Creating a user in Oracle Database is a fundamental task for database administrators and developers. As of 2025, Oracle Database continues to enhance its features, offering advanced security and management capabilities. Here’s a step-by-step guide on how to create a user in Oracle Database.
Connect to Oracle Database: Use a tool like SQL*Plus or SQL Developer to connect to your Oracle Database as a user with administrative privileges.
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CONNECT sys/password@database AS SYSDBA; |
Create the User: Use the CREATE USER
statement to define a new user. Specify the username and password.
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CREATE USER new_user IDENTIFIED BY user_password; |
Grant Privileges: Assign necessary privileges to the user. At a minimum, grant the CREATE SESSION
privilege.
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GRANT CREATE SESSION TO new_user; |
Assign Roles: If needed, assign additional roles that suit the user’s responsibilities.
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GRANT CONNECT, RESOURCE TO new_user; |
Set Default Tablespace: Specify the default tablespace for object creation.
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ALTER USER new_user DEFAULT TABLESPACE users; |
Set Quota: Allocate quota on the tablespace for the user.
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ALTER USER new_user QUOTA 50M ON users; |
Verify User Creation: Confirm that the user has been created successfully.
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SELECT username FROM dba_users WHERE username = 'NEW_USER'; |
By following these steps, you can efficiently create a new user in Oracle Database, ensuring proper roles and permissions are assigned for optimal functionality.
For more Oracle Database tips and tricks, check out these related articles: - Selecting Columns by Name in Oracle – Learn how to efficiently select columns using column names. - Common Oracle Query Tools – Discover the most popular tools for querying Oracle databases. - Oracle Query Optimization – Explore techniques for optimizing your Oracle Database queries.
By leveraging these resources, you can enhance your Oracle Database administration skills, ensuring the robust performance and security of your data environment. “`
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