/= (Division Assignment) (Transact-SQL)
Applies to: SQL Server (all supported versions) Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics Analytics Platform System (PDW)
Divides one number by another and sets a value to the result of the operation. For example, if a variable @x equals 34, then
@x /= 2 takes the original value of @x, divides by 2 and sets @x to that new value (17).
expression /= expression
To view Transact-SQL syntax for SQL Server 2014 and earlier, see Previous versions documentation.
Is any valid expression of any one of the data types in the numeric category except the bit data type.
Returns the data type of the argument with the higher precedence. For more information, see Data Type Precedence (Transact-SQL).
For more information, see (Division) (Transact-SQL).
The following example, sets a variable to 17. Then uses the
/= operator to set the variable to half of it's original value.
DECLARE @myVariable DECIMAL(5,2); SET @myVariable = 17.5; SET @myVariable /= 2; SELECT @myVariable AS ResultVariable;
Here is the result set.