Oracle數據庫狀態
阿新 • • 發佈:2017-11-08
write alt read mathjax div math oba redo mode
狀態查詢
實驗過程
SQL> startup nomount; ORACLE instance started. Total System Global Area 125829120 bytes Fixed Size 1247684 bytes Variable Size 92276284 bytes Database Buffers 25165824 bytes Redo Buffers 7139328 bytes SQL> select status from v$instance; STATUS ------------ STARTED SQL> select open_mode from v$database; select open_mode from v$database * ERROR at line 1: ORA-01507: database not mounted SQL> alter database mount; Database altered. SQL> select status from v$instance; STATUS ------------ MOUNTED SQL> select open_mode from v$database; OPEN_MODE ---------- MOUNTED SQL> alter database open; Database altered. SQL> select status from v$instance; STATUS ------------ OPEN SQL> select open_mode from v$database; OPEN_MODE ---------- READ WRITE
Oracle數據庫狀態