I want to find all column names in all tables in all databases. Is there a query that can do that for me? The database is Microsoft SQL Server 2000.
This question is related to
sql
sql-server
tsql
sql-server-2000
database-schema
Better way for you
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%'''
Minor refinement on KM's solution for those like me who've got collation fun on their DB server....
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)
(Still living in hope that we'll find a way to do this that can be wrapped into a view.)
Some minor improvements
->previous answers weren't showing all results
->possible to filter on column name by setting the column name variable
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)
user @KM say best Answer.
I Use This :
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 + '%' )
SELECT sys.columns.name AS ColumnName, tables.name AS TableName
FROM sys.columns
JOIN sys.tables ON sys.columns.object_id = tables.object_id
I used:
EXEC sp_MSforeachdb 'Use ? Select * From INFORMATION_SCHEMA.COLUMNS '
It seems to work for what I needed.
Why not use
Select * From INFORMATION_SCHEMA.COLUMNS
You can make it DB specific with
Select * From DBNAME.INFORMATION_SCHEMA.COLUMNS
SELECT *
FROM information_schema.columns
WHERE column_name = 'My_Column'
You must set your current database name with USE [db_name] before this query.
To all: Thanks for all the post and comments some are good, but some are better.
The first big script is good because it is delivers just what is needed. The fastest and most detailed is the one suggestion for selecting from INFORMATION_SCHEMA.COLUMNS..
My need was to find all the errant columns of approximately the same name and Several databases.. Sooo, I made my versions of both (see below) ...Either of these two below script work and deliver the goods in seconds.
The assumption in other posts on this link, is that the first code example can be used successfully with for-each-database, is to me, not desirable. This is because the information is within the specific database and the simple use of the "fedb" doesn't produce the correct results, it simply doesn't give access. SOOO to that is why I use a CURSOR to collect the databases and ignore those that are Off-line, which in this case, a utility script, it is a good use of same.
Bottom Line, I read everyone's post, incorporated all the correction from the posts and made what are two very eloquent scripts from others good works. I listed both below and have also placed the script file on my public folder at OneDrive.com which you can access with this link: http://1drv.ms/1vr8yNX
Enjoy ! Hank Freeman
Try them separately...
---------------------------
--- 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
--------
try the below query
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
gives list of tables containing ID column from all databases.
Normally I try to do whatever I can to avoid the use of cursors, but the following query will get you everything you need:
--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
I added a where clause in the main query (ex: B.TABLE_NAME LIKE ''%%'' AND B.COLUMN_NAME LIKE ''%%'') so that you can search for specific tables and/or columns if you want to.
I just realized that the following query would give you all column names from the table in your database (SQL SERVER 2017)
SELECT DISTINCT NAME FROM SYSCOLUMNS
ORDER BY Name
OR SIMPLY
SELECT Name FROM SYSCOLUMNS
If you do not care about duplicated names.
Another option is SELECT Column names from INFORMATION_SCHEMA
SELECT DISTINCT column_name FROM INFORMATION_SCHEMA.COLUMNS
ORDER BY column_name
It is usually more interesting to have the TableName as well as the ColumnName ant the query below does just that.
SELECT
Object_Name(Id) As TableName,
Name As ColumnName
FROM SysColumns
And the results would look like
TableName ColumnName
0 Table1 column11
1 Table1 Column12
2 Table2 Column21
3 Table2 Column22
4 Table3 Column23
Source: Stackoverflow.com