我知道有可能,但我不知道如何。
我需要在SQL Server数据库中搜索所有提及的特定字符串。
例如:我想在所有表,视图,函数,存储过程...中搜索字符串“ tblEmployes”(而不是表中的数据)。
我需要这样做的原因之一是,我想删除一些额外的数据表,但是我担心它们可能会在过程或函数中的某些地方使用。
这将搜索特定数据库中每个表的每一列。在要搜索的数据库上创建存储的proc。
CREATE PROCEDURE FindMyData_String
@DataToFind NVARCHAR(4000),
@ExactMatch BIT = 0
AS
SET NOCOUNT ON
DECLARE @Temp TABLE(RowId INT IDENTITY(1,1), SchemaName sysname, TableName sysname, ColumnName SysName, DataType VARCHAR(100), DataFound BIT)
INSERT INTO @Temp(TableName,SchemaName, ColumnName, DataType)
SELECT C.Table_Name,C.TABLE_SCHEMA, C.Column_Name, C.Data_Type
FROM Information_Schema.Columns AS C
INNER Join Information_Schema.Tables AS T
ON C.Table_Name = T.Table_Name
AND C.TABLE_SCHEMA = T.TABLE_SCHEMA
WHERE Table_Type = 'Base Table'
And Data_Type In ('ntext','text','nvarchar','nchar','varchar','char')
DECLARE @i INT
DECLARE @MAX INT
DECLARE @TableName sysname
DECLARE @ColumnName sysname
DECLARE @SchemaName sysname
DECLARE @SQL NVARCHAR(4000)
DECLARE @PARAMETERS NVARCHAR(4000)
DECLARE @DataExists BIT
DECLARE @SQLTemplate NVARCHAR(4000)
SELECT @SQLTemplate = CASE WHEN @ExactMatch = 1
THEN 'If Exists(Select *
From ReplaceTableName
Where Convert(nVarChar(4000), [ReplaceColumnName])
= ''' + @DataToFind + '''
)
Set @DataExists = 1
Else
Set @DataExists = 0'
ELSE 'If Exists(Select *
From ReplaceTableName
Where Convert(nVarChar(4000), [ReplaceColumnName])
Like ''%' + @DataToFind + '%''
)
Set @DataExists = 1
Else
Set @DataExists = 0'
END,
@PARAMETERS = '@DataExists Bit OUTPUT',
@i = 1
SELECT @i = 1, @MAX = MAX(RowId)
FROM @Temp
WHILE @i <= @MAX
BEGIN
SELECT @SQL = REPLACE(REPLACE(@SQLTemplate, 'ReplaceTableName', QUOTENAME(SchemaName) + '.' + QUOTENAME(TableName)), 'ReplaceColumnName', ColumnName)
FROM @Temp
WHERE RowId = @i
PRINT @SQL
EXEC SP_EXECUTESQL @SQL, @PARAMETERS, @DataExists = @DataExists OUTPUT
IF @DataExists =1
UPDATE @Temp SET DataFound = 1 WHERE RowId = @i
SET @i = @i + 1
END
SELECT SchemaName,TableName, ColumnName
FROM @Temp
WHERE DataFound = 1
GO
要运行它,只需执行以下操作:
exec FindMyData_string 'google', 0
效果非常好!!
被授予访问数据库的权限,但没有访问权限存储我的查询的表。
所有存储过程,视图和函数的内容存储在表sysComments
这里与用户l --''''''---------''''''''''提交的脚本相同,但已更正,可以处理案件-敏感的SQL实例,以及其他一些小的改进。
可以通过以下方法使用SQL Server Management Studio和SSMS对象搜索来搜索SQL数据库对象:对象资源管理器详细信息或T-SQL脚本,如下所述:
这里您可以使用FMDB库在Swift中搜索数据库。首先转到此链接,并将其添加到您的项目中FMDB完成此操作后,在这里如何进行操作,例如,您有一个名为Person的表,并且您具有firstName和secondName并且您想按名字查找数据。这是该代码
如果我想找到要搜索的内容,我用这个:
假设您不会在整个数据库中进行公开搜索,而您只想自己找到一个关键字,这是最简单,更简洁,更快捷的解决方案。
如果您需要按名称查找数据库对象(例如表,列,触发器),请查看名为SQL Search的FREE Red-Gate工具,该工具将执行此操作-它将在整个数据库中搜索任何类型的工具的字符串。
<< img src =“ https://image.soinside.com/eyJ1cmwiOiAiaHR0cHM6Ly9pLnN0YWNrLmltZ3VyLmNvbS9McXpiUy5wbmcifQ==” alt =“在此处输入图像描述”>
对于任何DBA或数据库开发人员来说,这都是一个很棒的必备工具-我是否已经提到它绝对FREE可以用于任何用途?
您也可以尝试ApexSQL Search –这是一个免费的SSMS插件,类似于SQL搜索。
如果您真的只想使用sql,则可以尝试使用此脚本
select
S.name as [Schema],
o.name as [Object],
o.type_desc as [Object_Type],
C.text as [Object_Definition]
from sys.all_objects O inner join sys.schemas S on O.schema_id = S.schema_id
inner join sys.syscomments C on O.object_id = C.id
where S.schema_id not in (3,4) -- avoid searching in sys and INFORMATION_SCHEMA schemas
and C.text like '%ICE_%'
order by [Schema]
用于在SQL Server中通过名称获取表:
SELECT *
FROM sys.Tables
WHERE name LIKE '%Employees%'
用于通过名称查找存储过程:
SELECT name
FROM sys.objects
WHERE name = 'spName'
获取与表相关的所有存储过程:
----Option 1
SELECT DISTINCT so.name
FROM syscomments sc
INNER JOIN sysobjects so ON sc.id=so.id
WHERE sc.TEXT LIKE '%tablename%'
----Option 2
SELECT DISTINCT o.name, o.xtype
FROM syscomments c
INNER JOIN sysobjects o ON c.id=o.id
WHERE c.TEXT LIKE '%tablename%'
您可以将数据库(如果很小的话)导出到硬盘驱动器/台式机,然后通过文本搜索程序或文本编辑器进行字符串搜索。
此代码搜索过程和功能,但不在表中搜索:)
SELECT name FROM sys.all_objects WHERE Object_definition(object_id) LIKE '%text%' ORDER BY name
您可以;
这将在每个数据库中搜索一个字符串:
declare @search_term varchar(max)
set @search_term = 'something'
select @search_term = 'use ? SET QUOTED_IDENTIFIER ON
select
''[''+db_name()+''].[''+c.name+''].[''+b.name+'']'' as [object],
b.type_desc as [type],
d.obj_def.value(''.'',''varchar(max)'') as [definition]
from (
select distinct
a.id
from sys.syscomments a
where a.[text] like ''%'+@search_term+'%''
) a
inner join sys.all_objects b
on b.[object_id] = a.id
inner join sys.schemas c
on c.[schema_id] = b.[schema_id]
cross apply (
select
[text()] = a1.[text]
from sys.syscomments a1
where a1.id = a.id
order by a1.colid
for xml path(''''), type
) d(obj_def)
where c.schema_id not in (3,4) -- avoid searching in sys and INFORMATION_SCHEMA schemas
and db_id() not in (1,2,3,4) -- avoid sys databases'
if object_id('tempdb..#textsearch') is not null drop table #textsearch
create table #textsearch
(
[object] varchar(300),
[type] varchar(300),
[definition] varchar(max)
)
insert #textsearch
exec sp_MSforeachdb @search_term
select *
from #textsearch
order by [object]
[老问题,我知道,但是我的版本在这里...出于明显的原因,我将其命名为“大海捞针”。
它在每一行和每一列中搜索特定值,而不是列名等。>
执行搜索(当然替换前两个变量的值):
DECLARE @SEARCH_DB VARCHAR(100)='REPLACE_WITH_YOUR_DB_NAME' DECLARE @SEARCH_VALUE_LIKE NVARCHAR(100)=N'%REPLACE_WITH_SEARCH_STRING%' SET NOCOUNT ON; DECLARE col_cur CURSOR FOR SELECT TABLE_CATALOG, TABLE_SCHEMA, TABLE_NAME, COLUMN_NAME, DATA_TYPE FROM information_schema.columns WHERE TABLE_CATALOG=@SEARCH_DB AND DATA_TYPE NOT IN ('timestamp', 'datetime'); DECLARE @TOTAL int = (SELECT COUNT(*) FROM information_schema.columns WHERE TABLE_CATALOG=@SEARCH_DB AND DATA_TYPE NOT IN ('timestamp', 'datetime')); DECLARE @TABLE_CATALOG nvarchar(500), @TABLE_SCHEMA nvarchar(500), @TABLE_NAME nvarchar(500), @COLUMN_NAME nvarchar(500), @DATA_TYPE nvarchar(500); DECLARE @SQL nvarchar(4000)=''; PRINT '-------- BEGIN SEARCH --------'; OPEN col_cur; FETCH NEXT FROM col_cur INTO @TABLE_CATALOG, @TABLE_SCHEMA, @TABLE_NAME, @COLUMN_NAME, @DATA_TYPE; BEGIN TRY DROP TABLE ##RESULTS; END TRY BEGIN CATCH END CATCH CREATE TABLE ##RESULTS( TABLE_CATALOG nvarchar(500), TABLE_SCHEMA nvarchar(500), TABLE_NAME nvarchar(500), COLUMN_NAME nvarchar(500), DATA_TYPE nvarchar(500), RECORDS int) DECLARE @SHOULD_CAST bit=0 DECLARE @i int =0 DECLARE @progress_sum bigint=0 WHILE @@FETCH_STATUS = 0 BEGIN -- PRINT '' + CAST(@i as varchar(100)) +' of ' + CAST(@TOTAL as varchar(100)) + ' ' + @TABLE_CATALOG+'.'+@TABLE_SCHEMA+'.'+@TABLE_NAME+': '+@COLUMN_NAME+' ('+@DATA_TYPE+')'; SET @SHOULD_CAST = (SELECT CASE @DATA_TYPE WHEN 'varchar' THEN 0 WHEN 'nvarchar' THEN 0 WHEN 'char' THEN 0 ELSE 1 END) SET @SQL='SELECT '''+@TABLE_CATALOG+''' catalog_name, '''+@TABLE_SCHEMA+''' schema_name, '''+@TABLE_NAME+''' table_name, '''+@COLUMN_NAME+''' column_name, '''+@DATA_TYPE+''' data_type, ' + +' COUNT(['+@COLUMN_NAME+']) records '+ +' FROM '+@TABLE_CATALOG+'.'+@TABLE_SCHEMA+'.'+@TABLE_NAME + +' WHERE ' + CASE WHEN @SHOULD_CAST=1 THEN 'CAST(['+@COLUMN_NAME + '] as NVARCHAR(max)) ' ELSE ' ['+@COLUMN_NAME + '] ' END +' LIKE '''+ @SEARCH_VALUE_LIKE + ''' ' -- PRINT @SQL; IF @i % 100 = 0 BEGIN SET @progress_sum = (SELECT SUM(RECORDS) FROM ##RESULTS) PRINT CAST (@i as varchar(100)) +' of ' + CAST(@TOTAL as varchar(100)) +': '+ CAST (@progress_sum as varchar(100)) END INSERT INTO ##RESULTS (TABLE_CATALOG, TABLE_SCHEMA, TABLE_NAME, COLUMN_NAME, DATA_TYPE, RECORDS) EXEC(@SQL) FETCH NEXT FROM col_cur INTO @TABLE_CATALOG, @TABLE_SCHEMA, @TABLE_NAME, @COLUMN_NAME, @DATA_TYPE; SET @i=@i+1 -- IF @i > 1000 -- BREAK END CLOSE col_cur; DEALLOCATE col_cur; SELECT * FROM ##RESULTS WHERE RECORDS>0;
然后在另一个窗口中查看结果,即使在执行时也执行:
DECLARE @SEARCH_VALUE_LIKE NVARCHAR(100)=N'%@FLEX@%' SELECT * FROM ##RESULTS WHERE RECORDS>0; SET NOCOUNT ON; DECLARE col_cur CURSOR FOR SELECT TABLE_CATALOG, TABLE_SCHEMA, TABLE_NAME, COLUMN_NAME, DATA_TYPE FROM ##RESULTS WHERE RECORDS>0; DECLARE @TABLE_CATALOG nvarchar(500), @TABLE_SCHEMA nvarchar(500), @TABLE_NAME nvarchar(500), @COLUMN_NAME nvarchar(500), @DATA_TYPE nvarchar(500); DECLARE @SQL nvarchar(4000)=''; OPEN col_cur; FETCH NEXT FROM col_cur INTO @TABLE_CATALOG, @TABLE_SCHEMA, @TABLE_NAME, @COLUMN_NAME, @DATA_TYPE; DECLARE @i int =0 DECLARE @SHOULD_CAST bit=0 WHILE @@FETCH_STATUS = 0 BEGIN SET @SHOULD_CAST = (SELECT CASE @DATA_TYPE WHEN 'varchar' THEN 0 WHEN 'nvarchar' THEN 0 WHEN 'char' THEN 0 ELSE 1 END) SET @SQL='SELECT '''+@TABLE_CATALOG+''' catalog_name, '''+@TABLE_SCHEMA+''' schema_name, '''+@TABLE_NAME+''' table_name, '''+@COLUMN_NAME+''' column_name, '''+@DATA_TYPE+''' data_type, ' + +' ['+@COLUMN_NAME+']'+ +', * ' +' FROM '+@TABLE_CATALOG+'.'+@TABLE_SCHEMA+'.'+@TABLE_NAME + +' WHERE ' + CASE WHEN @SHOULD_CAST=1 THEN 'CAST(['+@COLUMN_NAME + '] as NVARCHAR(max)) ' ELSE ' ['+@COLUMN_NAME + '] ' END +' LIKE '''+ @SEARCH_VALUE_LIKE + ''' ' PRINT @SQL; EXEC(@SQL) FETCH NEXT FROM col_cur INTO @TABLE_CATALOG, @TABLE_SCHEMA, @TABLE_NAME, @COLUMN_NAME, @DATA_TYPE; SET @i=@i+1 -- IF @i > 10 -- BREAK END CLOSE col_cur; DEALLOCATE col_cur;
很少提及:
免责声明:
希望这会有所帮助。