Oracle查看表结构
Oracle查看表结构
Sql代码 SELECT t1.Table_Name AS "表名称", t3.comments AS "表说明", t1.Column_Name AS "字段名称", t1.Data_Type AS "数据类型", t1.Data_Length AS "长度", t1.NullAble AS "是否为空", t2.Comments AS "字段说明", t1.Data_Default "默认值" 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 ) and t1.TABLE_NAME = '《表名》' ORDER BY t1.Table_Name, t1.Column_ID;