• Article

AND (Transact-SQL)

Combines two Boolean expressions and returns TRUE when both expressions are TRUE. When more than one logical operator is used in a statement, the AND operators are evaluated first. You can change the order of evaluation by using parentheses.

Topic link iconTransact-SQL Syntax Conventions

Syntax

boolean_expression AND boolean_expression

Arguments

  • boolean_expression
    Is any valid expression that returns a Boolean value: TRUE, FALSE, or UNKNOWN.

Result Types

Boolean

Result Value

Returns TRUE when both expressions are TRUE.

Remarks

The following chart shows the outcomes when you compare TRUE and FALSE values by using the AND operator.

 

TRUE

FALSE

UNKNOWN

TRUE

TRUE

FALSE

UNKNOWN

FALSE

FALSE

FALSE

FALSE

UNKNOWN

UNKNOWN

FALSE

UNKNOWN