Aug 16, 2011. You don't want to do a join per se, you're merely testing for existence/set inclusion. I don't know what current flavor of SQL you're coding in, but.
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Remove duplicate values in FULL OUTER JOIN – SQL Server Q&A. – how can remove duplicate rows in below procedure. in TBLTicketAnswers i have some record with same TicketID and i don't want to display.
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Feb 6, 2013. My first attempt to remove the duplicates was to add the DISTINCT. that I was joining had one to many relationships with rows in other tables.
Aug 26, 2010. The following query will return two rows for the "Apple Turnover" recipe, the " duplicates" are coming from as someone unfamiliar with SQL.
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Apr 19, 2007. The above FULL OUTER JOIN will effectively "merge" the two tables. of losing datadue to the union's side-effect of removing duplicate rows. It's simply good SQL to write your queries in a clean, well structured manner.