Update from Sync Service

OneNote/数据库知识库/工具脚本/批量增加非聚集索引.md

@@ -0,0 +1,46 @@
+--声明一个变量  
+declare @tbname as nvarchar(100);  
+--声明一个游标用来遍历查询到的结果  
+declare C_userID CURSOR for  
+select distinct TABLE_NAME from information_schema.COLUMNS  
+where TABLE_NAME like '%_clean'  
+--打开游标  
+open C_userID;  
+--获取游标指向的数据  
+fetch next from C_userID into @tbname;  
+while @@FETCH_STATUS = 0  
+BEGIN  
+--执行具体的操作  
+--创建非聚集索引  
+--create NONCLUSTERED INDEX 索引名称 ON 表名(字段名)  
+EXEC('create NONCLUSTERED INDEX '+'IX_'+@tbname+ ' ON '+@tbname+ '([Style] ASC,[aDatetime] DESC)')  
+--游标指向下一条数据  
+FETCH next from C_userID into @tbname;  
+END  
+--关闭游标  
+CLose C_userID  
+--释放游标  
+DEALLOCATE C_userID;
+ 
+--声明一个变量  
+declare @tbname as nvarchar(100);  
+--声明一个游标用来遍历查询到的结果  
+declare C_userID CURSOR for  
+select distinct TABLE_NAME from information_schema.COLUMNS  
+where TABLE_NAME like '%_2020_APP'  
+--打开游标  
+open C_userID;  
+--获取游标指向的数据  
+fetch next from C_userID into @tbname;  
+while @@FETCH_STATUS = 0  
+BEGIN  
+--执行具体的操作  
+--创建非聚集索引  
+--create NONCLUSTERED INDEX 索引名称 ON 表名(字段名)  
+EXEC('create NONCLUSTERED INDEX '+'IX_'+@tbname+ ' ON '+@tbname+ '([DeviceId] ASC,[CollectTime] DESC)')  
+--游标指向下一条数据  
+FETCH next from C_userID into @tbname;  
+END  
+--关闭游标  
+CLose C_userID  
+--释放游标   DEALLOCATE C_userID;