獲取SQL SERVER用戶表信息游標_成都软件开发公司

獲取SQL SERVER用戶表信息游標

作者：xiaoxiao
发表时间：2020-12-23 10:58
来源：未知

/*獲取用戶表信息游標*/SET NOCOUNT ONDECLARE find_user_table CURSORFORSELECT [name],crdate FROM sysobjectsWHERE type='U' /*這裡只查詢用戶定義的表*/ORDER BY [name]

DECLARE @cName VARCHAR(128) /*定義儲存表名變量*/DECLARE @crdate DATETIME /*定義表創建日期變量*/DECLARE @Rows INT /*定義表行數變量*/

CREATE TABLE #tmpTable /*創建用來儲存信息的臨時表*/(Tablename VARCHAR(128),crDate datetime,Row INT)OPEN find_user_table /*打開游標*/FETCH NEXT FROM find_user_table INTO @cName,@crdate /*從游標中讀取表名到變量*/WHILE @@FETCH_STATUS=0BEGIN DECLARE @cSql nvarchar(500),@par nvarchar(30) SELECT @par='@nRows INT OUTPUT' SELECT @cSql='SELECT @nRows=COUNT(*) FROM ['+@cName+']' EXECUTE sp_executesql @cSql,@par,@rows OUTPUT /*計算當前表的總行數*/

INSERT INTO #tmpTable valueS(@cName,@crdate,@rows) /*將當前表信息存儲到臨時表*/ FETCH NEXT FROM find_user_table INTO @cName,@crdate /*從游標中讀取表名到變量*/ ENDSELECT * FROM #tmpTable /*顯示所有表信息*/DROP TABLE #tmpTable /*刪除臨時表*/CLOSE find_user_table /*關閉游標*/DEALLOCATE find_user_table /*釋放游標*/