&& (Logical AND) (SSIS Expression)
Applies to: 
SQL Server
SSIS Integration Runtime in Azure Data Factory
Performs a logical AND operation. The expression evaluates to TRUE if all conditions are TRUE.
Syntax
boolean_expression1 && boolean_expression2
Arguments
boolean _expression1, boolean_expression2
Is any valid expression that evaluates to TRUE, FALSE, or NULL.
Result Types
DT_BOOL
Remarks
The following table shows the result of the && operator.
| Result | Expression | Expression |
|---|---|---|
| TRUE | TRUE | TRUE |
| FALSE | TRUE | FALSE |
| FALSE | FALSE | FALSE |
| NULL | NULL | NULL |
| NULL | NULL | TRUE |
| FALSE | NULL | FALSE |
Expression Examples
This example uses the StandardCost and the ListPrice columns. The example evaluates to TRUE if the value of the StandardCost column is less than 300 and the ListPrice column is greater than 500.
StandardCost < 300 && ListPrice > 500
This example uses the variables SPrice and LPrice instead of literals.
StandardCost < @SPrice && ListPrice > @LPrice
See Also
& (Bitwise AND) (SSIS Expression)
Operator Precedence and Associativity
Operators (SSIS Expression)