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WGU D427 DATA MANAGEMENT APPLICATIONS OA EXAM LATEST 2024 ACTUAL QUESTIONS WITH DETAILED ANSWERS /A+ GRADE ASSURED $22.99
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WGU D427 DATA MANAGEMENT APPLICATIONS OA EXAM LATEST 2024 ACTUAL QUESTIONS WITH DETAILED ANSWERS /A+ GRADE ASSURED

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WGU D427 DATA MANAGEMENT APPLICATIONS OA EXAM LATEST 2024 ACTUAL QUESTIONS WITH DETAILED ANSWERS /A+ GRADE ASSURED

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  • June 10, 2024
  • 145
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

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  • wgu d427 data management applications oa

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  • WGU D427 DATA MANAGEMENT APPLICATIONS OA
  • WGU D427 DATA MANAGEMENT APPLICATIONS OA

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WGU D427 DATA MANAGEMENT APPLICATIONS OA EXAM LATEST 2024
ACTUAL QUESTIONS WITH DETAILED ANSWERS /A+ GRADE ASSURED




• Which SQL statement is used to create a database?

• A. CREATE DB
• B. CREATE DATABASE
• C. MAKE DATABASE
• D. CREATE DATABASE

• What does SQL stand for?

• A. Structured Query List
• B. Structured Query Language
• C. Simple Query Language
• D. Structured Query Language

• Which SQL statement is used to delete data from a database?

• A. REMOVE
• B. DELETE
• C. DROP
• D. DELETE

• How can you change "Hansen" into "Nilsen" in the "LastName"
column in the Persons table?

• A. MODIFY Persons SET LastName='Nilsen' WHERE
LastName='Hansen'
• B. UPDATE Persons SET LastName='Nilsen' WHERE
LastName='Hansen'
• C. UPDATE Persons SET LastName='Hansen' WHERE
LastName='Nilsen'

, • D. UPDATE Persons SET LastName='Nilsen' WHERE
LastName='Hansen'

• Which SQL statement is used to insert new data in a database?

• A. ADD RECORD
• B. INSERT INTO
• C. ADD NEW
• D. INSERT INTO

• How do you select all the columns from a table named "Persons"?

• A. SELECT * FROM Persons
• B. SELECT Persons
• C. SELECT ALL FROM Persons
• D. SELECT * FROM Persons

• How do you select all the records from a table named "Customers"
where the "City" column has the value "London"?

• A. SELECT * FROM Customers WHERE City = 'London'
• B. SELECT * FROM Customers WHERE City IS 'London'
• C. SELECT * FROM Customers WHERE City LIKE 'London'
• D. SELECT * FROM Customers WHERE City = 'London'

• Which SQL function is used to count the number of rows in a SQL
query?

• A. COUNT()
• B. NUMBER()
• C. SUM()
• D. COUNT()

• What is a primary key?

• A. A key that uniquely identifies each record in a table
• B. A key that combines multiple records

, • C. A key that stores large objects
• D. A key that uniquely identifies each record in a table

• What is a foreign key?

• A. A key used to link two tables together
• B. A key that provides a foreign language translation
• C. A key used to add constraints
• D. A key used to link two tables together

• How do you return the number of records in the "Orders" table?

• A. SELECT COUNT(*) FROM Orders
• B. SELECT NUMBER(*) FROM Orders
• C. SELECT SUM(*) FROM Orders
• D. SELECT COUNT(*) FROM Orders

• Which SQL statement is used to retrieve data from a database?

• A. GET
• B. OPEN
• C. EXTRACT
• D. SELECT

• What is the purpose of the SQL AS clause?

• A. To create aliases for tables or columns
• B. To remove columns
• C. To perform arithmetic operations
• D. To create aliases for tables or columns

• Which keyword is used to sort the result-set in ascending order?

• A. ORDER
• B. SORT
• C. ORDER BY ASC
• D. ORDER BY ASC

, • Which of the following is a valid SQL data type?

• A. String
• B. Boolean
• C. Number
• D. Boolean

• Which SQL clause is used to filter records?

• A. FILTER
• B. WHERE
• C. SELECT
• D. WHERE

• How do you create a backup of a database in SQL?

• A. BACKUP DATABASE
• B. COPY DATABASE
• C. EXPORT DATABASE
• D. BACKUP DATABASE

• What is the purpose of the SQL DROP statement?

• A. To delete a database
• B. To delete a table
• C. To delete an index
• D. To delete a table

• Which SQL keyword is used to retrieve unique records?

• A. DISTINCT
• B. UNIQUE
• C. ONLY
• D. DISTINCT

• How do you add a new column to an existing table?

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