mysql SQL_CALC_FOUND_ROWS的用途

MySQL SQL_CALC_FOUND_ROWS 能夠用在查詢數據的時候，避免再次去組裝SQL查詢記錄數。web select SQL_CALC_FOUND_ROWS * FROM a1 left join b1 on a1.id=b1.aid WHERE 1 LIMIT 5,20 SELECT FOUND_ROWS();

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