Réponses:
SELECT Col.Column_Name from
INFORMATION_SCHEMA.TABLE_CONSTRAINTS Tab,
INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE Col
WHERE
Col.Constraint_Name = Tab.Constraint_Name
AND Col.Table_Name = Tab.Table_Name
AND Constraint_Type = 'PRIMARY KEY'
AND Col.Table_Name = '<your table name>'
a
, b
et c
, (dans cet ordre) , alors ma table a une clé primaire composite de abc
?
Il est généralement recommandé maintenant d'utiliser les sys.*
vues INFORMATION_SCHEMA
dans SQL Server, donc à moins que vous ne prévoyiez de migrer des bases de données, je les utiliserais. Voici comment vous le feriez avec les sys.*
vues:
SELECT
c.name AS column_name,
i.name AS index_name,
c.is_identity
FROM sys.indexes i
inner join sys.index_columns ic ON i.object_id = ic.object_id AND i.index_id = ic.index_id
inner join sys.columns c ON ic.object_id = c.object_id AND c.column_id = ic.column_id
WHERE i.is_primary_key = 1
and i.object_ID = OBJECT_ID('<schema>.<tablename>');
C'est une solution qui utilise uniquement sys -tables.
Il répertorie toutes les clés primaires de la base de données. Il renvoie le schéma, le nom de la table, le nom de la colonne et l' ordre de tri des colonnes correct pour chaque clé primaire.
Si vous souhaitez obtenir la clé primaire d'une table spécifique, vous devez filtrer sur SchemaName
et TableName
.
IMHO, cette solution est très générique et n'utilise aucune chaîne littérale, elle fonctionnera donc sur n'importe quelle machine.
select
s.name as SchemaName,
t.name as TableName,
tc.name as ColumnName,
ic.key_ordinal as KeyOrderNr
from
sys.schemas s
inner join sys.tables t on s.schema_id=t.schema_id
inner join sys.indexes i on t.object_id=i.object_id
inner join sys.index_columns ic on i.object_id=ic.object_id
and i.index_id=ic.index_id
inner join sys.columns tc on ic.object_id=tc.object_id
and ic.column_id=tc.column_id
where i.is_primary_key=1
order by t.name, ic.key_ordinal ;
Voici une autre façon de la question obtenir la clé primaire de la table à l'aide d'une requête SQL :
SELECT COLUMN_NAME
FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE
WHERE OBJECTPROPERTY(OBJECT_ID(CONSTRAINT_SCHEMA+'.'+CONSTRAINT_NAME), 'IsPrimaryKey') = 1
AND TABLE_NAME = '<your table name>'
Il utilise KEY_COLUMN_USAGE
pour déterminer les contraintes pour une table donnée
Puis utilise pour déterminer si chacune est une clé primaireOBJECTPROPERTY(id, 'IsPrimaryKey')
Utilise MS SQL Server, vous pouvez effectuer les opérations suivantes:
--List all tables primary keys
select * from information_schema.table_constraints
where constraint_type = 'Primary Key'
Vous pouvez également filtrer sur la colonne table_name si vous souhaitez une table spécifique.
- Ceci est une autre version modifiée qui est également un exemple de requête co-associée
SELECT TC.TABLE_NAME as [Table_name], TC.CONSTRAINT_NAME as [Primary_Key]
FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS TC
INNER JOIN INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE CCU
ON TC.CONSTRAINT_NAME = CCU.CONSTRAINT_NAME
WHERE TC.CONSTRAINT_TYPE = 'PRIMARY KEY' AND
TC.TABLE_NAME IN
(SELECT [NAME] AS [TABLE_NAME] FROM SYS.OBJECTS
WHERE TYPE = 'U')
Cela devrait lister toutes les contraintes (clé primaire et clés étrangères) et à la fin de la requête mettre le nom de la table
/* CAST IS DONE , SO THAT OUTPUT INTEXT FILE REMAINS WITH SCREEN LIMIT*/
WITH ALL_KEYS_IN_TABLE (CONSTRAINT_NAME,CONSTRAINT_TYPE,PARENT_TABLE_NAME,PARENT_COL_NAME,PARENT_COL_NAME_DATA_TYPE,REFERENCE_TABLE_NAME,REFERENCE_COL_NAME)
AS
(
SELECT CONSTRAINT_NAME= CAST (PKnUKEY.name AS VARCHAR(30)) ,
CONSTRAINT_TYPE=CAST (PKnUKEY.type_desc AS VARCHAR(30)) ,
PARENT_TABLE_NAME=CAST (PKnUTable.name AS VARCHAR(30)) ,
PARENT_COL_NAME=CAST ( PKnUKEYCol.name AS VARCHAR(30)) ,
PARENT_COL_NAME_DATA_TYPE= oParentColDtl.DATA_TYPE,
REFERENCE_TABLE_NAME='' ,
REFERENCE_COL_NAME=''
FROM sys.key_constraints as PKnUKEY
INNER JOIN sys.tables as PKnUTable
ON PKnUTable.object_id = PKnUKEY.parent_object_id
INNER JOIN sys.index_columns as PKnUColIdx
ON PKnUColIdx.object_id = PKnUTable.object_id
AND PKnUColIdx.index_id = PKnUKEY.unique_index_id
INNER JOIN sys.columns as PKnUKEYCol
ON PKnUKEYCol.object_id = PKnUTable.object_id
AND PKnUKEYCol.column_id = PKnUColIdx.column_id
INNER JOIN INFORMATION_SCHEMA.COLUMNS oParentColDtl
ON oParentColDtl.TABLE_NAME=PKnUTable.name
AND oParentColDtl.COLUMN_NAME=PKnUKEYCol.name
UNION ALL
SELECT CONSTRAINT_NAME= CAST (oConstraint.name AS VARCHAR(30)) ,
CONSTRAINT_TYPE='FK',
PARENT_TABLE_NAME=CAST (oParent.name AS VARCHAR(30)) ,
PARENT_COL_NAME=CAST ( oParentCol.name AS VARCHAR(30)) ,
PARENT_COL_NAME_DATA_TYPE= oParentColDtl.DATA_TYPE,
REFERENCE_TABLE_NAME=CAST ( oReference.name AS VARCHAR(30)) ,
REFERENCE_COL_NAME=CAST (oReferenceCol.name AS VARCHAR(30))
FROM sys.foreign_key_columns FKC
INNER JOIN sys.sysobjects oConstraint
ON FKC.constraint_object_id=oConstraint.id
INNER JOIN sys.sysobjects oParent
ON FKC.parent_object_id=oParent.id
INNER JOIN sys.all_columns oParentCol
ON FKC.parent_object_id=oParentCol.object_id /* ID of the object to which this column belongs.*/
AND FKC.parent_column_id=oParentCol.column_id/* ID of the column. Is unique within the object.Column IDs might not be sequential.*/
INNER JOIN sys.sysobjects oReference
ON FKC.referenced_object_id=oReference.id
INNER JOIN INFORMATION_SCHEMA.COLUMNS oParentColDtl
ON oParentColDtl.TABLE_NAME=oParent.name
AND oParentColDtl.COLUMN_NAME=oParentCol.name
INNER JOIN sys.all_columns oReferenceCol
ON FKC.referenced_object_id=oReferenceCol.object_id /* ID of the object to which this column belongs.*/
AND FKC.referenced_column_id=oReferenceCol.column_id/* ID of the column. Is unique within the object.Column IDs might not be sequential.*/
)
select * from ALL_KEYS_IN_TABLE
where
PARENT_TABLE_NAME in ('YOUR_TABLE_NAME')
or REFERENCE_TABLE_NAME in ('YOUR_TABLE_NAME')
ORDER BY PARENT_TABLE_NAME,CONSTRAINT_NAME;
Pour référence, veuillez lire sur - http://blogs.msdn.com/b/sqltips/archive/2005/09/16/469136.aspx
SELECT t.name AS 'table', i.name AS 'index', it.xtype,
(SELECT c.name FROM syscolumns c INNER JOIN sysindexkeys k
ON k.indid = i.indid
AND c.colid = k.colid
AND c.id = t.id
AND k.keyno = 1
AND k.id = t.id)
AS 'column1',
(SELECT c.name FROM syscolumns c INNER JOIN sysindexkeys k
ON k.indid = i.indid
AND c.colid = k.colid
AND c.id = t.id
AND k.keyno = 2
AND k.id = t.id)
AS 'column2',
(SELECT c.name FROM syscolumns c INNER JOIN sysindexkeys k
ON k.indid = i.indid
AND c.colid = k.colid
AND c.id = t.id
AND k.keyno = 3
AND k.id = t.id)
AS 'column3',
(SELECT c.name FROM syscolumns c INNER JOIN sysindexkeys k
ON k.indid = i.indid
AND c.colid = k.colid
AND c.id = t.id
AND k.keyno = 4
AND k.id = t.id)
AS 'column4',
(SELECT c.name FROM syscolumns c INNER JOIN sysindexkeys k
ON k.indid = i.indid
AND c.colid = k.colid
AND c.id = t.id
AND k.keyno = 5
AND k.id = t.id)
AS 'column5',
(SELECT c.name FROM syscolumns c INNER JOIN sysindexkeys k
ON k.indid = i.indid
AND c.colid = k.colid
AND c.id = t.id
AND k.keyno = 6
AND k.id = t.id)
AS 'column6',
(SELECT c.name FROM syscolumns c INNER JOIN sysindexkeys k
ON k.indid = i.indid
AND c.colid = k.colid
AND c.id = t.id
AND k.keyno = 7
AND k.id = t.id)
AS 'column7',
(SELECT c.name FROM syscolumns c INNER JOIN sysindexkeys k
ON k.indid = i.indid
AND c.colid = k.colid
AND c.id = t.id
AND k.keyno = 8
AND k.id = t.id)
AS 'column8',
(SELECT c.name FROM syscolumns c INNER JOIN sysindexkeys k
ON k.indid = i.indid
AND c.colid = k.colid
AND c.id = t.id
AND k.keyno = 9
AND k.id = t.id)
AS 'column9',
(SELECT c.name FROM syscolumns c INNER JOIN sysindexkeys k
ON k.indid = i.indid
AND c.colid = k.colid
AND c.id = t.id
AND k.keyno = 10
AND k.id = t.id)
AS 'column10',
FROM sysobjects t
INNER JOIN sysindexes i ON i.id = t.id
INNER JOIN sysobjects it ON it.parent_obj = t.id AND it.name = i.name
WHERE it.xtype = 'PK'
ORDER BY t.name, i.name
Merci Guy.
Avec une légère variation, je l'ai utilisé pour trouver toutes les clés primaires de toutes les tables.
SELECT A.Name,Col.Column_Name from
INFORMATION_SCHEMA.TABLE_CONSTRAINTS Tab,
INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE Col ,
(select NAME from dbo.sysobjects where xtype='u') AS A
WHERE
Col.Constraint_Name = Tab.Constraint_Name
AND Col.Table_Name = Tab.Table_Name
AND Constraint_Type = 'PRIMARY KEY '
AND Col.Table_Name = A.Name
SELECT A.TABLE_NAME as [Table_name], A.CONSTRAINT_NAME as [Primary_Key]
FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS A, INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE B
WHERE CONSTRAINT_TYPE = 'PRIMARY KEY' AND A.CONSTRAINT_NAME = B.CONSTRAINT_NAME
Celui-ci vous donne les colonnes qui sont PK.
SELECT COLUMN_NAME FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE WHERE TABLE_NAME = 'TableName'
La requête ci-dessous répertorie les clés primaires d' une table particulière :
SELECT DISTINCT
CONSTRAINT_NAME AS [Constraint],
TABLE_SCHEMA AS [Schema],
TABLE_NAME AS TableName
FROM
INFORMATION_SCHEMA.KEY_COLUMN_USAGE
WHERE
TABLE_NAME = 'mytablename'
Je raconte une technique simple que je suis
SP_HELP 'table_name'
exécutez ce code en tant que requête. Mentionnez le nom de votre table à la place du nom_table pour lequel vous voulez connaître la clé primaire (n'oubliez pas les guillemets simples). Le résultat s'affichera comme l'image ci-jointe. J'espère que cela vous aidera
Pour une liste séparée par des virgules de colonnes de clé primaire pour un TableName et un schéma donnés:
Select distinct SUBSTRING ( stuff(( select distinct ',' + [COLUMN_NAME]
from INFORMATION_SCHEMA.KEY_COLUMN_USAGE
where OBJECTPROPERTY(OBJECT_ID(CONSTRAINT_SCHEMA + '.' + QUOTENAME(CONSTRAINT_NAME)), 'IsPrimaryKey') = 1
AND TABLE_NAME = 'TableName' AND TABLE_SCHEMA = 'Schema'
order by 1 FOR XML PATH(''), TYPE).value('.', 'NVARCHAR(MAX)'),1,0,'' )
,2,9999)
Essayez ceci:
SELECT
CONSTRAINT_CATALOG AS DataBaseName,
CONSTRAINT_SCHEMA AS SchemaName,
TABLE_NAME AS TableName,
CONSTRAINT_Name AS PrimaryKey
FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS
WHERE CONSTRAINT_TYPE = 'Primary Key' and Table_Name = 'YourTable'
Cette version affiche le schéma, le nom de la table et une liste ordonnée et séparée par des virgules de clés primaires. Object_Id () ne fonctionne pas pour les serveurs de liens, nous filtrons donc par le nom de la table.
Sans le REPLACE (Si1.Column_Name, ``, ''), il afficherait les balises xml d'ouverture et de fermeture pour Column_Name sur la base de données sur laquelle je testais. Je ne sais pas pourquoi la base de données a nécessité un remplacement pour «Column_Name», donc si quelqu'un sait, veuillez commenter.
DECLARE @TableName VARCHAR(100) = '';
WITH Sysinfo
AS (SELECT Kcu.Table_Name
, Kcu.Table_Schema AS Schema_Name
, Kcu.Column_Name
, Kcu.Ordinal_Position
FROM [LinkServer].Information_Schema.Key_Column_Usage Kcu
JOIN [LinkServer].Information_Schema.Table_Constraints AS Tc ON Tc.Constraint_Name = Kcu.Constraint_Name
WHERE Tc.Constraint_Type = 'Primary Key')
SELECT Schema_Name
,Table_Name
, STUFF(
(
SELECT ', '
, REPLACE(Si1.Column_Name, '', '')
FROM Sysinfo Si1
WHERE Si1.Table_Name = Si2.Table_Name
ORDER BY Si1.Table_Name
, Si1.Ordinal_Position
FOR XML PATH('')
), 1, 2, '') AS Primary_Keys
FROM Sysinfo Si2
WHERE Table_Name = CASE
WHEN @TableName NOT IN( '', 'All')
THEN @TableName
ELSE Table_Name
END
GROUP BY Si2.Table_Name, Si2.Schema_Name;
Et le même modèle en utilisant la requête de George:
DECLARE @TableName VARCHAR(100) = '';
WITH Sysinfo
AS (SELECT S.Name AS Schema_Name
, T.Name AS Table_Name
, Tc.Name AS Column_Name
, Ic.Key_Ordinal AS Ordinal_Position
FROM [LinkServer].Sys.Schemas S
JOIN [LinkServer].Sys.Tables T ON S.Schema_Id = T.Schema_Id
JOIN [LinkServer].Sys.Indexes I ON T.Object_Id = I.Object_Id
JOIN [LinkServer].Sys.Index_Columns Ic ON I.Object_Id = Ic.Object_Id
AND I.Index_Id = Ic.Index_Id
JOIN [LinkServer].Sys.Columns Tc ON Ic.Object_Id = Tc.Object_Id
AND Ic.Column_Id = Tc.Column_Id
WHERE I.Is_Primary_Key = 1)
SELECT Schema_Name
,Table_Name
, STUFF(
(
SELECT ', '
, REPLACE(Si1.Column_Name, '', '')
FROM Sysinfo Si1
WHERE Si1.Table_Name = Si2.Table_Name
ORDER BY Si1.Table_Name
, Si1.Ordinal_Position
FOR XML PATH('')
), 1, 2, '') AS Primary_Keys
FROM Sysinfo Si2
WHERE Table_Name = CASE
WHEN @TableName NOT IN('', 'All')
THEN @TableName
ELSE Table_Name
END
GROUP BY Si2.Table_Name, Si2.Schema_Name;
J'ai trouvé cela utile, donne une liste de tables avec une liste séparée par des virgules des colonnes, puis une liste séparée par des virgules dont celles sont la clé primaire
SELECT T.TABLE_SCHEMA, T.TABLE_NAME,
STUFF((
SELECT ', ' + C.COLUMN_NAME
FROM INFORMATION_SCHEMA.COLUMNS C
WHERE C.TABLE_SCHEMA = T.TABLE_SCHEMA
AND T.TABLE_NAME = C.TABLE_NAME
FOR XML PATH ('')
), 1, 2, '') AS Columns,
STUFF((
SELECT ', ' + C.COLUMN_NAME
FROM INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE C
INNER JOIN INFORMATION_SCHEMA.TABLE_CONSTRAINTS TC
ON C.TABLE_SCHEMA = TC.TABLE_SCHEMA
AND C.TABLE_NAME = TC.TABLE_NAME
WHERE C.TABLE_SCHEMA = T.TABLE_SCHEMA
AND T.TABLE_NAME = C.TABLE_NAME
AND TC.CONSTRAINT_TYPE = 'PRIMARY KEY'
FOR XML PATH ('')
), 1, 2, '') AS [Key]
FROM INFORMATION_SCHEMA.TABLES T
ORDER BY T.TABLE_SCHEMA, T.TABLE_NAME
La table Sys.Objects contient une ligne pour chaque objet défini par l'utilisateur et ayant une portée de schéma.
Les contraintes créées comme la clé primaire ou d'autres seront l' objet et le nom de la table sera l' objet_parent
Interrogez sys.Objects et collectez les ID de l'objet du type requis
declare @TableName nvarchar(50)='TblInvoice' -- your table name
declare @TypeOfKey nvarchar(50)='PK' -- For Primary key
SELECT Name FROM sys.objects
WHERE type = @TypeOfKey
AND parent_object_id = OBJECT_ID (@TableName)
Puis-je suggérer une réponse simple plus précise à la question initiale ci-dessous
SELECT
KEYS.table_schema, KEYS.table_name, KEYS.column_name, KEYS.ORDINAL_POSITION
FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE keys
INNER JOIN INFORMATION_SCHEMA.TABLE_CONSTRAINTS CONS
ON cons.TABLE_SCHEMA = keys.TABLE_SCHEMA
AND cons.TABLE_NAME = keys.TABLE_NAME
AND cons.CONSTRAINT_NAME = keys.CONSTRAINT_NAME
WHERE cons.CONSTRAINT_TYPE = 'PRIMARY KEY'
Remarques:
Peut-être publié récemment, mais j'espère que cela aidera quelqu'un à voir la liste des clés primaires sur le serveur SQL en utilisant cette requête t-sql:
SELECT schema_name(t.schema_id) AS [schema_name], t.name AS TableName,
COL_NAME(ic.OBJECT_ID,ic.column_id) AS PrimaryKeyColumnName,
i.name AS PrimaryKeyConstraintName
FROM sys.tables t
INNER JOIN sys.indexes AS i on t.object_id=i.object_id
INNER JOIN sys.index_columns AS ic ON i.OBJECT_ID = ic.OBJECT_ID
AND i.index_id = ic.index_id
WHERE OBJECT_NAME(ic.OBJECT_ID) = 'YourTableNameHere'
Vous pouvez voir la liste de toutes les clés étrangères en utilisant cette requête si vous le souhaitez:
SELECT
f.name as ForeignKeyConstraintName
,OBJECT_NAME(f.parent_object_id) AS ReferencingTableName
,COL_NAME(fc.parent_object_id, fc.parent_column_id) AS ReferencingColumnName
,OBJECT_NAME (f.referenced_object_id) AS ReferencedTableName
,COL_NAME(fc.referenced_object_id, fc.referenced_column_id) AS
ReferencedColumnName ,delete_referential_action_desc AS
DeleteReferentialActionDesc ,update_referential_action_desc AS
UpdateReferentialActionDesc
FROM sys.foreign_keys AS f
INNER JOIN sys.foreign_key_columns AS fc
ON f.object_id = fc.constraint_object_id
--WHERE OBJECT_NAME(f.parent_object_id) = 'YourTableNameHere'
--If you want to know referecing table details
WHERE OBJECT_NAME(f.referenced_object_id) = 'YourTableNameHere'
--If you want to know refereced table details
ORDER BY f.name
J'ai trouvé cela de mon ami, très efficace si vous recherchez toutes les clés primaires de la table sous un schéma particulier.
SELECT tc.constraint_name AS IndexName,tc.table_name AS TableName,tc.table_schema
AS SchemaName,kc.column_name AS COLUMN_NAME
FROM information_schema.table_constraints tc,information_schema.key_column_usage kc
WHERE tc.constraint_type = 'PRIMARY KEY' AND kc.table_name = tc.table_name AND kc.table_schema = tc.table_schema
AND kc.constraint_name = tc.constraint_name AND tc.table_schema='<SCHEMA_NAME>'
Si vous cherchez à faire votre propre ORM ou à générer du code à partir d'une table donnée, alors c'est peut-être ce que vous recherchez:
declare @table varchar(100) = 'mytable';
with cte as
(
select
tc.CONSTRAINT_SCHEMA
, tc.CONSTRAINT_TYPE
, tc.TABLE_NAME
, ccu.COLUMN_NAME
, IS_NULLABLE
, DATA_TYPE
, CHARACTER_MAXIMUM_LENGTH
, NUMERIC_PRECISION
from
INFORMATION_SCHEMA.TABLE_CONSTRAINTS tc
inner join INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE ccu on tc.TABLE_NAME=ccu.TABLE_NAME and tc.TABLE_SCHEMA=ccu.TABLE_SCHEMA
inner join information_schema.COLUMNS c on ccu.COLUMN_NAME=c.COLUMN_NAME and ccu.TABLE_NAME=c.TABLE_NAME and ccu.TABLE_SCHEMA=c.TABLE_SCHEMA
where
tc.table_name=@table
and
ccu.CONSTRAINT_NAME=tc.CONSTRAINT_NAME
union
select TABLE_SCHEMA,'COLUMN', TABLE_NAME, COLUMN_NAME, IS_NULLABLE, DATA_TYPE,CHARACTER_MAXIMUM_LENGTH, NUMERIC_PRECISION from INFORMATION_SCHEMA.COLUMNS where TABLE_NAME=@table
and COLUMN_NAME not in (select COLUMN_NAME from INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE where TABLE_NAME = @table)
)
select
cast(iif(CONSTRAINT_TYPE='PRIMARY KEY',1,0) as bit) PrimaryKey
,cast(iif(CONSTRAINT_TYPE='FOREIGN KEY',1,0) as bit) ForeignKey
,cast(iif(CONSTRAINT_TYPE='COLUMN',1,0) as bit) NotKey
,COLUMN_NAME
,cast(iif(is_nullable='NO',0,1) as bit) IsNullable
, DATA_TYPE
, CHARACTER_MAXIMUM_LENGTH
, NUMERIC_PRECISION
from
cte
order by
case CONSTRAINT_TYPE
when 'PRIMARY KEY' then 1
when 'FOREIGN KEY' then 2
else 3 end
, COLUMN_NAME
Voici à quoi ressemblerait le résultat:
<table cellspacing=0 border=1>
<tr>
<td style=min-width:50px>PrimaryKey</td>
<td style=min-width:50px>ForeignKey</td>
<td style=min-width:50px>NotKey</td>
<td style=min-width:50px>COLUMN_NAME</td>
<td style=min-width:50px>IsNullable</td>
<td style=min-width:50px>DATA_TYPE</td>
<td style=min-width:50px>CHARACTER_MAXIMUM_LENGTH</td>
<td style=min-width:50px>NUMERIC_PRECISION</td>
</tr>
<tr>
<td style=min-width:50px>1</td>
<td style=min-width:50px>0</td>
<td style=min-width:50px>0</td>
<td style=min-width:50px>LectureNoteID</td>
<td style=min-width:50px>0</td>
<td style=min-width:50px>int</td>
<td style=min-width:50px>NULL</td>
<td style=min-width:50px>10</td>
</tr>
<tr>
<td style=min-width:50px>0</td>
<td style=min-width:50px>1</td>
<td style=min-width:50px>0</td>
<td style=min-width:50px>LectureId</td>
<td style=min-width:50px>0</td>
<td style=min-width:50px>int</td>
<td style=min-width:50px>NULL</td>
<td style=min-width:50px>10</td>
</tr>
<tr>
<td style=min-width:50px>0</td>
<td style=min-width:50px>1</td>
<td style=min-width:50px>0</td>
<td style=min-width:50px>NoteTypeID</td>
<td style=min-width:50px>0</td>
<td style=min-width:50px>int</td>
<td style=min-width:50px>NULL</td>
<td style=min-width:50px>10</td>
</tr>
<tr>
<td style=min-width:50px>0</td>
<td style=min-width:50px>0</td>
<td style=min-width:50px>1</td>
<td style=min-width:50px>Body</td>
<td style=min-width:50px>0</td>
<td style=min-width:50px>nvarchar</td>
<td style=min-width:50px>-1</td>
<td style=min-width:50px>NULL</td>
</tr>
<tr>
<td style=min-width:50px>0</td>
<td style=min-width:50px>0</td>
<td style=min-width:50px>1</td>
<td style=min-width:50px>DisplayOrder</td>
<td style=min-width:50px>0</td>
<td style=min-width:50px>int</td>
<td style=min-width:50px>NULL</td>
<td style=min-width:50px>10</td>
</tr>
</table>
Si la clé primaire et le type sont nécessaires, cette requête peut être utile:
SELECT L.TABLE_SCHEMA, L.TABLE_NAME, L.COLUMN_NAME, R.TypeName
FROM(
SELECT COLUMN_NAME, TABLE_NAME, TABLE_SCHEMA
FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE
WHERE OBJECTPROPERTY(OBJECT_ID(CONSTRAINT_SCHEMA + '.' + QUOTENAME(CONSTRAINT_NAME)), 'IsPrimaryKey') = 1
)L
LEFT JOIN (
SELECT
OBJECT_NAME(c.OBJECT_ID) TableName ,c.name AS ColumnName ,t.name AS TypeName
FROM sys.columns AS c
JOIN sys.types AS t ON c.user_type_id=t.user_type_id
)R ON L.COLUMN_NAME = R.ColumnName AND L.TABLE_NAME = R.TableName