(1)查看庫資訊
select * from v$version
(2)查看字元集
select * from sys.props$ wherename='NLS_CHARACTERSET';
1. 進程查看
l 資料庫寫進程:oracle 2438 1 0 01:39 ? 00:00:00 ora_dbw0_EDWPRD
l 日誌寫進程: oracle 2440 1 0 01:39 ? 00:00:00 ora_lgwr_EDWPRD
l 監控進程: oracle 2432 1 0 01:39 ? 00:00:00 ora_pmon_EDWPRD
l 檢查點寫進程:oracle 2442 1 0 01:39 ? 00:00:00 ora_ckpt_EDWPRD
l 系統監控進程:oracle 2444 1 0 01:39 ? 00:00:00 ora_smon_EDWPRD
l 恢複進程; oracle 2446 1 0 01:39 ? 00:00:00 ora_reco_EDWPRD
2. 資料庫的啟動:
(1)從unmount狀態切換到 mount狀態
sqlplus / as sysdba
SQL> startup nomount
ORACLE instance started.
Total System Global Area 285212672 bytes
Fixed Size 2020224 bytes
Variable Size 113249408 bytes
Database Buffers 167772160 bytes
Redo Buffers 2170880 bytes
SQL> alter database edwprd mount;
(2)從read only狀態切換到read write
alter database edwprd open read only;
shutdown
startup mount
alter database edwprd open read write;
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