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A comment on Ask HN: What's the worst you've ever screwed up at work?. Parent comment

Re:Ask HN: What's the worst you've ever screwed up at work? by Davertron on Wednesday January 29, 2014 @12:52PM (#7145486)
I've done similar and now I almost always write a select first and then only after I've verified I'm getting the rows that I expect do I update my query to an update/delete.
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