46 lines
1.5 KiB
Markdown
Executable File
46 lines
1.5 KiB
Markdown
Executable File
--声明一个变量
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declare @tbname as nvarchar(100);
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--声明一个游标用来遍历查询到的结果
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declare C_userID CURSOR for
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select distinct TABLE_NAME from information_schema.COLUMNS
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where TABLE_NAME like '%_clean'
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--打开游标
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open C_userID;
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--获取游标指向的数据
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fetch next from C_userID into @tbname;
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while @@FETCH_STATUS = 0
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BEGIN
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--执行具体的操作
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--创建非聚集索引
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--create NONCLUSTERED INDEX 索引名称 ON 表名(字段名)
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EXEC('create NONCLUSTERED INDEX '+'IX_'+@tbname+ ' ON '+@tbname+ '([Style] ASC,[aDatetime] DESC)')
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--游标指向下一条数据
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FETCH next from C_userID into @tbname;
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END
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--关闭游标
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CLose C_userID
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--释放游标
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DEALLOCATE C_userID;
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--声明一个变量
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declare @tbname as nvarchar(100);
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--声明一个游标用来遍历查询到的结果
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declare C_userID CURSOR for
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select distinct TABLE_NAME from information_schema.COLUMNS
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where TABLE_NAME like '%_2020_APP'
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--打开游标
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open C_userID;
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--获取游标指向的数据
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fetch next from C_userID into @tbname;
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while @@FETCH_STATUS = 0
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BEGIN
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--执行具体的操作
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--创建非聚集索引
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--create NONCLUSTERED INDEX 索引名称 ON 表名(字段名)
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EXEC('create NONCLUSTERED INDEX '+'IX_'+@tbname+ ' ON '+@tbname+ '([DeviceId] ASC,[CollectTime] DESC)')
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--游标指向下一条数据
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FETCH next from C_userID into @tbname;
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END
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--关闭游标
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CLose C_userID
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--释放游标 DEALLOCATE C_userID; |