How to create a new user in Oracle Database?

To create a new user in the Oracle database, you can follow these steps:

1. Log in to the Oracle database using a database administrator (DBA) account with appropriate permissions.
2. Use the following command to create a new user:

CREATE USER username IDENTIFIED BY password;

The username is the new user’s name, and the password is the new user’s password.

1. Grant appropriate permissions to new users. For example, you can use the following command to give new users full access to their own schema:

GRANT ALL PRIVILEGES TO username;

Additional specific permissions can also be assigned to new users as needed.

1. If necessary, a tablespace can be created for new users. A tablespace is a logical storage structure used to store user data and indexes. You can create a tablespace using the following command:

CREATE TABLESPACE tablespace_name
  DATAFILE 'file_name'
  SIZE size;

The tablespace_name represents the name of the tablespace, file_name refers to the path and name of the tablespace data file, and size indicates the size of the tablespace.

1. Finally, log in to the database with the credentials of the new user and begin using the new user’s database schema.

Please note that the above steps require a database administrator account with appropriate permissions to execute. Make sure to maintain security when creating new users by only granting necessary permissions and using strong passwords to enhance the database’s security.