Lister toutes les contraintes de clé étrangère d’une base de données

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-- Nicolas SOUQUET - 09/11/2009
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SELECT    PS.name + '.' + PT.name AS parent_table_name
    , PC.name AS parent_column_name
    , RS.name + '.' + RT.name AS referenced_table_name
    , RC.name AS referenced_column_name
    , FK.name AS foreign_key_name
FROM    sys.schemas AS PS
INNER JOIN  sys.foreign_keys AS FK
      ON PS.schema_id = FK.schema_id
INNER JOIN  sys.foreign_key_columns AS FKC
      ON FK.object_id = FKC.constraint_object_id
INNER JOIN  sys.tables AS PT
      ON FK.parent_object_id = PT.object_id
INNER JOIN  sys.columns AS PC
      ON FKC.parent_object_id = PC.object_id
      AND FKC.parent_column_id = PC.column_id
INNER JOIN  sys.tables AS RT
      ON FK.referenced_object_id = RT.object_id
INNER JOIN  sys.columns AS RC
      ON FKC.referenced_object_id = RC.object_id
      AND FKC.referenced_column_id = RC.column_id
INNER JOIN  sys.schemas AS RS
      ON RT.schema_id = RS.schema_id
WHERE    1 = 1
--AND    RS.name = 'dbo'
--AND    PS.name = 'dbo'
--AND    PT.name = 'maTable'
AND    RT.name = 'maTable'
--AND    RC.name = 'maColonne'
--AND    FK.name = 'maContrainte'
--ORDER BY  parent_table_name
ORDER BY  foreign_key_name