Oracle Database 21c is the latest innovation release of world's most popular database. Oracle Database 21c is now available on Oracle cloud and on-premises for linux including Exadata.
You can directly upgrade to Oracle Database 21c from the following releases:
- Oracle Database 19c
- Oracle Database 18c
- Oracle Database 12c Release 2 (12.2)
- Blockchain Tables
- Oracle Machine Learning
We all should be aware that Innovation Releases have shorter support windows than Long Term Releases such as Oracle Database 19c.
Oracle Database Innovation Releases include many enhancements and new capabilities which will be included in the next Long Term Release. Oracle Database Innovation Releases does not have extended support. As Oracle Database 21c is also an innovation release, which means it will only have 2 years of premium support.
Oracle Database Long Term Releases usually have 5 years of Premier Support followed by 3 years of Extended Support. Personally I would not like to upgrade my production servers to an innovation release (Oracle Database 21c). I would like to upgrade (or stay with my Oracle Database Server with Oracle Database 19c which has Premier Support till April 30, 2024 and after that Extended Support will start for Oracle Database 19c.
I personally would suggest every-one to upgrade their Oracle Database to 19c not to 21c. We can upgrade our database once Oracle Database 23c Database is released.
You can find complete documentation of Oracle Database 21c at
https://docs.oracle.com/en/database/oracle/oracle-database/21/
Related Links- - Automatic Indexing in Oracle 19c Autonomous Database
- Top 18 features of Oracle 18c
- Oracle 18c Database - Autonomous Database Cloud
- Top 15 new features of Oracle Database 12.2 for developers
- Oracle 12c Partitioning New Features - Top 10
- JSON in Oracle Database with Examples
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Oracle Database 21c for on-premises introduces lots of exciting new features that are being enhanced in improving the performance and flexibility of applications at an enterprise level. Therefore, though adoption by business in these innovations opens up for a series of research topics for mba students , it would include advanced exploration in database management fields and the effect on business analytics and how its decision-making processes may be altered.
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