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huashan8
发表于 2016-11-9 05:57:38
sql随机记录查询
1. Oracle,随机查询20条
select * from
(
select * from 表名
order by dbms_random.value
)
where rownum <= 20;
2.MS SQL Server,随机查询20条
select top 20 * from 表名order by newid()
3.My SQL:,随机查询20条
select * from 表名 order by rand() limit 20
页:
[1]
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sql随机记录查询