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  2. MIDRANGE-L
  3. February 2012

Re: Update "orphan" entries with SQL

Tom -

I always first run a SELECT statement in order to review the records that will be getting updated. After I review the result of the query, I then change it to an UPDATE statement.

FIrst:

SELECT *from trans
where not exists (select * from master where mcono=tcono and mcust=tcust and
mtickn=ttickn and mdate=tdate)

Then:

Update trans a set tsts = 'O'
where not exists (select * from master where mcono=tcono and mcust=tcust and
mtickn=ttickn and mdate=tdate)

- sjl




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