What is set Nocount on in SQL?

Question

When you use SET NOCOUNT ON, the message that indicates the number of rows that are affected by the T-SQL statement is not returned as part of the results. When you use SET NOCOUNT OFF; the count is returned. Using SET NOCOUNT ON can improve performance because network traffic can be reduced.

What is the use of set Nocount on in SQL Server?

SET NOCOUNT ON prevents the sending of DONEINPROC messages to the client for each statement in a stored procedure.

What is set Ansi_nulls on in SQL Server?

When ANSI_NULLS is ON, all comparisons against a null value evaluate to UNKNOWN. When SET ANSI_NULLS is OFF, comparisons of all data against a null value evaluate to TRUE if the data value is NULL. If SET ANSI_NULLS is not specified, the setting of the ANSI_NULLS option of the current database applies.

WHAT IS SET command in SQL?

The SET command is used with UPDATE to specify which columns and values that should be updated in a table.

What is set Fmtonly off in stored procedure?

When SET FMTONLY is OFF (the default), SQL Server processes control-of-flow statements normally. In the case of an IF statement, SQL Server determines which conditional expression evaluates to true and then executes the code associated with that expression.

Expert · Answer