复制sql

修改表名 TABLENAME

SELECT  表名 = CASE WHEN a.colorder = 1 THEN d.name ELSE '' END ,
       
        字段名 = a.name ,
        类型 = CASE WHEN b.name IN ( 'varchar', 'nvarchar' )
                  THEN b.name + '('
                       + CAST(COLUMNPROPERTY(a.id, a.name, 'PRECISION') AS VARCHAR(4))
                       + ')'
                  WHEN b.name = 'decimal'
                  THEN b.name + '('
                       + CAST(COLUMNPROPERTY(a.id, a.name, 'PRECISION') AS VARCHAR(4))
                       + ','
                       + CAST(COLUMNPROPERTY(a.id, a.name, 'Scale') AS VARCHAR(4))
                       + ')'
                  ELSE b.name
             END,
        默认值 = a.cdefault,
        字段说明 = ISNULL(g.[value], '') 
FROM syscolumns a    -- 列名
    LEFT JOIN systypes b ON a.xusertype = b.xusertype    -- 类型
    INNER JOIN sysobjects d ON a.id = d.id AND d.xtype = 'U' AND d.name <> 'dtproperties'    --筛选用户对象
    LEFT JOIN syscomments e ON a.cdefault = e.id    --默认值
    LEFT JOIN sys.extended_properties g ON a.id = g.major_id AND a.colid = g.minor_id    --扩展属性(字段说明)
    --LEFT JOIN sys.extended_properties f ON d.id = f.major_id AND f.minor_id = 0          --扩展属性(表说明)
WHERE d.name = 'TABLENAME'    --可修改表名
ORDER BY a.id , a.colorder

转自：http://www.cnblogs.com/kai364/p/5718096.html