Startup and shutdown of CDB instances

1.1 close cdb example

[email protected]> show con_name;
[email protected]> shutdown immediate;

 View background processes 
[[email protected] ~]$ ps -ef | grep ora_ | grep -v grep

Copy

1.2 start-up cdb example

[[email protected] ~]$ export ORACLE_SID=cdb1
[[email protected] ~]$ sqlplus / as sysdba

 Start the database instance to  nomount  state 
[email protected]> startup nomount;

 View instance status 
[email protected]> select instance_name,status from v$instance;
 see  v$pdbs  Dynamic performance view , Show no results 
[email protected]> select name,con_id,open_mode from v$pdbs;

Copy

1.3 mount load CDB

from nomount Switch database instance to mount state

[email protected]> alter database mount;
[email protected]> select instance_name,status from v$instance;

 see  pdb  situation , Show  pdb  Also in  mounted  state 
[email protected]> col name for a10
[email protected]> select name,con_id,open_mode from v$pdbs;
[email protected]> show pdbs

Copy

1.4 open open CDB

open Open the database instance

[email protected]> alter database open;

[email protected]> select name,status from v$instance;
[email protected]> show pdbs

Copy

1.5 Open and close PDB

1.5.1 see pdb state

[email protected]> show pdbs

Copy

cdb be in open In the state of , pdb Default to mounted state （ seeds pdb PDB$SEED Throughout read only state ）

1.5.2 pdb In the operation open pdb

Switch to pdb1

[email protected]> conn sys/[email protected] as sysdba
[email protected]> show pdbs
open  open  pdb1
[email protected]> alter database open;
[email protected]> show pdbs;

SQL>CONNECT [email protected] AS SYSDBA
SQL> ALTER PLUGGGABLE DATABASE ALL OPEN;
SQL> select name,con_id,open_mode from v$pdbs;

Copy

1.5.3 pdb In the operation close pdb

pdb1 Middle execution command

[email protected]> show pdbs;
[email protected]> shutdown immediate;
[email protected]> show pdbs

Copy

1.5.4 cdb In the operation open pdb

[email protected]> conn / as sysdba
[email protected]> show pdbs
 stay  cdb  Use in  alter pluggable database  sentence  open  open  pdb
[email protected]> alter pluggable database pdb1 open;
[email protected]> show pdbs

Copy

1.5.5 cdb In the operation close pdb

Use alter pluggable database Statement closing pdb

[email protected]> alter pluggable database pdb1 close immediate;
[email protected]> show pdbs

Copy

1.5.6 cdb In the operation Open all non seeds pdb

[email protected]> alter pluggable database all open;
[email protected]> show pdbs;

Copy

1.5.7 Turn on automatically pdb

1.5.7.1 To configure CDB open after PDB open

At present pdb1 open read write state

[email protected]> show pdbs
[email protected]> alter pluggable database pdb1 save state;

Copy