Edit

&& (AND) (Entity SQL)

  • Article

Returns true if both expressions are true; otherwise, false or NULL.

Syntax

boolean_expression AND boolean_expression

or

boolean_expression && boolean_expression

Arguments

boolean_expression
Any valid expression that returns a Boolean.

Remarks

Double ampersands (&&) have the same functionality as the AND operator.

The following matrix shows possible input value combinations and return values.

TRUE FALSE NULL
TRUE TRUE FALSE NULL
FALSE FALSE FALSE FALSE
NULL NULL FALSE NULL

Example

The following Entity SQL query demonstrates how to use the AND operator. The query is based on the AdventureWorks Sales Model. To compile and run this query, follow these steps:

  1. Follow the procedure in How to: Execute a Query that Returns StructuralType Results.

  2. Pass the following query as an argument to the ExecuteStructuralTypeQuery method:

-- AND
SELECT VALUE product FROM AdventureWorksEntities.Products
    AS product where product.ListPrice >  @price1 AND product.ListPrice <  @price2
-- &&
SELECT VALUE product FROM AdventureWorksEntities.Products
    AS product where product.ListPrice > @price1 && product.ListPrice < @price2

See also