oracle 23c new features for developer and dba

Oracle Database
23c:Newfeatures

Successor to Oracle Database 19c
Over 300 new features and enhancements
Key focus areas: JSON, graph, microservices, and developer productivity
Enhancements related to blockchain and immutable tables
Introduction to Oracle Database 23c
Overview of Oracle Database 23c as the next long term support release

Opportunity to test new features and provide feedback Access to
cutting-edge capabilities before general release Contribution to
shaping the final product
Engagement with Oracle's development team
Introduction to Oracle Database 23c
Beta period from October 2022 to February 2023

Long-term support for stability and
reliability
Extended support for continued security
updates
Commitment to customer satisfaction and
product longevity
Alignment with evolving business needs and
technology trends
Introduction to Oracle
Database 23c
Support projected until 2028 with
extended support into 2031

New SQL Features
Ability to select without FROM
Select data without using the
FROM clause
No need to use the DUAL table for
selecting data not from a table

New SQL Features
Usage of column alias in GROUP BY and HAVING
Use column alias in GROUP BY
and HAVING clauses
Convenient and efficient grouping and
filtering of data

Use IF EXISTS and IF NOT EXISTS clauses Avoid errors when executing DDL
statements for objects
New SQL Features
Testing for object existence in DDL statements

Allows grouping multiple rows of
data in a single DML or
SELECT statement
Part of the ISO SQL standard Contains hard-coded values for
multiple rows instead of a
function call
Enhancements for Data Manipulation
Introduction of Table Value Constructor

Support for logical replication via Oracle GoldenGate
Rolling upgrades using Active Data Guard
Support for distributed transactions involving blockchain tables Efficient
partition-based bulk dropping for expired rows
Enhancements for blockchain and immutable tables

Introduced in Oracle Database 23c
Enables efficient data replication
Facilitates distributed transactions
Support for logical replication and distributed transactions

Built-in audit trails or journaling for financial
ledgers
Payments history
Regulated compliance tracking
Legal logs
Applications in Data
Security and Compliance
Use cases in financial ledgers and
compliance tracking

Blockchain and immutable tables
Cryptographic hash chains Signed
table digests
End user signing of inserted rows using private keys
Applications in Data Security and Compliance
Support for legal logs and tamper-proof data

Insert-only restrictions
Efficient partition-based bulk dropping for expired rows Performance
optimizations for inserts/commits
Applications in Data Security and Compliance
Applications in preventing tampering or deletions

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