sql mandatory use of the index

Others 2019-10-11 13:19:42 views: null

If the index is not used in the sql effect, you can use FORCE INDEX (index), to force the use of the index:

Example:

　　SELECT COUNT(DEAL_STAT) FROM c_pac FORCE INDEX (IDX_PACKET_DEAL_STAT)

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Origin www.cnblogs.com/cnndevelop/p/11652724.html

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