【发布时间】：2013-03-23 08:14:09
【问题描述】：
有没有什么办法可以在SQL Server的一个数据库的所有表中搜索一个字符串？
我想搜索字符串john。结果应显示包含john 的表及其各自的行。
【问题讨论】：
-
phpmyadmin 允许这个非常简单
标签： sql sql-server search
【发布时间】：2013-03-23 08:14:09
【问题描述】：
如果你和我一样，在生产环境中有一定的限制，你可能希望使用表变量而不是临时表，使用即席查询而不是创建过程。
当然取决于你的sql server实例，它必须支持表变量。
我还添加了一个 USE 语句来缩小搜索范围
USE DATABASE_NAME
DECLARE @SearchStr nvarchar(100) = 'SEARCH_TEXT'
DECLARE @Results TABLE (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', 'int', 'decimal')
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
【讨论】：
-
太棒了。我添加了“PRINT @TableName + '。” + @ColumnName" 在第 53 行，所以我可以在它通过我的大型数据库工作时获得一些状态。但这很有帮助。
-
谢谢！搜索旧ACT！ CRM 数据库更简单，屏幕上的字段是“Company reg”，数据库字段是“tickersymbol”，但结果太糟糕了！大声笑
-
如何获取具有结果的primaryKeys？任何帮助
-
如果我每次来这里复制这个强大的查询时都可以投票，那么您的分数很容易翻倍：D
-
ERROR 1064 (42000)：您的 SQL 语法有错误；检查与您的 MariaDB 服务器版本相对应的手册，以在 'DECLARE @SearchStr nvarchar(100) = 'SEARCH_TEXT' 附近使用正确的语法
有点晚，但希望有用。
为什么不尝试一些可以集成到 SSMS 中的第三方工具。
我曾使用ApexSQL Search（100% 免费）在架构和数据搜索方面取得了良好的成功，还有具有此功能的SSMS tools pack（对于 SQL 2012 来说不是免费的，但相当实惠）。
上面的存储过程真的很棒；只是在我看来这更方便。此外，如果您想搜索日期时间列或 GUID 列等，则需要稍作修改……
【讨论】：
-
Apex SQL Search 自 2021 年起不再免费。
要更新TechDo 对 SQL server 2012 的回答。您需要更改：'FROM ' + @TableName + ' (NOLOCK) ' to FROM ' + @TableName + 'WITH (NOLOCK) ' +
否则你会得到以下错误：Deprecated feature 'Table hint without WITH' is not supported in this version of SQL Server.
下面是完整的更新存储过程：
CREATE PROC SearchAllTables
(
@SearchStr nvarchar(100)
)
AS
BEGIN
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', 'int', 'decimal')
AND QUOTENAME(COLUMN_NAME) > @ColumnName
)
IF @ColumnName IS NOT NULL
BEGIN
INSERT INTO #Results
EXEC
(
'SELECT ''' + @TableName + '.' + @ColumnName + ''', LEFT(' + @ColumnName + ', 3630)
FROM ' + @TableName + 'WITH (NOLOCK) ' +
' WHERE ' + @ColumnName + ' LIKE ' + @SearchStr2
)
END
END
END
SELECT ColumnName, ColumnValue FROM #Results
END
【讨论】：
-
这东西怎么称呼？
有点晚了，但是你可以很容易地用这个查询找到一个字符串
DECLARE
@search_string VARCHAR(100),
@table_name SYSNAME,
@table_id INT,
@column_name SYSNAME,
@sql_string VARCHAR(2000)
SET @search_string = 'StringtoSearch'
DECLARE tables_cur CURSOR FOR SELECT ss.name +'.'+ so.name [name], object_id FROM sys.objects so INNER JOIN sys.schemas ss ON so.schema_id = ss.schema_id WHERE type = 'U'
OPEN tables_cur
FETCH NEXT FROM tables_cur INTO @table_name, @table_id
WHILE (@@FETCH_STATUS = 0)
BEGIN
DECLARE columns_cur CURSOR FOR SELECT name FROM sys.columns WHERE object_id = @table_id
AND system_type_id IN (167, 175, 231, 239)
OPEN columns_cur
FETCH NEXT FROM columns_cur INTO @column_name
WHILE (@@FETCH_STATUS = 0)
BEGIN
SET @sql_string = 'IF EXISTS (SELECT * FROM ' + @table_name + ' WHERE [' + @column_name + ']
LIKE ''%' + @search_string + '%'') PRINT ''' + @table_name + ', ' + @column_name + ''''
EXECUTE(@sql_string)
FETCH NEXT FROM columns_cur INTO @column_name
END
CLOSE columns_cur
DEALLOCATE columns_cur
FETCH NEXT FROM tables_cur INTO @table_name, @table_id
END
CLOSE tables_cur
DEALLOCATE tables_cur
【讨论】：
-
当表的架构不是“dbo”时，此脚本将失败，不幸的是，be DB 中的大多数表都有不同的架构。适用于几个“dbo”的。
-
刚刚在 schemas 表上将初始光标编辑为 INNER JOIN，所以现在它在使用它时确实在表名中包含了 schema。
-
我还在 system_types 列表中添加了 99 (ntext) 以进行搜索，因为目前它忽略了所有 xml 字段。 ` AND system_type_id IN (167, 175, 231, 239, 99)`
不需要嵌套循环（外部循环遍历表格，内部循环遍历所有表格列）。可以从INFORMATION_SCHEMA.COLUMNS 中检索所有（或任意选择/过滤的）表列组合，并在一个循环中简单地通过（搜索）所有这些组合：
DECLARE @search VARCHAR(100), @table SYSNAME, @column SYSNAME
DECLARE curTabCol CURSOR FOR
SELECT c.TABLE_SCHEMA + '.' + c.TABLE_NAME, c.COLUMN_NAME
FROM INFORMATION_SCHEMA.COLUMNS c
JOIN INFORMATION_SCHEMA.TABLES t
ON t.TABLE_NAME=c.TABLE_NAME AND t.TABLE_TYPE='BASE TABLE' -- avoid views
WHERE c.DATA_TYPE IN ('varchar','nvarchar') -- searching only in these column types
--AND c.COLUMN_NAME IN ('NAME','DESCRIPTION') -- searching only in these column names
SET @search='john'
OPEN curTabCol
FETCH NEXT FROM curTabCol INTO @table, @column
WHILE (@@FETCH_STATUS = 0)
BEGIN
EXECUTE('IF EXISTS
(SELECT * FROM ' + @table + ' WHERE ' + @column + ' = ''' + @search + ''')
PRINT ''' + @table + '.' + @column + '''')
FETCH NEXT FROM curTabCol INTO @table, @column
END
CLOSE curTabCol
DEALLOCATE curTabCol
【讨论】：
我为此编写了一个SP，它以表名的形式返回搜索结果，在其中找到搜索关键字字符串的列名以及搜索相应的行，如下面的屏幕截图所示。
这可能不是最有效的解决方案，但您可以随时根据需要进行修改和使用。
IF OBJECT_ID('sp_KeywordSearch', 'P') IS NOT NULL
DROP PROC sp_KeywordSearch
GO
CREATE PROCEDURE sp_KeywordSearch @KeyWord NVARCHAR(100)
AS
BEGIN
DECLARE @Result TABLE
(TableName NVARCHAR(300),
ColumnName NVARCHAR(MAX))
DECLARE @Sql NVARCHAR(MAX),
@TableName NVARCHAR(300),
@ColumnName NVARCHAR(300),
@Count INT
DECLARE @tableCursor CURSOR
SET @tableCursor = CURSOR LOCAL SCROLL FOR
SELECT N'SELECT @Count = COUNT(1) FROM [dbo].[' + T.TABLE_NAME + '] WITH (NOLOCK) WHERE CAST([' + C.COLUMN_NAME +
'] AS NVARCHAR(MAX)) LIKE ''%' + @KeyWord + N'%''',
T.TABLE_NAME,
C.COLUMN_NAME
FROM INFORMATION_SCHEMA.TABLES AS T WITH (NOLOCK)
INNER JOIN INFORMATION_SCHEMA.COLUMNS AS C WITH (NOLOCK)
ON T.TABLE_SCHEMA = C.TABLE_SCHEMA AND
T.TABLE_NAME = C.TABLE_NAME
WHERE T.TABLE_TYPE = 'BASE TABLE' AND
C.TABLE_SCHEMA = 'dbo' AND
C.DATA_TYPE NOT IN ('image', 'timestamp')
OPEN @tableCursor
FETCH NEXT FROM @tableCursor INTO @Sql, @TableName, @ColumnName
WHILE (@@FETCH_STATUS = 0)
BEGIN
SET @Count = 0
EXEC sys.sp_executesql
@Sql,
N'@Count INT OUTPUT',
@Count OUTPUT
IF @Count > 0
BEGIN
INSERT INTO @Result
(TableName, ColumnName)
VALUES (@TableName, @ColumnName)
END
FETCH NEXT FROM @tableCursor INTO @Sql, @TableName, @ColumnName
END
CLOSE @tableCursor
DEALLOCATE @tableCursor
SET @tableCursor = CURSOR LOCAL SCROLL FOR
SELECT SUBSTRING(TB.Sql, 1, LEN(TB.Sql) - 3) AS Sql, TB.TableName, SUBSTRING(TB.Columns, 1, LEN(TB.Columns) - 1) AS Columns
FROM (SELECT R.TableName, (SELECT R2.ColumnName + ', ' FROM @Result AS R2 WHERE R.TableName = R2.TableName FOR XML PATH('')) AS Columns,
'SELECT * FROM ' + R.TableName + ' WITH (NOLOCK) WHERE ' +
(SELECT 'CAST(' + R2.ColumnName + ' AS NVARCHAR(MAX)) LIKE ''%' + @KeyWord + '%'' OR '
FROM @Result AS R2
WHERE R.TableName = R2.TableName
FOR
XML PATH('')) AS Sql
FROM @Result AS R
GROUP BY R.TableName) TB
ORDER BY TB.Sql
OPEN @tableCursor
FETCH NEXT FROM @tableCursor INTO @Sql, @TableName, @ColumnName
WHILE (@@FETCH_STATUS = 0)
BEGIN
PRINT @Sql
SELECT @TableName AS [Table],
@ColumnName AS Columns
EXEC(@Sql)
FETCH NEXT FROM @tableCursor INTO @Sql, @TableName, @ColumnName
END
CLOSE @tableCursor
DEALLOCATE @tableCursor
END
【讨论】：
-
在哪里定义我们的搜索字符串？
这很有帮助。我想将此函数导入 Postgre SQL 数据库。以为我会与任何有兴趣的人分享。将有他们几个小时。注意：此函数创建一个可以在 Postgre 数据库上复制和执行的 SQL 语句列表。也许比我更聪明的人可以让 Postgre 在一个函数中创建和执行语句。
CREATE OR REPLACE FUNCTION SearchAllTables(_search text) RETURNS TABLE( txt text ) as $funct$
DECLARE __COUNT int;
__SQL text;
BEGIN
EXECUTE 'SELECT COUNT(0) FROM INFORMATION_SCHEMA.COLUMNS
WHERE DATA_TYPE = ''text''
AND table_schema = ''public'' ' INTO __COUNT;
RETURN QUERY
SELECT CASE WHEN ROW_NUMBER() OVER (ORDER BY table_name) < __COUNT THEN
'SELECT ''' || table_name ||'.'|| column_name || ''' AS tbl, "' || column_name || '" AS col FROM "public"."' || "table_name" || '" WHERE "'|| "column_name" || '" ILIKE ''%' || _search || '%'' UNION ALL'
ELSE
'SELECT ''' || table_name ||'.'|| column_name || ''' AS tbl, "' || column_name || '" AS col FROM "public"."' || "table_name" || '" WHERE "'|| "column_name" || '" ILIKE ''%' || _search || '%'''
END AS txt
FROM INFORMATION_SCHEMA.COLUMNS
WHERE DATA_TYPE = 'text'
AND table_schema = 'public';
END
$funct$ LANGUAGE plpgsql;
【讨论】：
这篇文章中提到的答案已经好几次了，我也采用了一点，因为我也只需要在一个表中搜索：
（也让表名的输入更加简单）
ALTER PROC dbo.db_compare_SearchAllTables_sp
(
@SearchStr nvarchar(100),
@TableName nvarchar(256) = ''
)
AS
BEGIN
if PARSENAME(@TableName, 2) is null
set @TableName = 'dbo.' + QUOTENAME(@TableName, '"')
declare @results TABLE(ColumnName nvarchar(370), ColumnValue nvarchar(3630))
SET NOCOUNT ON
DECLARE @ColumnName nvarchar(128) = '', @SearchStr2 nvarchar(110)
SET @SearchStr2 = QUOTENAME('%' + @SearchStr + '%','''')
IF @TableName <> ''
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 + ' WITH (NOLOCK) ' +
' WHERE ' + @ColumnName + ' LIKE ' + @SearchStr2
)
END
END
ELSE
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 + ' WITH (NOLOCK) ' +
' WHERE ' + @ColumnName + ' LIKE ' + @SearchStr2
)
END
END
END
SELECT ColumnName, ColumnValue FROM @results
END
【讨论】：
改进来自@Brandon 的惊人答案，我使用铸件将类型添加到 ntext 和 xml：
BEGIN TRAN
DECLARE @SearchStr nvarchar(100) = 'SEARCH_TEXT'
DECLARE @Results TABLE (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', 'int', 'decimal', 'ntext', 'xml')
AND QUOTENAME(COLUMN_NAME) > @ColumnName
)
IF @ColumnName IS NOT NULL
BEGIN
INSERT INTO @Results
EXEC
(
'SELECT ''' + @TableName + '.' + @ColumnName + ''', LEFT((cast(' + @ColumnName + ' as nvarchar(max))), 3630)
FROM ' + @TableName + ' (NOLOCK) ' +
' WHERE (cast(' + @ColumnName + ' as nvarchar(max))) LIKE ' + @SearchStr2
)
END
END
END
SELECT ColumnName, ColumnValue FROM @Results
ROLLBACK
【讨论】：
[CREATE PROC SearchAllTables ( @SearchStr nvarchar(100) ) AS
BEGIN
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
EXEC SearchAllTables 'Computer'][1]
[1]: https://koukia.ca/search-for-a-string-in-all-tables-and-all-fields-of-a-database-with-tsql-b6f8a1bfda37
【讨论】：