【 tulaoshi.com - 编程语言 】
                             
                            --字段添加说明 
EXEC sp_addextendedproperty 'MS_Description', '要添加的说明', 'user', dbo, 'table', 表名, 'column', 列名 
--删除字段说明 
EXEC sp_dropextendedproperty 'MS_Description', 'user', dbo, 'table', 表名, 'column', 字段名 
--查看字段说明 
代码如下:
SELECT 
[Table Name] = i_s.TABLE_NAME, 
[Column Name] = i_s.COLUMN_NAME, 
[Description] = s.value 
FROM 
INFORMATION_SCHEMA.COLUMNS i_s 
LEFT OUTER JOIN 
sysproperties s 
ON 
s.id = OBJECT_ID(i_s.TABLE_SCHEMA+'.'+i_s.TABLE_NAME) 
AND s.smallid = i_s.ORDINAL_POSITION 
AND s.name = 'MS_Description' 
WHERE 
OBJECTPROPERTY(OBJECT_ID(i_s.TABLE_SCHEMA+'.'+i_s.TABLE_NAME), 'IsMsShipped')=0 
AND i_s.TABLE_NAME = 'jobs' 
ORDER BY 
i_s.TABLE_NAME, i_s.ORDINAL_POSITION