Lister les colonnes d’une ou des toutes les tables avec leurs types

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-- Nicolas SOUQUET - 13/12/2010
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SELECT    S.name AS schema_name
    , T.name AS table_name
    , C.name AS column_name
    , C.column_id
    , TY.name AS data_type_name
    , CASE WHEN TY.name IN ('nchar', 'nvarchar') THEN C.max_length / 2 ELSE C.max_length END AS max_length
FROM    sys.schemas AS S
INNER JOIN  sys.tables AS T
      ON S.schema_id = T.schema_id
INNER JOIN  sys.columns AS C  
      ON C.object_id = T.object_id
INNER JOIN  sys.types AS TY
      ON TY.system_type_id = C.system_type_id
      AND TY.system_type_id = TY.user_type_id
WHERE    1 = 1
--AND    S.name = 'dbo'
--AND    T.name = 'maTable'
--AND    C.name = 'maColonne'
ORDER BY  T.name, C.column_id