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Function Reference

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MAX (Dates)

Returns the latest date found within a field or group. You can apply a filter to limit the rows in the search. You can also use MAX to return the largest numeric value or the highest string value in a field or group.

You can nest only one other aggregate function within MAX.

Use only in

mapping

tasks.

Syntax

MAX( date [, filter_condition] )

Argument	Required/ Optional	Description
date	Required	Date/time data type. Passes the date for which you want to return a maximum date. You can enter any valid transformation expression.
filter_condition	Optional	Limits the rows in the search. The filter condition must be a numeric value or evaluate to TRUE, FALSE, or NULL. You can enter any valid transformation expression.

Return Value

Date.

NULL if all values passed to the function are NULL, or if no rows are selected (for example, the filter condition evaluates to FALSE or NULL for all rows).

Example

You can return the maximum date for a field or group. The following expression returns the maximum order date for flashlights:

MAX( ORDERDATE, ITEM_NAME='Flashlight' )

ITEM_NAME	ORDER_DATE
Flashlight	Apr 20 1998
Regulator System	May 15 1998
Flashlight	Sep 21 1998
Diving Hood	Aug 18 1998
Flashlight	NULL
RETURN VALUE: Sep 21 1998

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Function Reference

Function Reference

MAX (Dates)

MAX (Dates)

Syntax

Return Value

Example