Если вам нужна информация о типе данных:
SELECT
so.name 'Table Name',
c.name 'Column Name',
t.Name 'Data type',
c.max_length 'Max Length',
c.precision ,
c.scale ,
c.is_nullable,
ISNULL(i.is_primary_key, 0) 'Primary Key'
FROM
sys.columns c
INNER JOIN
sys.types t ON c.user_type_id = t.user_type_id
LEFT OUTER JOIN
sys.index_columns ic ON ic.object_id = c.object_id AND ic.column_id = c.column_id
LEFT OUTER JOIN
sys.indexes i ON ic.object_id = i.object_id AND ic.index_id = i.index_id
INNER JOIN
sysobjects so ON c.object_id = so.id
WHERE
i.is_primary_key = 1 and
so.xtype = 'U'
Order By 'Table Name', 'Column Name'