SQL Server 字段和对应的说明操作（SQL Server 2005 +）

EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'【说明文字】' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'【表名】', @level2type=N'COLUMN',@level2name=N'【字段】'

SELECT
[Table Name] = OBJECT_NAME(c.object_id),
[Column Name] = c.name,
[Description] = ex.value
FROM
sys.columns c
LEFT OUTER JOIN
sys.extended_properties ex
ON
ex.major_id = c.object_id
AND ex.minor_id = c.column_id
AND ex.name = 'MS_Description'
WHERE
OBJECTPROPERTY(c.object_id, 'IsMsShipped')=0
-- AND OBJECT_NAME(c.object_id) = 'your_table'
ORDER
BY OBJECT_NAME(c.object_id), c.column_id