用distinct在MySQL中查詢多條不重複記錄值
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select *, count(distinct name) from table group by name
結果:
id name count(distinct name)
1 a 1
2 b 1
3 c 1
group by 必須放在 order by 和 limit之前，不然會報錯.
更簡單的解決方法:
select id, name from table group by name
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