order by newid() 随机查询
2010-08-09 10:55
239 查看
SQL Server:
Select TOP N * From TABLE Order By NewID()
view plaincopy to clipboardprint?
Select TOP N * From TABLE Order By NewID()
Select TOP N * From TABLE Order By NewID()
NewID()函数将创建一个 uniqueidentifier 类型的唯一值。上面的语句实现效果是从Table中随机读取N条记录。
Access:
Select TOP N * From TABLE Order By Rnd(ID)
view plaincopy to clipboardprint?
Select TOP N * From TABLE Order By Rnd(ID)
Select TOP N * From TABLE Order By Rnd(ID)
Rnd(ID) 其中的ID是自动编号字段,可以利用其他任何数值来完成,比如用姓名字段(UserName)
Select TOP N * From TABLE Order BY Rnd(Len(UserName))
view plaincopy to clipboardprint?
Select TOP N * From TABLE Order BY Rnd(Len(UserName))
Select TOP N * From TABLE Order BY Rnd(Len(UserName))
MySql:
Select * From TABLE Order By Rand() Limit 10
view plaincopy to clipboardprint?
Select * From TABLE Order By Rand() Limit 10
Select * From TABLE Order By Rand() Limit 10
postgreSQL:
select * from glxt022 order by random() limit 5
view plaincopy to clipboardprint?
select * from glxt022 order by random() limit 5
Select TOP N * From TABLE Order By NewID()
view plaincopy to clipboardprint?
Select TOP N * From TABLE Order By NewID()
Select TOP N * From TABLE Order By NewID()
NewID()函数将创建一个 uniqueidentifier 类型的唯一值。上面的语句实现效果是从Table中随机读取N条记录。
Access:
Select TOP N * From TABLE Order By Rnd(ID)
view plaincopy to clipboardprint?
Select TOP N * From TABLE Order By Rnd(ID)
Select TOP N * From TABLE Order By Rnd(ID)
Rnd(ID) 其中的ID是自动编号字段,可以利用其他任何数值来完成,比如用姓名字段(UserName)
Select TOP N * From TABLE Order BY Rnd(Len(UserName))
view plaincopy to clipboardprint?
Select TOP N * From TABLE Order BY Rnd(Len(UserName))
Select TOP N * From TABLE Order BY Rnd(Len(UserName))
MySql:
Select * From TABLE Order By Rand() Limit 10
view plaincopy to clipboardprint?
Select * From TABLE Order By Rand() Limit 10
Select * From TABLE Order By Rand() Limit 10
postgreSQL:
select * from glxt022 order by random() limit 5
view plaincopy to clipboardprint?
select * from glxt022 order by random() limit 5
相关文章推荐
- order by newid() 随机查询
- order by newid() 各种数据库随机查询的方法
- order by newid() sql随机查询
- order by newid() 随机查询
- order by newid() 随机查询
- MYSQL随机抽取查询 MySQL Order By Rand()效率问题
- mysql order by rand() 效率,mysql 随机查询
- MYSQL随机抽取查询 MySQL Order By Rand()效率问题
- SQL Server 使用Order by newID()返回随机数据
- sql随机查询:order by rand()
- MYSQL随机抽取查询 MySQL Order By Rand()效率问题
- mysql查询报错: ORDER BY clause is not in GROUP BY..this is incompatible with sql_mode=only_full_group_by
- MyBatis order by 动态参数时或使用Like查询时用$而不是#
- 在SELECT DISTINCT 状况下使用 Order BY Newid() 随机数选出记录
- Entity SQL Language 四 OrderBy/部分查询结果
- 用了union all时如何用order by newid()?
- SQL 分页支持查询 ROW_NUMBER() OVER (ORDER BY ReportID) AS RowNo
- mysql 5.7.15 union order by 子查询排序不生效
- 记一次order by desc limit导致的查询慢 推荐