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Oracle Database 23c (previously released in 2023) was renamed to Oracle Database 23ai (23.4) due to the significant additional engineering effort to add features that bring AI capabilities to the data in Oracle Database. Oracle Database 23c (23.2 and 23.3) was released in 2023: April 2023 (Linux) Oracle Database Free - Developer Release [11 ...
The same release of Oracle Database Enterprise Edition must be installed on the primary database and all standby databases, except during rolling database upgrades using logical standby databases. Oracle Data Guard is available only as a feature of Oracle Database Enterprise Edition.
One key skill required and often overlooked when selecting a DBA is database recovery (a part of disaster recovery). It is not a case of “if” but a case of “when” a database suffers a failure, ranging from a simple failure to a full catastrophic failure. The failure may be data corruption, media failure, or user induced errors.
Reserved words in SQL and related products In SQL:2023 [3] In IBM Db2 13 [4] In Mimer SQL 11.0 [5] In MySQL 8.0 [6] In Oracle Database 23c [7] In PostgreSQL 16 [1] In Microsoft SQL Server 2022 [2]
[2] 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).
A database administrator (DBA) manages computer databases. [1] The role may include capacity planning, installation, configuration, database design, migration, performance monitoring, security, troubleshooting, as well as backup and data recovery. [2]
2023.2.1 Proprietary: Yes Yes Yes Yes Yes Yes Yes No Yes Yes Sybase, IBM Db2, H2, Hypersonic SQL, Amazon Redshift, Apache Derby, Redis, MongoDB, Snowflake, Exasol, BigQuery, Cassandra, ClickHouse, CockroachDB, Couchbase: Java: DBeaver: Serge Rider 2023-11-20 23.2.5 [2] Apache License: Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Since the early 1990s, the operational database software market has been largely taken over by SQL engines. In 2014, the operational DBMS market (formerly OLTP) was evolving dramatically, with new, innovative entrants and incumbents supporting the growing use of unstructured data and NoSQL DBMS engines, as well as XML databases and NewSQL databases.