How to create user in pluggable database in oracle 12c

Last Updated: May 11, 2021 | Author: Joan-Campbell

How do I add a user to a pluggable database?

To create a common user, you must be connected to the root. You can optionally specify CONTAINER = ALL , which is the default when you are connected to the root. To create a local user, you must be connected to a PDB. You can optionally specify CONTAINER = CURRENT , which is the default when you are connected to a PDB.

How do I create a local user in container database 12c?

Create Local Users:
  1. Must be connected to a user with the create user privilege.
  2. Username for the local user must not be prefixed with “C##” or “c##”.
  3. Username must be unique within the PDB.
  4. You can either specify the container=all clause, or omit it, as this is the default setting when the current container is a PDB.

How do I find users in PDB?

SQL> grant create session, alter session to c##goofy; Grant succeeded. The user is common, so it appears in all the containers, I can check it by querying CDB_USERS from the root container. Then I create also a local user into the HR PDB.

What is PDB Admin user?

Oracle Database creates a local user in the PDB and grants the PDB_DBA local role to that user. The admin user is just a local user with the PDB_DBA role. Example: SQL> CREATE PLUGGABLE DATABASE mypdb ADMIN USER balazs IDENTIFIED BY Oracle123 FILE_NAME_CONVERT=(‘pdbseed’,’mypdb’); Pluggable database created.

How do I know if my database is PDB or CDB?

Check if the database is a CDB database or not it is an operation quite simple. You can check this by querying the v$database using the CDB field as the example below: ?

How do I know if my database is PDB?

Starting Oracle 12.2 sys_context(‘USERENV’,’DB_NAME’) will show the name of the Database in CDB$ROOT and the name of the PDB inside the PDB.

How do I open a PDB database?

Using a trigger to open all pluggable databases.
  1. sqlplus ‘/ as sysdba’
  2. SQL> CREATE OR REPLACE TRIGGER pdb_startup AFTER STARTUP ON DATABASE.
  3. SQL> BEGIN.
  4. SQL> EXECUTE IMMEDIATE ‘alter pluggable database all open‘;
  5. SQL> END pdb_startup;
  6. SQL> /

How do I connect to a PDB database?

Establishing a connection using user defined services involves the following steps:
  1. Create a database service with PDB property using the SRVCTL utility.
  2. Create an entry in the tnsnames. ora file for the service created.
  3. Start the service.
  4. Connect to the database using the service with the pdb property, created in step a.

How do I know the size of my pluggable database?

Check the Size of Oracle Database and PDB databases

select sum(bytes)/1024/1024 size_in_mb from dba_data_files; Check the total space used by data. select sum(bytes)/1024/1024 size_in_mb from dba_segments; Check the size of User or Schema in Oracle.

What is pluggable database?

A pluggable database (PDB) is a portable collection of schemas, schema objects, and nonschema objects that appears to an Oracle Net client as a non-CDB. PDBs can be plugged into to CDBs. A CDB can contain multiple PDBs. Each PDB appears on the network as a separate database.

How do you unlock a user in Oracle?

Use this SQL*Plus procedure to unlock and reset user account passwords.
  1. Log in as the Oracle Database software owner user.
  2. Set the ORACLE_HOME and ORACLE_SID environment variables.
  3. Start SQL*Plus and log in as the SYS user, connecting as SYSDBA: Copy.
  4. To unlock an account: Copy.
  5. To reset the password: Copy.

How do you check if a user is locked in Oracle?

Log in as oracle user. Verify if any database schema user account is locked by using the following command: $ select username, account_status from dba_users where username like ‘PV%’;

How do I unlock a user account?

How do you unlock a user in Oracle SQL Developer?

How to Unlock User Using SQL Developer
  1. Step 2: Find The Oracle Database User. Once you are connected to your database using SYS user then you will have access to all the users which are created in that database.
  2. Step 3: Unlock The User.
  3. Step 4: Edit User Wizard.

How do you unlock a schema?

How to Unlock Sample User/ Schema in oracle database.
  1. Step 1: Set the Oracle SID. First you need to set the SID of the database with which you want to connect in your system.
  2. Step 2: Connect to your database.
  3. Step 3: Unlock user with ALTER USER DDL.

How can I unlock a locked table in Oracle?

Unlock An Oracle Table
  1. Get the object ID of the locked table: SELECT object_id FROM dba_objects WHERE object_name=’YOUR TABLE NAME’;
  2. Get the SID values for this ID: SELECT sid FROM v$lock WHERE id1=OBJECT ID FROM STEP1.
  3. Get the session values for these SIDs:
  4. Kill the sessions causing the lock:

How do you clear a lock in Oracle?

Remove Oracle table row lock
  1. select. session_id. from. dba_dml_locks. where. name = ‘EMP’;
  2. SID. ___ 607.
  3. select. sid, serial# from. v$session. where. sid in ( select. session_id. from. dba_dml_locks. where. name = ‘EMP’) ;
  4. Output :
  5. SID SERIAL# —- ——- 607 1402.

How do I know if a table is locked in Oracle SQL Developer?

Table lock is very common in Oracle database and v$lock is used to check the process and the blocking session. To check and release the lock you need to eliminate the session holding the lock.

Who is locking my account Oracle?

If an oracle user is locked, it is usually caused by an incorrect password entry. In some cases, even if you remove the user’s lock with the help of the following script it will lock again after a while. SQL> alter user ADURUOZ account unlock; User altered.

How do you eliminate a process in Oracle SQL Developer?

Killing (Terminating) a Session
  1. In SQL Developer, click Tools, then Monitor Sessions.
  2. In the Select Connection dialog box, select a connection to SYSTEM (or another account with full DBA privileges)
  3. Right-click in the row for the session to be terminated, and select Kill Session.

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