SELECT t1.Table_Name AS "表名稱",t3.comments AS "表說明",
t1.Column_Name AS "字段名稱",
t1.Data_Type AS "數據類型",
t1.Data_Length AS "長度",
t1.NullAble AS "是否爲空",
t2.Comments AS "字段說明",
t1.Data_Default "默認值"
FROM cols t1 left join user_col_comments t2
on t1.Table_name=t2.Table_name and t1.Column_Name=t2.Column_Name
left join user_tab_comments t3
on t1.Table_name=t3.Table_name
WHERE NOT EXISTS ( SELECT t4.Object_Name FROM User_objects t4
WHERE t4.Object_Type='TABLE'
AND t4.Temporary='Y'
AND t4.Object_Name=t1.Table_Name )
ORDER BY t1.Table_Name, t1.Column_ID;