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Once again, Poster has to delete anything in between 10 to 20 million rows a day... delete statement is not a pretty solution no matter how you wrap it.
Massive purging calls for a structure that allows massive purging in an easy, fast and scalable way.
The answer is partition your table and indexes in a way you have to just truncate a single partition a day. Can you find anything easier than that?
Pablo (Paul) Berzukov
Author of Understanding Database Administration available at amazon and other bookstores.
Disclaimer: Advice is provided to the best of my knowledge but no implicit or explicit warranties are provided. Since the advisor explicitly encourages testing any and all suggestions on a test non-production environment advisor should not held liable or responsible for any actions taken based on the given advice.
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