2
所以我试图找出这个值存储在这个数据库中的位置。有没有办法在数据库中的所有表上查询并返回包含特定值的所有行,其中包含该特定值的字段名称是未知的?查询包含值的所有字段的所有表格
例如:
select * from * where unknown_field_name = 'x'
所以我试图找出这个值存储在这个数据库中的位置。有没有办法在数据库中的所有表上查询并返回包含特定值的所有行,其中包含该特定值的字段名称是未知的?查询包含值的所有字段的所有表格
例如:
select * from * where unknown_field_name = 'x'
检查this出来: -
CREATE PROC SearchAllTables
(
@SearchStr nvarchar(100)
)
AS
BEGIN
-- Copyright © 2002 Narayana Vyas Kondreddi. All rights reserved.
-- Purpose: To search all columns of all tables for a given search string
-- Written by: Narayana Vyas Kondreddi
-- Site: http://vyaskn.tripod.com
-- Tested on: SQL Server 7.0 and SQL Server 2000
-- Date modified: 28th July 2002 22:50 GMT
CREATE TABLE #Results (ColumnName nvarchar(370), ColumnValue nvarchar(3630))
SET NOCOUNT ON
DECLARE @TableName nvarchar(256), @ColumnName nvarchar(128), @SearchStr2 nvarchar(110)
SET @TableName = ''
SET @SearchStr2 = QUOTENAME('%' + @SearchStr + '%','''')
WHILE @TableName IS NOT NULL
BEGIN
SET @ColumnName = ''
SET @TableName =
(
SELECT MIN(QUOTENAME(TABLE_SCHEMA) + '.' + QUOTENAME(TABLE_NAME))
FROM INFORMATION_SCHEMA.TABLES
WHERE TABLE_TYPE = 'BASE TABLE'
AND QUOTENAME(TABLE_SCHEMA) + '.' + QUOTENAME(TABLE_NAME) > @TableName
AND OBJECTPROPERTY(
OBJECT_ID(
QUOTENAME(TABLE_SCHEMA) + '.' + QUOTENAME(TABLE_NAME)
), 'IsMSShipped'
) = 0
)
WHILE (@TableName IS NOT NULL) AND (@ColumnName IS NOT NULL)
BEGIN
SET @ColumnName =
(
SELECT MIN(QUOTENAME(COLUMN_NAME))
FROM INFORMATION_SCHEMA.COLUMNS
WHERE TABLE_SCHEMA = PARSENAME(@TableName, 2)
AND TABLE_NAME = PARSENAME(@TableName, 1)
AND DATA_TYPE IN ('char', 'varchar', 'nchar', 'nvarchar')
AND QUOTENAME(COLUMN_NAME) > @ColumnName
)
IF @ColumnName IS NOT NULL
BEGIN
INSERT INTO #Results
EXEC
(
'SELECT ''' + @TableName + '.' + @ColumnName + ''', LEFT(' + @ColumnName + ', 3630)
FROM ' + @TableName + ' (NOLOCK) ' +
' WHERE ' + @ColumnName + ' LIKE ' + @SearchStr2
)
END
END
END
SELECT ColumnName, ColumnValue FROM #Results
END
如果这种查询是重复的查询,而不是一次完成或偶尔的查询 - 您可能需要考虑启用全文搜索。但是否则这个答案似乎是你需要的; – Rawheiser
http://blogs.thesitedoctor.co.uk/tim/2010/02/19/Search+Every+Table +和+字段+在+ A + SQL +服务器+数据库+ Updated.aspx –
@Drew另外1个链接http://vyaskn.tripod.com/search_all_columns_in_all_tables.htm –
没有编写动态SQL的某些版本...否:但这是如何使用系统表和动态SQL做到这一点:http://stackoverflow.com/questions/15210267/is-there-a-way-to-search这将是如此不高效的所有表中的所有表在一次在SQL服务器的CE – xQbert