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+= (Add EQUALS) (Transact-SQL)

Adds two numbers and sets a value to the result of the operation. For example, if a variable @x equals 35, then @x += 2 takes the original value of @x, add 2 and sets @x to that new value (37).

Topic link iconTransact-SQL Syntax Conventions

Syntax

expression +=expression

Arguments

  • expression
    Is any valid expression of any one of the data types in the numeric category except the bit data type.

Result Types

Returns the data type of the argument with the higher precedence. For more information, see Data Type Precedence (Transact-SQL).

Remarks

For more information, see + (Add) (Transact-SQL).