电脑做网站服务器教程,做电视直播网站,做品牌网站的企业,极客联盟网站建设公司怎么样EXPLAIN
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select s.* from student s where s.sid in ( select sid from sc where sc.cid 0 and sc.score 100);
show WARNINGS;EXPLAIN
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select s.* from student s where s.sid in ( select sid from sc where sc.cid 0 and sc.score 100);
show WARNINGS;
