導讀:1建站知識此TSQL語句是針對SQL Server 2012編寫。如果使用之前版本，需要對部分語句進行重寫。個業網站建設公司網站建設多少錢。

復制代碼 代碼如下:

USE [數據庫名稱]; --1.定義需要查找的關鍵字。在搜索中，使用模糊搜索：LIKE '%@key_find%' DECLARE @key_find NVARCHAR(MAX) = '123';--假設是找字符串"123" --2.用游標Cursor_Table，遍歷所有表 DECLARE Cursor_Table CURSOR FOR SELECT name fr網站建設哪家好om sysobjects WHERE xtype = 'u' AND name <> 'dtproperties'; OPEN Cursor_Table; DECLARE @tableName NVARCHAR(MAX); FETCH NEXT fr網站建設制作om Cursor_Table INTO @tableName; WHILE @@fetch_status = 0 BEGIN DECLARE @tempSQLText NVARCHAR(MAX) = ''; --3.在表中，用游標columnCursor，遍歷所有字段。注意，只遍歷字符串類型的字段（列） DECLARE columnCursor CURSOR FOR SELECT Name FROM SysColumns WHERE ID = Object_Id( @tableName ) and ( xtype = 35 or --text xtype = 99 or --ntext xtype = 167 or --varchar xtype = 175 or --char xtype = 231 or --nvarchar xtype = 239 or --nchar xtype = 241 --xml ) OPEN columnCursor; DECLARE @columnName NVARCHAR(MAX); FETCH NEXT from columnCursor INTO @columnName; WHILE @@fetch_status = 0 BEGIN --4.在表的字段中，對每一行進行模糊搜索，并輸出找到的信息。 DECLARE @DynamicSQLText NVARCHAR(MAX) = 'IF ( EXISTS ( SELECT * FROM [' + @tableName + '] WHERE [' + @columnName + '] LIKE ''%' + @key_find + '%'' ) ) BEGIN DECLARE @CurrentTableCount Bigint = ( SELECT COUNT(*) From [' + @tableName + '] ); PRINT ''Find : Table [' + @tableName + '], Column [' + @columnName + '], Row Count:'' + CAST( @CurrentTableCount AS NVARCHAR(MAX) ) + ''.''; END'; EXEC( @DynamicSQLText ); FETCH NEXT from columnCursor INTO @columnName END exec(@tempSQLText); CLOSE columnCursor; DEALLOCATE columnCursor; FETCH NEXT from Cursor_Table INTO @tabl網站seo優化軟件eName; END CLOSE Cursor_Table; DEALLOCATE Cursor_Table;

關鍵詞標簽: 字符串 表里