question What is the purpose of the SQL Server ISNULL function

Database

What is the purpose of the SQL Server ISNULL() function?

A. Combine multiple columns
B. Replace NULL values with a specified value
C. Calculate the average value
D. Concatenate multiple rows

'ISNULL()' is used to replace NULL values with a specified value in SQL Server.

What does T-SQL stand for in the context of SQL Server?

A. Table Structured Query Language
B. Transactional SQL
C. Transact-SQL
D. Table SQL

Which SQL function is used to find the total number of rows in a table?

A. COUNT()
B. TOTAL()
C. SUM()
D. ROWCOUNT()

What is the purpose of the SQL UNION operator?

A. Combine rows from two or more tables
B. Sort the result set
C. Combine rows into groups
D. Join multiple tables

What is the purpose of the SQL ORDER BY clause?

A. Filter rows
B. Group rows
C. Sort the result set
D. Combine tables

Which SQL Server data type is used to store a date and time combination?

A. DATETIME
B. DATE
C. TIMESTAMP
D. TIME

What is the purpose of the SQL AS keyword?

A. Filter rows
B. Rename a column or table
C. Sort the result set
D. Combine rows into groups

What is the purpose of the SQL WHERE clause?

A. Specify the columns to be selected
B. Filter rows based on a condition
C. Sort the result set
D. Join multiple tables

What is the purpose of the SQL Server SELECT TOP clause?

A. Filter rows
B. Sort the result set
C. Limit the number of rows returned
D. Join multiple tables

Which SQL statement is used to remove a user's privileges in MySQL?

A. REMOVE PRIVILEGES
B. DELETE PRIVILEGES
C. DROP PRIVILEGES
D. REVOKE

What is the default sorting order of the ORDER BY clause in SQL?

A. Ascending
B. Descending
C. Random
D. Alphabetical