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Oracle Database is available by several service providers on-premises, on-cloud, or as a hybrid cloud installation. It may be run on third party servers as well as on Oracle hardware (Exadata on-premises, on Oracle Cloud or at Cloud at Customer). [5] Oracle Database uses SQL for database updating and retrieval. [6]
A database trigger is like a stored procedure that Oracle Database invokes automatically whenever a specified event occurs. It is a named PL/SQL unit that is stored in the database and can be invoked repeatedly. Unlike a stored procedure, you can enable and disable a trigger, but you cannot explicitly invoke it.
SQL Plus is the most basic Oracle Database utility, with a basic command-line interface, commonly used by users, administrators, and programmers. Command types [ edit ]
Oracle APEX can be run inside Oracle Database Express Edition (XE), a free entry-level database. Although the functionality of APEX isn't intentionally limited when running on XE, the limitations of the database engine may prevent some APEX features from functioning. Furthermore, Oracle XE has limits for CPU, memory, and disk usage. [20]
In 1994 DEC sold the Rdb division to Oracle Corporation where it was rebranded Oracle Rdb. As of 2020, Oracle is still actively developing Rdb, with over half of the codebase developed under Oracle's ownership. [4] Version 7.0 ran on OpenVMS for VAX and Alpha, version 7.1 on Alpha only, and versions 7.2 to 7.4 on Alpha and IA-64 (Itanium).
The Oracle Database Appliance also offers a pay-as-you-grow model for Oracle licenses. This allows a customer to only license the CPU count they need and not the entire capacity of the appliance. When virtualized, this is supported for both the database and the application tier. When the Oracle Database Appliance is connected to a ZS3 storage ...
In computing, Oracle Advanced Queuing (AQ) is a sort of message-oriented middleware developed by Oracle Corporation and integrated into its Oracle database. AQ uses database structures as a repository for asynchronous queuing as an element in various Oracle-oriented and heterogeneous operations. Oracle features utilising Advanced Queuing include:
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