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Message Posted: Fri, 11 Jul 2003 @ 14:51:14 GMT





     
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Subj:   Re: Another FastExport and FastLoad question (syntax)
 
From:   Fred W Pluebell



"Heying, Jerold G" wrote:

  If you are trying to duplicate a table within the same Teradata system, you can create the table and populate it with one simple DDL statement...  



Be careful!

CREATE TABLE t1 AS (SELECT * FROM t2) ...


defines columns to match the spool file, but it does NOT preserve other information about the original table - index definitions (not even PI), SET/MULTISET, etc.

If you want to copy a table, consider the even simpler form

CREATE TABLE t1 AS t2 WITH DATA;


Or do the CREATE "WITH NO DATA", then INSERT/SELECT with a WHERE clause to filter.





     
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