How can an Oracle database be created?

To create a database in Oracle, follow these steps:

1. Open Oracle database management tools such as SQL*Plus or SQL Developer, and log in as an administrator.
2. Create a database instance by entering the following command:
   CREATE DATABASE database_name;
3. The database_name is the name of the database you wish to create.
4. To specify the storage location of the database file, use the following command:
   CREATE TABLESPACE tablespace_name
   DATAFILE ‘file_path’
   SIZE file_size;
5. tablespace_name is the name of the database tablespace, file_path is the storage path of the database file, and file_size is the size of the database file.
6. Create a user and assign table spaces by entering the command:
   CREATE USER username IDENTIFIED BY password
   DEFAULT TABLESPACE tablespace_name
   TEMPORARY TABLESPACE temp_tablespace_name;
7. The username represents the name of the user to be created, the password is the user’s password, the tablespace_name is the user’s default tablespace, and the temp_tablespace_name is the user’s temporary tablespace.
8. Grant the user permissions by entering the following command:
   GRANT privilege TO username;
9. One of these is the privilege that needs to be granted, such as CREATE SESSION, CREATE TABLE, CREATE VIEW, and so on.
10. After completing the above steps, you have successfully created an Oracle database.