mysql⼀条sql查询多个表数据量select
(select count(*) from device0 where status != 0),
(select count(*) from device1 where status != 0),
勇士总冠军(select count(*) from device2 where status != 0),
(select count(*) from device3 where status != 0),
(select count(*) from device4 where status != 0),
(select count(*) from device5 where status != 0),
(select count(*) from device6 where status != 0),
xss画面设置
(select count(*) from device7 where status != 0),
(select count(*) from device8 where status != 0),
编程培训招生方案
(select count(*) from device9 where status != 0)
as count
select
(select count(*) from device0 where status != 0)+mysql语句多表查询
(select count(*) from device1 where status != 0)+
(select count(*) from device2 where status != 0)+
(select count(*) from device3 where status != 0)+
告诉的数组次数告诉的数组词(select count(*) from device4 where status != 0)+
(select count(*) from device5 where status != 0)+
(select count(*) from device6 where status != 0)+osi七层和tcp4层关系
(select count(*) from device7 where status != 0)+
(select count(*) from device8 where status != 0)+
(select count(*) from device9 where status != 0)
as count

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