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There was no v1 of Oracle Database, as co-founder Larry Ellison "knew no one would want to buy version 1". [8] For some database releases, Oracle also provides an Express Edition (XE) that is free to use. [9] Oracle Database release numbering has used the following codes:
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. [22]
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.
Starting from Oracle database 11g, iSqlplus (web based) and sqlplus GUI no longer ship with Oracle database software. [7] The command-line SQL Plus interface continues in use, mostly [ citation needed ] for non-interactive scripting or for administrative purposes.
Rdb is built on top of a low-level database kernel named KODA, which handles functionality such as locking, journaling, and buffering of data. [12] The KODA kernel is shared with Oracle's CODASYL DBMS (originally known as VAX DBMS) which is a network model database.
As the platform has been around since 2008, Oracle has published information related to the end-of-support for older Exadata generations. In Oracle's published document titled Oracle Hardware and Systems Support Policies, [8] they mention "After five years from last ship date, replacement parts may not be available and/or the response times for sending replacement parts may be delayed."
(*1) Each version of Oracle Forms can connect to numerous versions of the ORACLE database and is sold and released separately from the ORACLE Database. Oracle Forms is generally forward and backward compatible with the Oracle database - for example: Oracle Forms 9 can connect to at least Oracle 8,9, 10 and 11. The database versions listed here ...
The product includes an open-source distribution of Apache Hadoop.Support from Cloudera was announced in January 2012. [4]The Oracle NoSQL Database, Oracle Data Integrator with an adapter for Hadoop Oracle Loader for Hadoop, an open source distribution of R, Oracle Linux, and Oracle Java Hotspot Virtual Machine were also mentioned in the announcement.