ASA SQL Reference
  SQL Functions
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DATEADD function [Date and time]

Function 

Returns the date produced by adding a number of the date parts to a date.

Syntax 

DATEADD ( date-part, numeric-expression, date-expression )

date-part :
year | quarter | month | week | day | hour | minute | second | millisecond

Parameters 

date-part    The date-part to be added to the date..

For more information about date-parts, see Date parts.

numeric-expression    The number of date-parts to be added to the date. The numeric_expression can be any numeric type, but the value is truncated to an integer.

date-expression    The date to be modified.

Standards and compatibility 

• SQL/92    Vendor extension.

• SQL/99    Vendor extension.

• Sybase    Compatible with Adaptive Server Enterprise.

Example 

• The following statement returns the value: 1995-11-02 00:00:00.0.

SELECT dateadd( month, 102, '1987/05/02' )