First - Teradata Warehouse Miner

Teradata Warehouse Miner User Guide - Volume 2ADS Generation

Product
Teradata Warehouse Miner
Release Number
5.4.5
Published
February 2018
Language
English (United States)
Last Update
2018-05-03
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qhj1503087326201.ditamap
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B035-2301
Product Category
Software
Calling this function returns the oldest value of a column or expression, based on the timecode. When dragging a First element into a variable, the following tree element is created.
Variable Creation > Input > Variables: SQL Elements pane - Aggregation > Time Series > First Value

A Column or other non-aggregate expression can be moved over the (empty-Value Expression) branch of the tree.