Sql 查找整个数据库中的字符串

Posted 2020-07-30 ps122

--存储过程

CREATE PROCEDURE [dbo].[SP_FindValueInDB]
(
    @value VARCHAR(1024)
) 
AS
BEGIN
    SET NOCOUNT ON;
    DECLARE @sql VARCHAR(1024) 
    DECLARE @table VARCHAR(64) 
    DECLARE @column VARCHAR(64) 
    CREATE TABLE #t ( 
        tablename VARCHAR(64), 
        columnname VARCHAR(64) 
    ) 
    DECLARE TABLES CURSOR FOR 
    SELECT o.name, c.name FROM syscolumns c 
    INNER JOIN sysobjects o ON c.id = o.id 
    WHERE o.type = ‘U‘ AND c.xtype IN (167, 175, 231, 239) 
    ORDER BY o.name, c.name 
    OPEN TABLES 
        FETCH NEXT FROM TABLES 
        INTO @table, @column 
        WHILE @@FETCH_STATUS = 0 
        BEGIN 
            SET @sql = ‘IF EXISTS(SELECT NULL FROM [‘ + @table + ‘] ‘ 
            SET @sql = @sql + ‘WHERE RTRIM(LTRIM([‘ + @column + ‘])) LIKE ‘‘%‘ + @value + ‘%‘‘) ‘ 
            SET @sql = @sql + ‘INSERT INTO #t VALUES (‘‘‘ + @table + ‘‘‘, ‘‘‘ 
            SET @sql = @sql + @column + ‘‘‘)‘ 
            EXEC(@sql) 
            FETCH NEXT FROM TABLES 
            INTO @table, @column 
        END 
    CLOSE TABLES 
    DEALLOCATE TABLES 
    SELECT * FROM #t 
    DROP TABLE #t 
End

--调用
exec [SP_FindValueInDB] ‘查找字符‘