question Which Oracle data type is used to store large text values

In SQL Server, what is the purpose of the TRIGGER?

A. Generate a sequence of numbers
B. Execute a set of statements in response to an event
C. Establish a link between two tables
D. Enforce a unique constraint

Which SQL Server statement is used to create an index on a table?

A. ADD INDEX
B. CREATE INDEX
C. INDEX TABLE
D. ALTER INDEX

In SQL Server, what is the purpose of the UNPIVOT operator?

A. Combine rows from two or more tables
B. Rotate columns into rows based on values in a specified column
C. Sort the result set
D. Join multiple tables

What is the purpose of the SQL Server RAISEERROR statement?

A. Suppress errors in a query
B. Display a custom error message
C. Count the number of errors in a query
D. Create a temporary error table

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

A. Find the average value
B. Find the length of a string
C. Find the position of a substring in a string
D. Concatenate multiple strings

Which SQL Server function is used to find the difference between two dates?

A. DIFFDATEDAYS()
B. DATEDIFF()
C. DIFFDATE()
D. DATE_DIFF()

Which SQL Server statement is used to add a new row to a table?

A. INSERT INTO
B. ADD ROW
C. NEW ROW
D. CREATE ROW

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

In SQL Server, what is the purpose of the CASE statement?

A. Filter rows based on a condition
B. Sort the result set
C. Combine rows into groups
D. Perform conditional logic in a query

What is the purpose of the SQL Server SET NOCOUNT ON statement?

A. Count the number of rows affected by a query
B. Suppress the count of the number of rows affected by a query
C. Count the total number of rows in a table
D. Disable the use of COUNT function

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