摘要:
mysql :select * from( (select count(id)TOTAL1 from B_1)t1,(select count(id)TOTAL2 from B_17_ASR)t2); mysql必须给表添加别名 oralce:select * from (select count( 阅读全文
posted @ 2018-03-25 09:57
伟大帅气的笑笑大人
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