use of object_name(), col_name().
--Bonjour,
--Jaime extraire les colonnes des clés secondaires de ma base.
--La requête suivante repond à mon besoin:
Code:
1
2
3
4
5
6
7
8
9
10
11
12
13
| use my_database
SELECT
f.name AS foreign_key_name
,OBJECT_NAME(f.parent_object_id) AS table_name
,COL_NAME(fc.parent_object_id, fc.parent_column_id) AS constraint_column_name
,OBJECT_NAME (f.referenced_object_id) AS referenced_object
,COL_NAME(fc.referenced_object_id, fc.referenced_column_id) AS referenced_column_name
,is_disabled
,delete_referential_action_desc
,update_referential_action_desc
FROM sys.foreign_keys AS f
INNER JOIN sys.foreign_key_columns AS fc
ON f.object_id = fc.constraint_object_id |
--Mais, je ne veux pas utiliser "use my_database
--je fais alors comme suit:
Code:
1
2
3
4
5
6
7
8
9
10
11
12
| SELECT
f.name AS foreign_key_name
,OBJECT_NAME(f.parent_object_id) AS table_name
,COL_NAME(fc.parent_object_id, fc.parent_column_id) AS constraint_column_name
,OBJECT_NAME (f.referenced_object_id) AS referenced_object
,COL_NAME(fc.referenced_object_id, fc.referenced_column_id) AS referenced_column_name
,is_disabled
,delete_referential_action_desc
,update_referential_action_desc
FROM my_database.sys.foreign_keys AS f
INNER JOIN my_database.sys.foreign_key_columns AS fc
ON f.object_id = fc.constraint_object_id |
--mais ça donne pas les résultats souhaités
--le probleme est que cette requête les champs table_name, constraint_column_name, referenced_object
--et referenced_column_name à NULL
--Si quelqun peut m'aider....
---------------------------------------------------------
"Il ne faut demander que les connaisseurs,
et si on l'est, il suffit de se demander."
PMS
