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Asked: 2026-05-30T22:54:15+00:00

I want to know what is the difference in between mysql_num_rows and mysql_affected_rows .How

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I want to know what is the difference in between mysql_num_rows and mysql_affected_rows.How to know when it should use.Any help and suggestions will be highly appreciable.Examples are most welcome.

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1 Answer

  1. Editorial Team

    Use mysql_num_rows for SELECT queries while mysql_affected_rows for UPDATE and DELETE queries.

    • mysql_num_rows tells you how many records were returned from a SELECT query
    • mysql_affected_rows tells you how many rows were UPDATEed or DELETEed
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