有時(shí)候我們想通過(guò)一個(gè)值知道這個(gè)值來(lái)自數(shù)據(jù)庫(kù)的哪個(gè)表以及哪個(gè)字段,在網(wǎng)上搜了一下,找到一個(gè)比較好的方法,通過(guò)一個(gè)存儲(chǔ)過(guò)程實(shí)現(xiàn)的。只需要傳入一個(gè)想要查找的值,即可查詢出這個(gè)值所在的表和字段名。
前提是要將這個(gè)存儲(chǔ)過(guò)程放在所查詢的數(shù)據(jù)庫(kù)。
CREATE PROCEDURE [dbo].[SP_FindValueInDB]
(
@value VARCHAR(1024)
)
AS
BEGIN
-- SET NOCOUNT ON added to prevent extra result sets from
-- interfering with SELECT statements.
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
更多信息請(qǐng)查看IT技術(shù)專欄