END
(
OPEN columnCursor;
xtype = 35 or --text
--1.定义需要查找的关键字。在搜索中，使用模糊搜索：LIKE '%@key_find%'
USE [数据库名称];
DECLARE columnCursor CURSOR FOR
SELECT Name FROM SysColumns WHERE ID = Object_Id( @tableName ) and
FETCH NEXT from Cursor_Table INTO @tableName;
DECLARE @key_find NVARCHAR(MAX) = '123';--假设是找字符串"123"
SELECT name from sysobjects WHERE xtype = 'u' AND name <> 'dtproperties';
exec(@tempSQLText);

FETCH NEXT from columnCursor INTO @columnName
xtype = 99 or --ntext
CLOSE columnCursor;
--4.在表的字段中，对每一行进行模糊搜索，并输出找到的信息。

DECLARE @columnName NVARCHAR(MAX);
xtype = 231 or --nvarchar
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';
--2.用游标Cursor_Table，遍历所有表

--3.在表中，用游标columnCursor，遍历所有字段。注意，只遍历字符串类型的字段（列）
DECLARE Cursor_Table CURSOR FOR
xtype = 241 --xml
DEALLOCATE columnCursor;

xtype = 239 or --nchar

复制代码 代码如下:

WHILE @@fetch_status = 0
EXEC( @DynamicSQLText );
BEGIN
)
DECLARE @tableName NVARCHAR(MAX);
xtype = 175 or --char
CLOSE Cursor_Table;
WHILE @@fetch_status = 0
DECLARE @tempSQLText NVARCHAR(MAX) = '';
BEGIN
FETCH NEXT from Cursor_Table INTO @tableName;
DEALLOCATE Cursor_Table;
END

OPEN Cursor_Table;
xtype = 167 or --varchar
FETCH NEXT from columnCursor INTO @columnName;