[英]I have a query in SQL Server, it takes much time to execute
PFB我的查询计划
我的查询输出
我需要基于所有分配/活动回合获取所有团队成员详细信息
我想优化查询。 PFB我的查询。
SELECT Ass.strassociatename,
Ass.strphotolink,
team.strteamname,
team.strteamlogo,
edu.streducationalinstitute,
rounds.strroundname
FROM ccs_vas_tbl_associates Ass,
ccs_vas_tbl_teams team,
ccs_vas_tbl_educationalinstitutes edu,
ccs_vas_tbl_rounds rounds,
ccs_vas_tbl_roundassignment roundass
WHERE team.iteamid = 64
AND ass.iteamid = team.iteamid
AND team.ieducationalinstituteid = edu.iinstituteid
AND Ass.icompetitionid = rounds.icompetitionid
AND roundass.strroundstatus = 'Assigned'
AND roundass.iroundid = rounds.iroundid
AND roundass.iteamid = team.iteamid
可以试试这个
SELECT Ass.strassociatename,
Ass.strphotolink,
team.strteamname,
team.strteamlogo,
edu.streducationalinstitute,
rounds.strroundname
FROM ccs_vas_tbl_associates Ass
JOIN ccs_vas_tbl_teams team ON ass.iteamid = team.iteamid
JOIN ccs_vas_tbl_educationalinstitutes edu ON team.ieducationalinstituteid = edu.iinstituteid
JOIN ccs_vas_tbl_rounds rounds ON Ass.icompetitionid = rounds.icompetitionid
JOIN ccs_vas_tbl_roundassignment roundass ON roundass.iroundid = rounds.iroundid AND roundass.iteamid = team.iteamid
WHERE team.iteamid = 64 AND roundass.strroundstatus = 'Assigned'
您也可以尝试UPDATE STATISTICS
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.