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  1. What Is a Database? - Oracle

    Nov 24, 2020 · A database is an organized collection of structured information, or data, typically stored electronically in a computer system. Databases range from relational to cloud databases.

  2. Introduction to Oracle Database

    An Oracle database server consists of a database and at least one database instance, commonly referred to as simply an instance. Because an instance and a database are so closely …

  3. What Is a Relational Database | Oracle

    Jun 18, 2021 · What Is a Relational Database? A relational database is a type of database that stores and provides access to data points that are related to one another. Relational …

  4. What Is a Cloud Database? - Oracle

    Jun 9, 2023 · A cloud database is a database deployed in the cloud that provides opportunity for organizations to contract with cloud service providers through a subscription model. The …

  5. Oracle Database Instance

    This chapter explains the nature of an Oracle database instance, the parameter and diagnostic files associated with an instance, and what occurs during instance creation and the opening …

  6. MySQL: Understanding What It Is and How It's Used - Oracle

    Aug 29, 2024 · A relational database such as MySQL stores data in separate tables rather than putting all the data in one big storeroom. The database structure is organized into files …

  7. What Is a Container Database? - Oracle

    Also, beginning with Oracle Database 21c, a multitenant container database is the only supported architecture. Like a “pluggable database,” it essentially makes data more accessible and …

  8. What Is NoSQL? | Oracle

    Jun 18, 2021 · The relational database management system (RDBMS) is the basis for structured query language (SQL), which lets users access and manipulate data in highly structured tables.

  9. database vs instances - Ask TOM

    Apr 14, 2009 · Every running Oracle database is associated with at least one Oracle database instance. Because an instance exists in memory and a database exists on disk, an instance …

  10. What Is an Autonomous Database? | Oracle

    Aug 15, 2025 · An autonomous database is a cloud database that uses AI to automate tuning, security, backups, updates, and other routine management activities traditionally handled by …