痛快-代码生成所用SQL

查询所有表及注释

SELECT  so.name ,
        ep.[value] AS [description]
FROM    sysobjects so ( NOLOCK )
        LEFT JOIN sys.extended_properties ep ( NOLOCK ) ON ep.major_id = so.id
                                                           AND ep.minor_id = 0
WHERE   so.[type] = 'U'
ORDER BY so.name

查询表中所有字段及注释

SELECT  c.name ,
        t.name AS [type] ,
        c.max_length AS maxLength ,
        c.is_nullable AS isNullable ,
        ( SELECT    COUNT(1)
          FROM      sys.identity_columns ic ( NOLOCK )
          WHERE     ic.[object_id] = c.[object_id]
                    AND ic.column_id = c.column_id
        ) AS isIdentity ,
        ( SELECT    VALUE
          FROM      sys.extended_properties ep ( NOLOCK )
          WHERE     ep.major_id = c.object_id
                    AND ep.minor_id = c.column_id
        ) AS [description]
FROM    sys.[columns] c ( NOLOCK )
        INNER JOIN sys.tables ts ( NOLOCK ) ON ts.[object_id] = c.[object_id]
        INNER JOIN sys.types t ( NOLOCK ) ON t.system_type_id = c.system_type_id
        INNER JOIN systypes st ( NOLOCK ) ON st.name = t.name
                                             AND st.name <> 'sysname'
        INNER JOIN sysusers su ( NOLOCK ) ON st.uid = su.uid
                                             AND su.name = 'sys'
WHERE   ts.name = 'Question'
ORDER BY c.column_id ASC