--获取表的字段及注释
select * from user_col_comments
--查询当前用户所拥有的表select table_name from user_tables; --查询所有的用户拥有的表select * from all_tables;
--获取字段注释:select * from user_col_comments;--select * from dba_col_comments;select * from all_col_comments;