Stuart McLachlan
stuart at lexacorp.com.pg
Mon Jan 22 21:34:23 CST 2007
On 22 Jan 2007 at 22:00, JWColby wrote: > I want to eliminate any records in tblSurvey where the PKID is not found in > tblAZ. The PKs from tblSurvey and tblAZ both came from Big Table. Thus it > is a classic "not in", where I want to eliminate records in tblSurvey where > PKID is inner joined to tblAZ, and where tblAZ PKID is null. > If it's an Inner Join, there will be no records in tblAZ where PKID is null! > Unfortunately, SQL Server says that such a "not in" query is not updateable, > which means I can't delete records in tblSurvey, nor can I create a blank > field which I update to True if the PK is not in tblAZ. > > Why is this query not updateable, and how do I accomplish my objective? What is your SQL? This will work: delete from tblSurvey from tblSurvey left join tblAZ on tblSurvey.pkid = tblAZ.pkid where tblAZ.pkid is null