select machine , terminal from v$session;
10. 用什麽誾句查詢欄位呢?
desc table_name 可以查詢表的統構
select field_name,... from ... 可以查詢欄位的值
select * from all_tables where table_name like '%'
select * from all_tab_columns where table_name=' '
11. 怎樣得到觸發器、過程、函數的創建腳本?
desc user_source
user_triggers