Oracle Database: All-Inclusive Guide to Database Administration


Oracle Database

The relational database management system is called Oracle. Another name for it is OracleDB or just Oracle. Oracle Corporation is the one who manufactures and markets it. It’s

Along with other engineers, Lawrence Ellison created it in 1977. It is one of the most widely used relational database engines in the IT industry for storing, organizing, and retrieving data.

Table of content

  • Introduction
  • What is Oracle Database
  • Oracle Database Features
  • Key Responsibilities of Oracle Database Administrator
  • Oracle database editions in order of priority
  • Benefits of Oracle Database
  • Disadvantages of Oracle Database
  • Conclusion
  • Bibliography

What is Oracle Database?

  • An Oracle database is a collection of data treated as a unit. The purpose of a database is to store and retrieve related information. 
  • A database server is the key to solving the problems of information management.
  • A database server also prevents unauthorized access and provides efficient solutions for failure recovery.

Oracle Database Features

Oracle Database Features


1. Scalability & Performance: Oracle databases are scalable and dependent on consumption thanks to technologies like RAC (Real Application Cluster) and portability. Oracle offers solutions for improving performance, including Oracle Database In-Memory, Oracle Advanced Compression, Oracle Real Application Testing, and Oracle Times Ten Application-Tier Database Cache. Optimizing system performance to the maximum extent feasible is their primary goal.
2. Accessibility: The database is always available, meaning it is never offline or unreliable.
3. Backup and Recovery: Guarding the database against data loss and rebuilding it following data loss are the goals of a backup and recovery plan. ..
4. Security: To prevent unwanted access, Oracle has a framework in place for managing database access and control. Oracle’s Advanced Security features enable it to offer strong security.

Key Responsibilities of Oracle Database Administrator

Key Responsibilities of Oracle Database Administrator

Source: JanBaskTraining

  • Data Collection
  • Data Migration
  • Data Designing
  • Data Recovery
  • Installations
  • Configuration
  • Performance Monitoring
  • Security Mechanisms
  • Trouble Shooting
  • Data Recovery Techniques
  • Planning

Oracle database editions in order of priority​

  • Enterprise Edition: It is the most robust and secure edition. It offers all features, including superior performance and security.
  • Standard Edition: It provides the base functionality for users that do not require Enterprise Edition’s robust package.
  • Express Edition (XE): It is the lightweight, free, and limited Windows, and Linux edition.
  • Oracle Lite: It is designed for mobile devices.
  • Personal Edition: It’s comparable to the Enterprise Edition but without the Oracle Real Application Clusters feature.

Benefits of Oracle Database

  • Performance: Oracle has procedures and principles that help us to get high levels of database performance.
  • Multiple Database:  Its database supports managing multiple database instances on a single server. 
  • PL/SQL: One of the greatest benefits of using the Oracle database is to support PL/SQL extension for procedural programming.
  • Flashback Technology: This advantage comes with the recent Oracle version. It allows us to recover those data that are incorrectly deleted or lost by human errors like accidental deletion of valuable data, deleting the wrong data, or dropping the table.

Disadvantages of Oracle Database

  • Complexity: Oracle is not recommended for use when the users are not technically savvy and have limited technical skills required to deal with the Oracle Database. It is also not advised to use if the company is looking for a database with limited functionality and easy-to-use.
  • Cost: The price of Oracle products is very high in comparison to other databases. Therefore users are more likely to choose other less expensive options such as MS SQL Server, MySQL, etc.
  • Difficult to manage: Oracle databases are often much more complex and difficult in terms of the management of certain activities.



We can conclude that Oracle is a powerful database server management software that can also serve the requirements of enterprise-level and small-level applications. It enjoys widespread usage and encompasses nearly all the features necessary to support modern applications.

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