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    How to use ORDER BY … LIMIT optimization to avoid these problems ORDER BY with LIMIT is most common use of ORDER BY in interactive applications with large data sets being sorted. On many web sites you will fine top tags, recently registered users etc – which would often require ORDER BY with LIMIT in the back end. In general this type of ORDER BY looks like: SELECT ….. WHERE [conditions] ORDER BY [sort] LIMIT N,MMake sure it uses index It



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