表a
id bid name
1 1 dd
2 1 df
3 2 cc
表b
id name
1 ee
2 rr
通过a.bid=b.id关联
我想通过bid对表a进行分组统计,语句这么写得
select Count(*) as count, bid from a Group By bid where bid>0";
结果为
count bid
2 1 ->怎么显示ee?
1 2 ->怎么显示rr?
查询语句怎么写?
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这个连接查询怎么写
表a id bid name 1 1 dd 2 1 df 3 2 cc 表b id name 1 ee 2 rr 通过a.bid=b.id关联 我想通过bid对表a进行分组统计,语句这么写得 select Count(*) as count, bid from a Group By bid where bid>0"; 结果为 count bid 2 1 ->怎么显示ee? 1 2 ->怎么显示rr? 查询语句怎么写?