(Divide EQUALS) (Transact-SQL)
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
-- Azure SQL Data Warehouse and Parallel Data Warehouse expression /= expression
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 (Divide) (Transact-SQL).