • Foreing key
  • Primary key

Frage 141

Frage
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 Address table
Image:
1 (image/png)
Antworten
  • Primary Key
  • Foreing Key
  • UNION
  • Index

Frage 142

Frage
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
Antworten
  • No change is needed
  • ORDER BY
  • UNION
  • WHERE

Frage 143

Frage
A cluestered Index improves the perfomance of queries that [answer choice]
Image:
Q87 (image/jpeg)
Antworten
  • return large result set
  • return a range of values by using the = operator
  • do not use ORDER BY or GROUP BY clauses

Frage 144

Frage
A Clustered index improves the perfomances of queries on column that [answer choice]
Image:
Q87 (image/jpeg)
Antworten
  • are accessed randomly
  • are accessed sequentially
  • are not unique or contain many common values

Frage 145

Frage
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?
Antworten
  • Non-null constraint
  • Default constraint
  • Index
  • Foreign key
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