How to start the oracle database, ORA-01033: ORACLE initialization or shutdown in progress

ORA-01033: ORACLE initialization or shutdown in progress
when oracle display error message ORA-01033, its mean that our database is not in working. For that it is very necessary to start the database. for that connect with the sys as sysdba user. and write the command startup open;

[yasaswini]

It is telling pluggable database system does not exist
But my user name is system only
What to do

[Basma_qb]

it displays:
alter session set container=pdborcl
*
ERROR at line 1:
ORA-02248: invalid option for ALTER SESSION

whats the solution?

[trudnynick]

Thanks! the only one video which has helped me !

[fortuneCreator]

what an incredible data scientist you are! tnx u very much

[ifsiybq]

SQL> alter session set container = pdborcl;
ERROR:
ORA-65011: Pluggable database PDBORCL does not exist.

I found this error what should i do ???

[idaharjuno]

After input alter session set container = pdborcl;
it says: error at line 1
Ora-02248: invalid option for alter session

[mailmejay]

you are supposed to connect to ideal instance and show the startup

[aymangomaa]

Thanks Thank you for the video, its really helpful

[abdullahalmaruf]

after alter session
operation only allowed in a container database

[uroosafatima]

It says:
ORA-65090: operation only allowed in a container database

[MrVenkatesh]

Thank you for the video, its really helpful

[killbash]

Thanks, the problem was solved, but when I turn off the computer and turn it on, I enter oracle again, it appears again, is there a way to save the modification

[Atultorane]

Enter user-name: sys as sysdba
Enter password:

Connected to:
Oracle Database 12c Standard Edition Release 12.2.0.1.0 - 64bit Production

SQL> alter session set container = pdborcl;
ERROR:
ORA-65011: Pluggable database PDBORCL does not exist.

[ruchagaikwad]

Hi sir, when I do startup nomount I’m getting error Ora-48189 is comma to create directory failed. Please help. Also when I connect to sql plus as sysdba . If I select as tables like v$database . It says oracle not available.please help

[rashidmehmood]

Which password type on this command (sys as sysdba) plz help 1:38

[debapratimsarkar]

SP2-0640: Not connected.IF I START UP OPEN

[surendrakumar]

ORA-65090: operation only allowed in a container database

[Mahesh_]

sir kindly say again this command

alter session set container

[vimalpatel]

how to fix ORA-65054: Cannot open a pluggable database in the desired mode ?

[snehapainuli]

I opened my oracle account using email so how can I know my username?