mysql查询进行全表扫描

时间:2016-10-26 10:08:39

标签: mysql

UPDATE APA_Pended_Demand apd
INNER JOIN APA_Generic_Demand_Details agd
    ON agd.demandID = apd.demandID 
SET apd.genericDemandId = agd.genericDemandId
WHERE apd.isPend = 1 AND
      agd.genericDemandId != '' AND
      agd.genericDemandId IS NOT NULL AND
      apd.reactivateDate > UTC_TIMESTAMP() AND
      agd.status < 300 AND
      apd.ID BETWEEN 280001 AND 290000 ;

上面的查询是针对全表扫描的。所以任何人都可以帮我排序这个查询

0 个答案:

没有答案