查找某个值存在于哪个表
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
--try to find out table numbers with certain number of records, and list then
SELECT count(9) tableNumbers,b.rows RecordRows
FROM sysobjects AS a INNER JOIN sysindexes AS b ON a.id=b.id
WHERE (a.type='U') AND (b.indid IN(0,1))
AND b.rows >2 AND b.rows<5
GROUP by b.rows
--select table name which the table contains certain record in it. and list the table and record number
SELECT a.name tableName,b.rows recordRows
FROM sysobjects AS a INNER JOIN sysindexes AS b ON a.id=b.id
WHERE (a.type='U') -- type is the table type, U means user create table
AND (b.indid IN(0,1)) -- indid is the index type
AND b.rows>1000;
