啓動關閉oracle數據庫:
su - oracle
lsnrctl start; //啓動監聽 lsnrctl status //測試監聽 lsnrctl stop //關閉監聽【監聽這塊是在oracle用戶下】
sqlplus /nolog
connect /as sysdba; // 連接oracle
startup //起動數據庫
shutdown immediate; //關閉數據庫
命令導入dmp數據庫文件:(sqlplus / as sysdba管理員登錄創建)
1.創建用戶名密碼 create user qfw identified by qfw
賦權限 grant dba to qfw
2.切換至oralce用戶下導入文件BEILIN620190628.dmp
imp qfw/qfw file=/u01/BEILIN620190628.dmp full=y;
備份數據庫
su - oralce
exp wcm/[email protected]:1521/orcl buffer=64000 file=wcm.dmp owner=wcm /*@127.0.0.1數據庫ip*/
基本命令:
select username from all_users;
alter system set processes=500 scope = spfile; -修改進程數
commit;--提交併重啓數據庫
startup force pfile='/cicro/opt/oracle/app/admin/orcl/pfile/init.ora.642017143659'; --啓動數據庫
drop table I_SYSTEM_LOGIN;--刪除表
select table_name from user_tables;--查看所有表
select * from I_SYSTEM_LOGIN;--查看錶數據