我想在所有数据库的所有表中查找所有列名。有没有可以为我做的查询？
问问题
210795 次
13 回答
113
试试这个：
select
o.name,c.name
from sys.columns c
inner join sys.objects o on c.object_id=o.object_id
order by o.name,c.column_id
使用结果列名，这将是：
select
o.name as [Table], c.name as [Column]
from sys.columns c
inner join sys.objects o on c.object_id=o.object_id
--where c.name = 'column you want to find'
order by o.name,c.name
或者更多细节：
SELECT
s.name as ColumnName
,sh.name+'.'+o.name AS ObjectName
,o.type_desc AS ObjectType
,CASE
WHEN t.name IN ('char','varchar') THEN t.name+'('+CASE WHEN s.max_length<0 then 'MAX' ELSE CONVERT(varchar(10),s.max_length) END+')'
WHEN t.name IN ('nvarchar','nchar') THEN t.name+'('+CASE WHEN s.max_length<0 then 'MAX' ELSE CONVERT(varchar(10),s.max_length/2) END+')'
WHEN t.name IN ('numeric') THEN t.name+'('+CONVERT(varchar(10),s.precision)+','+CONVERT(varchar(10),s.scale)+')'
ELSE t.name
END AS DataType
,CASE
WHEN s.is_nullable=1 THEN 'NULL'
ELSE 'NOT NULL'
END AS Nullable
,CASE
WHEN ic.column_id IS NULL THEN ''
ELSE ' identity('+ISNULL(CONVERT(varchar(10),ic.seed_value),'')+','+ISNULL(CONVERT(varchar(10),ic.increment_value),'')+')='+ISNULL(CONVERT(varchar(10),ic.last_value),'null')
END
+CASE
WHEN sc.column_id IS NULL THEN ''
ELSE ' computed('+ISNULL(sc.definition,'')+')'
END
+CASE
WHEN cc.object_id IS NULL THEN ''
ELSE ' check('+ISNULL(cc.definition,'')+')'
END
AS MiscInfo
FROM sys.columns s
INNER JOIN sys.types t ON s.system_type_id=t.user_type_id and t.is_user_defined=0
INNER JOIN sys.objects o ON s.object_id=o.object_id
INNER JOIN sys.schemas sh on o.schema_id=sh.schema_id
LEFT OUTER JOIN sys.identity_columns ic ON s.object_id=ic.object_id AND s.column_id=ic.column_id
LEFT OUTER JOIN sys.computed_columns sc ON s.object_id=sc.object_id AND s.column_id=sc.column_id
LEFT OUTER JOIN sys.check_constraints cc ON s.object_id=cc.parent_object_id AND s.column_id=cc.parent_column_id
ORDER BY sh.name+'.'+o.name,s.column_id
编辑
这是获取所有数据库中所有列的基本示例：
DECLARE @SQL varchar(max)
SET @SQL=''
SELECT @SQL=@SQL+'UNION
select
'''+d.name+'.''+sh.name+''.''+o.name,c.name,c.column_id
from '+d.name+'.sys.columns c
inner join '+d.name+'.sys.objects o on c.object_id=o.object_id
INNER JOIN '+d.name+'.sys.schemas sh on o.schema_id=sh.schema_id
'
FROM sys.databases d
SELECT @SQL=RIGHT(@SQL,LEN(@SQL)-5)+'order by 1,3'
--print @SQL
EXEC (@SQL)
编辑SQL Server 2000 版本
DECLARE @SQL varchar(8000)
SET @SQL=''
SELECT @SQL=@SQL+'UNION
select
'''+d.name+'.''+sh.name+''.''+o.name,c.name,c.colid
from '+d.name+'..syscolumns c
inner join sysobjects o on c.id=o.id
INNER JOIN sysusers sh on o.uid=sh.uid
'
FROM master.dbo.sysdatabases d
SELECT @SQL=RIGHT(@SQL,LEN(@SQL)-5)+'order by 1,3'
--print @SQL
EXEC (@SQL)
编辑
根据一些评论，这里是使用的版本sp_MSforeachdb：
sp_MSforeachdb 'select
''?'' AS DatabaseName, o.name AS TableName,c.name AS ColumnName
from sys.columns c
inner join ?.sys.objects o on c.object_id=o.object_id
--WHERE ''?'' NOT IN (''master'',''msdb'',''tempdb'',''model'')
order by o.name,c.column_id'
于 2010-04-28T11:58:12.543 回答
32
为什么不使用
Select * From INFORMATION_SCHEMA.COLUMNS
您可以使其成为特定于数据库的
Select * From DBNAME.INFORMATION_SCHEMA.COLUMNS
于 2010-04-28T13:12:40.697 回答
24
SELECT *
FROM information_schema.columns
WHERE column_name = 'My_Column'
USE [db_name]您必须在此查询之前设置您当前的数据库名称。
于 2012-01-30T11:03:19.270 回答
9
为您提供更好的方式
sp_MSForEachDB @command1='USE ?;
SELECT
Table_Catalog
,Table_Schema
,Table_Name
,Column_Name
,Data_Type
,Character_Maximum_Length
FROM INFORMATION_SCHEMA.COLUMNS
WHERE COLUMN_NAME like ''%ColumnNameHere%'''
于 2015-11-18T10:11:44.920 回答
3
通常我会尽我所能避免使用游标，但以下查询将为您提供所需的一切：
--Declare/Set required variables
DECLARE @vchDynamicDatabaseName AS VARCHAR(MAX),
@vchDynamicQuery As VARCHAR(MAX),
@DatabasesCursor CURSOR
SET @DatabasesCursor = Cursor FOR
--Select * useful databases on the server
SELECT name
FROM sys.databases
WHERE database_id > 4
ORDER by name
--Open the Cursor based on the previous select
OPEN @DatabasesCursor
FETCH NEXT FROM @DatabasesCursor INTO @vchDynamicDatabaseName
WHILE @@FETCH_STATUS = 0
BEGIN
--Insert the select statement into @DynamicQuery
--This query will select the Database name, all tables/views and their columns (in a comma delimited field)
SET @vchDynamicQuery =
('SELECT ''' + @vchDynamicDatabaseName + ''' AS ''Database_Name'',
B.table_name AS ''Table Name'',
STUFF((SELECT '', '' + A.column_name
FROM ' + @vchDynamicDatabaseName + '.INFORMATION_SCHEMA.COLUMNS A
WHERE A.Table_name = B.Table_Name
FOR XML PATH(''''),TYPE).value(''(./text())[1]'',''NVARCHAR(MAX)'')
, 1, 2, '''') AS ''Columns''
FROM ' + @vchDynamicDatabaseName + '.INFORMATION_SCHEMA.COLUMNS B
WHERE B.TABLE_NAME LIKE ''%%''
AND B.COLUMN_NAME LIKE ''%%''
GROUP BY B.Table_Name
Order BY 1 ASC')
--Print @vchDynamicQuery
EXEC(@vchDynamicQuery)
FETCH NEXT FROM @DatabasesCursor INTO @vchDynamicDatabaseName
END
CLOSE @DatabasesCursor
DEALLOCATE @DatabasesCursor
GO
我在主查询中添加了 where 子句（例如：B.TABLE_NAME LIKE ''%%'' AND B.COLUMN_NAME LIKE ''%%''），以便您可以根据需要搜索特定的表和/或列.
于 2014-05-16T20:22:20.683 回答
2
用户@KM 说最佳答案。
我用这个：
Declare @Table_Name VarChar(100) ,@Column_Name VarChar(100)
Set @Table_Name = ''
Set @Column_Name = ''
Select
RowNumber = Row_Number() Over( PARTITION BY T.[Name] Order By T.[Name],C.column_id ),
SCHEMA_NAME( T.schema_id ) As SchemaName ,
T.[Name] As Table_Name ,
C.[Name] As Field_Name ,
sysType.name ,
C.max_length , C.is_nullable , C.is_identity , C.scale , C.precision
From Sys.Tables As T
Left Join Sys.Columns As C On ( T.[Object_Id] = C.[Object_Id] )
Left Join sys.types As sysType On ( C.user_type_id = sysType.user_type_id )
Where ( Type = 'U' )
And ( C.Name Like '%' + @Column_Name + '%' )
And ( T.Name Like '%' + @Table_Name + '%' )
于 2013-09-25T12:31:49.460 回答
2
致所有人：感谢所有帖子和评论，有些很好，但有些更好。
第一个大脚本很好，因为它提供了所需的内容。最快和最详细的是从 INFORMATION_SCHEMA.COLUMNS 中选择的一个建议。
我的需要是找到所有名称大致相同的错误列和几个数据库.. Sooo，我制作了两者的版本（见下文）......以下两个脚本中的任何一个都可以在几秒钟内工作并交付货物。
此链接上其他帖子中的假设是，第一个代码示例可以成功地与 for-each-database 一起使用，这对我来说是不可取的。这是因为信息在特定的数据库中，简单地使用“fedb”不会产生正确的结果，它根本不提供访问权限。这就是为什么我使用 CURSOR 来收集数据库并忽略那些离线的原因，在这种情况下，它是一个实用程序脚本，它是一个很好的用途。
归根结底，我阅读了每个人的帖子，将帖子中的所有更正都纳入其中，并制作了两个非常有说服力的其他人的好作品。我在下面列出了这两个文件，并将脚本文件放在了我在 OneDrive.com 上的公共文件夹中，您可以通过以下链接访问：http: //1drv.ms/1vr8yNX
享受 ！汉克弗里曼
高级 - SQL Server DBA - 数据架构师
分别试试...
---------------------------
--- 1st example (works) ---
---------------------------
Declare
@DBName sysname
,@SQL_String1 nvarchar(4000)
,@SQL_String2 nvarchar(4000)
,@ColumnName nvarchar(200)
--set @ColumnName = 'Course_ID'
-------- Like Trick --------
-- IF you want to add more the @ColumnName so it looks like Course_ID,CourseID
-- then add an additional pairing of +''','''+'NewColumnSearchIDValue'
----------------------------
set @ColumnName = 'Course_ID' +''','''+'CourseID'
--select @ColumnName
-----
Declare @Column_Info table
(
[DatabaseName] nvarchar(128) NULL,
[ColumnName] sysname NULL,
[ObjectName] nvarchar(257) NOT NULL,
[ObjectType] nvarchar(60) NULL,
[DataType] nvarchar(151) NULL,
[Nullable] varchar(8) NOT NULL,
[MiscInfo] nvarchar(MAX) NOT NULL
)
--------------
Begin
set @SQL_String2 = 'SELECT
DB_NAME() as ''DatabaseName'',
s.name as ColumnName
,sh.name+''.''+o.name AS ObjectName
,o.type_desc AS ObjectType
,CASE
WHEN t.name IN (''char'',''varchar'') THEN t.name+''(''+CASE WHEN s.max_length<0 then ''MAX'' ELSE CONVERT(varchar(10),s.max_length) END+'')''
WHEN t.name IN (''nvarchar'',''nchar'') THEN t.name+''(''+CASE WHEN s.max_length<0 then ''MAX'' ELSE CONVERT(varchar(10),s.max_length/2) END+'')''
WHEN t.name IN (''numeric'') THEN t.name+''(''+CONVERT(varchar(10),s.precision)+'',''+CONVERT(varchar(10),s.scale)+'')''
ELSE t.name
END AS DataType
,CASE
WHEN s.is_nullable=1 THEN ''NULL''
ELSE ''NOT NULL''
END AS Nullable
,CASE
WHEN ic.column_id IS NULL THEN ''''
ELSE '' identity(''+ISNULL(CONVERT(varchar(10),ic.seed_value),'''')+'',''+ISNULL(CONVERT(varchar(10),ic.increment_value),'''')+'')=''+ISNULL(CONVERT(varchar(10),ic.last_value),''null'')
END
+CASE
WHEN sc.column_id IS NULL THEN ''''
ELSE '' computed(''+ISNULL(sc.definition,'''')+'')''
END
+CASE
WHEN cc.object_id IS NULL THEN ''''
ELSE '' check(''+ISNULL(cc.definition,'''')+'')''
END
AS MiscInfo
into ##Temp_Column_Info
FROM sys.columns s
INNER JOIN sys.types t ON s.system_type_id=t.user_type_id and t.is_user_defined=0
INNER JOIN sys.objects o ON s.object_id=o.object_id
INNER JOIN sys.schemas sh on o.schema_id=sh.schema_id
LEFT OUTER JOIN sys.identity_columns ic ON s.object_id=ic.object_id AND s.column_id=ic.column_id
LEFT OUTER JOIN sys.computed_columns sc ON s.object_id=sc.object_id AND s.column_id=sc.column_id
LEFT OUTER JOIN sys.check_constraints cc ON s.object_id=cc.parent_object_id AND s.column_id=cc.parent_column_id
--------------------------------------------
--- DBA - Hank 12-Feb-2015 added this specific where statement
-- where Upper(s.name) like ''COURSE%''
-- where Upper(s.name) in (''' + @ColumnName + ''')
-- where Upper(s.name) in (''cycle_Code'')
-- ORDER BY sh.name+''.''+o.name,s.column_id
order by 1,2'
--------------------
Declare DB_cursor CURSOR
FOR
SELECT name FROM sys.databases
--select * from sys.databases
WHERE STATE = 0
-- and Name not IN ('master','msdb','tempdb','model','DocxPress')
and Name not IN ('msdb','tempdb','model','DocxPress')
Open DB_cursor
Fetch next from DB_cursor into @DBName
While @@FETCH_STATUS = 0
begin
--select @DBName as '@DBName';
Set @SQL_String1 = 'USE [' + @DBName + ']'
set @SQL_String1 = @SQL_String1 + @SQL_String2
EXEC sp_executesql @SQL_String1;
--
insert into @Column_Info
select * from ##Temp_Column_Info;
drop table ##Temp_Column_Info;
Fetch next From DB_cursor into @DBName
end
CLOSE DB_cursor;
Deallocate DB_cursor;
---
select * from @Column_Info order by 2,3
----------------------------
end
---------------------------
Below is the Second script..
---------------------------
--- 2nd example (works) ---
---------------------------
-- This is by far the best/fastes of the lot for what it delivers.
--Select * into dbo.hanktst From Master.INFORMATION_SCHEMA.COLUMNS
--FileID: SCRIPT_Get_Column_info_(INFORMATION_SCHEMA.COLUMNS).sql
----------------------------------------
--FileID: SCRIPT_Get_Column_info_(INFORMATION_SCHEMA.COLUMNS).sql
-- Utility to find all columns in all databases or find specific with a like statement
-- Look at this line to find a: --> set @SQL_String2 = ' select * into ##Temp_Column_Info....
----------------------------------------
---
SET NOCOUNT ON
begin
Declare @hanktst TABLE (
[TABLE_CATALOG] NVARCHAR(128) NULL
,[TABLE_SCHEMA] NVARCHAR(128) NULL
,[TABLE_NAME] sysname NOT NULL
,[COLUMN_NAME] sysname NULL
,[ORDINAL_POSITION] INT NULL
,[COLUMN_DEFAULT] NVARCHAR(4000) NULL
,[IS_NULLABLE] VARCHAR(3) NULL
,[DATA_TYPE] NVARCHAR(128) NULL
,[CHARACTER_MAXIMUM_LENGTH] INT NULL
,[CHARACTER_OCTET_LENGTH] INT NULL
,[NUMERIC_PRECISION] TINYINT NULL
,[NUMERIC_PRECISION_RADIX] SMALLINT NULL
,[NUMERIC_SCALE] INT NULL
,[DATETIME_PRECISION] SMALLINT NULL
,[CHARACTER_SET_CATALOG] sysname NULL
,[CHARACTER_SET_SCHEMA] sysname NULL
,[CHARACTER_SET_NAME] sysname NULL
,[COLLATION_CATALOG] sysname NULL
,[COLLATION_SCHEMA] sysname NULL
,[COLLATION_NAME] sysname NULL
,[DOMAIN_CATALOG] sysname NULL
,[DOMAIN_SCHEMA] sysname NULL
,[DOMAIN_NAME] sysname NULL
)
Declare
@DBName sysname
,@SQL_String2 nvarchar(4000)
,@TempRowCnt varchar(20)
,@Dbug bit = 0
Declare DB_cursor CURSOR
FOR
SELECT name FROM sys.databases
WHERE STATE = 0
-- and Name not IN ('master','msdb','tempdb','model','DocxPress')
and Name not IN ('msdb','tempdb','model','DocxPress')
Open DB_cursor
Fetch next from DB_cursor into @DBName
While @@FETCH_STATUS = 0
begin
set @SQL_String2 = ' select * into ##Temp_Column_Info from [' + @DBName + '].INFORMATION_SCHEMA.COLUMNS
where UPPER(Column_Name) like ''COURSE%''
;'
if @Dbug = 1 Select @SQL_String2 as '@SQL_String2';
EXEC sp_executesql @SQL_String2;
insert into @hanktst
select * from ##Temp_Column_Info;
drop table ##Temp_Column_Info;
Fetch next From DB_cursor into @DBName
end
select * from @hanktst order by 4,2,3
CLOSE DB_cursor;
Deallocate DB_cursor;
set @TempRowCnt = (select cast(count(1) as varchar(10)) from @hanktst )
Print ('Rows found: '+ @TempRowCnt +' end ...')
end
--------
于 2015-02-13T17:46:31.677 回答
2
一些小的改进
->以前的答案没有显示所有结果
-> 可以通过设置列名变量来过滤列名
DECLARE @columnname nvarchar(150)
SET @columnname=''
DECLARE @SQL varchar(max)
SET @SQL=''
SELECT @SQL=@SQL+'UNION
select
'''+d.name+'.''+sh.name+''.''+o.name COLLATE SQL_Latin1_General_CP1_CI_AS as name,c.name COLLATE SQL_Latin1_General_CP1_CI_AS as columnname,c.column_id
from '+d.name+'.sys.columns c
inner join '+d.name+'.sys.objects o on c.object_id=o.object_id
INNER JOIN '+d.name+'.sys.schemas sh on o.schema_id=sh.schema_id
where c.name like ''%'+@columnname+'%'' and sh.name<>''sys''
'
FROM sys.databases d
SELECT @SQL=RIGHT(@SQL,LEN(@SQL)-5)+'order by 1,3'
--print @SQL
EXEC (@SQL)
于 2015-10-25T20:10:43.647 回答
2
试试下面的查询
DECLARE @Query VARCHAR(max)
SELECT @Query = 'USE ? SELECT ''?'' AS DataBaseName,
sys.columns.name AS ColumnName ,
sys.tables.name AS TableName ,
schema_name (sys.tables.schema_Id) AS schemaName
FROM sys.columns
JOIN sys.tables
ON sys.columns.object_id = sys.tables.object_id
WHERE sys.columns.name = ''id'' '
EXEC SP_MSFOREACHDB @Query
给出所有数据库中包含 ID 列的表列表。
于 2017-11-15T09:11:55.770 回答
2
我刚刚意识到以下查询将为您提供数据库中表中的所有列名（SQL SERVER 2017）
SELECT DISTINCT NAME FROM SYSCOLUMNS
ORDER BY Name
或简单地
SELECT Name FROM SYSCOLUMNS
如果您不关心重复的名称。
另一个选项是 SELECT Column names fromINFORMATION_SCHEMA
SELECT DISTINCT column_name FROM INFORMATION_SCHEMA.COLUMNS
ORDER BY column_name
拥有TableName和ColumnName通常更有趣，下面的查询就是这样做的。
SELECT
Object_Name(Id) As TableName,
Name As ColumnName
FROM SysColumns
结果看起来像
TableName ColumnName
0 Table1 column11
1 Table1 Column12
2 Table2 Column21
3 Table2 Column22
4 Table3 Column23
于 2018-10-26T18:51:36.953 回答
2
SELECT sys.columns.name AS ColumnName, tables.name AS TableName
FROM sys.columns
JOIN sys.tables ON sys.columns.object_id = tables.object_id
于 2019-05-21T07:32:57.990 回答
2
我用了：
EXEC sp_MSforeachdb 'Use ? Select * From INFORMATION_SCHEMA.COLUMNS '
它似乎可以满足我的需要。
于 2019-09-20T17:38:43.143 回答
1
对于像我这样在他们的数据库服务器上获得整理乐趣的人来说，对 KM 的解决方案进行了细微的改进......
DECLARE @SQL varchar(max)=''
SELECT @SQL=@SQL+'UNION
select
'''+d.name +'.''+sh.name+''.''+o.name COLLATE SQL_Latin1_General_CP1_CI_AS,c.name COLLATE SQL_Latin1_General_CP1_CI_AS,c.column_id
from '+d.name +'.sys.columns c
inner join sys.objects o on c.object_id=o.object_id
INNER JOIN sys.schemas sh on o.schema_id=sh.schema_id
'
FROM sys.databases d
SELECT @SQL=RIGHT(@SQL,LEN(@SQL)-5)+'order by 1,3'
--print @SQL
EXEC (@SQL)
（仍然生活在希望我们能找到一种可以包装到视图中的方法。）
于 2013-06-13T22:47:29.747 回答