The document provides instructions for using the Database Configuration Assistant (DBCA) in silent mode for creating and deleting databases in Oracle 11g and 12c. It details the necessary command-line parameters for each version, differentiating between the two in terms of additional requirements for Oracle 12c. Additionally, it advises on using response files for parameter specification and reassures users about variations in command formats.

1. DBCA Silent
Mode

2. Coming Up
DBCA create database 11g
DBCA create database 12c
DBCA delete database

3. DBCA Create Database 11g
To run DBCA in silent mode, you just need to add -silent while running the DBCA
utility. The below command will create testdb database in silent mode (oracle
11g version)

4. Notice the parameters:
-silent will run dbca in silent mode
-createDatabase specifies the option you want to perform
-templateName specifies the database template you using
-gdbname is your global database name
-sid is your database identifier

5. DBCA create database 12c
As Oracle 12c has PDB and CDB concepts, the DBCA silent mode has some
more parameters compared to Oracle 11g.
The below command creates Oracle 12c database by running DBCA in silent
mode. This commands works for both Oracle 12cR1 and Oracle 12cR2.

6. Notice the parameters:
-createAsContainerDatabase specifies if you want to create a container database
-datafileDestination specifies the location of your data files
-recoveryAreaDestination specifies the fast recovery area location
Note: you can also specify all the parameters inside a response file and provide
the location of response file.

7. There are many parameters and many variations of dbca commands you
will find. Not all the parameters are mandatory, but if you forget to
specify mandatory parameters, dbca will ask for the value before
proceeding.
Do not panic when you see a different dbca silent mode command. Its
just matter of parameters. Some commands will have only the required
parameters and some will have all the parameters (required + optional).

8. DBCA delete database
You can use DBCA to delete database from a Linux server. Use below
command to run DBCA in silent mode and delete a database

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