1 Status Query
launch status |
SQL Statement /p> |
results |
Nomount |
Select Statu s from V$instance; |
started |
select Open_mode from v$database; |
ERROR at line 1: Ora-01507:database not mounted |
Mount |
Select status from V$instance |
Mounted |
Select Open_mode from V$database |
Mounted |
Open |
Select status from V$instance |
OPEN |
Select Open_mode from V$database |
Read WRITE or Read only |
2 Experimental Process
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