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Message Posted: Wed, 17 Jan 2007 @ 13:27:32 GMT


     
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Subj:   Re: Question regarding dummy table
 
From:   Anomy Anom

<-- Anonymously Posted: Wednesday, January 17, 2007 08:31 -->

There is no system-defined one-row, one-column table in Teradata. If you create one of your own, be sure to declare the dummy column a UPI and to specify that single PI value in your SELECTs for best performance.

Someone else recently suggested

     SELECT ... FROM SYS_Calendar.Calendar
         WHERE Calendar_Date = Current_Date;


     
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