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Archives of the TeradataForumMessage Posted: Fri, 20 Jul 2007 @ 15:09:30 GMT
While running a query to check-up on the internal usage of standard naming, I elected to use some SET processing and got a good return using the (superior) Teradata extension: MINUS. When I tried the query with the ANSI standard of EXCEPT the query failed. It looks like the extended logic in the select statement is behind the failure. I'd prefer using the ANSI standard syntax - if at all possible Any thoughts on how to make this work with ANSI standard syntax? Note: at this time I am not prepared to use Mr. Martinez's standing recommendation: Sacrifice a goat on the keyboard, then run the query. SQL in question: select databasename , substring( trim(tablename) , 1 , (index (tablename, '_xxx' ) - 1 ) ) as tblnm , columnname , indexnumber from dbc.indices where databasename = 'zzztd756' and indexnumber = 1 and trim(tablename) like '%$old_xxx' MINUS /** NOTE when EXCEPT fails, the extremely useful 3706 error message is returned ***/ select databasename, trim(tablename) as tblnm , columnname, indexnumber from dbc.indices where databasename = 'zzztd756' and indexnumber = 1 and trim(tablename) like '%$old' order by 1, 2, 3 Thanks, Bill Gregg
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