Oracle Comment 獲取並修改表或字段注釋

select * from dba_tables where owner = 'DINGYINGSI';
select * from user_col_comments where table_name = 'STUDENT';

comment on table "STUDENT" is '這是學生信息表';
comment on column STUDENT.ID is '這是一個學生的ID';

注意表名的大小寫