This course focuses on the latest advancements in Oracle Database 23ai. This course explores new SQL capabilities, offering developers enhanced flexibility in writing SELECT, DML, DDL, and Materialized View statements. It also delves into improvements in Oracle's analytic capabilities, upgrades to JSON functionality, and introduces new Globalisation features.

Read more +


Participants should have existing database development experience with a modern version of Oracle Database.

Target Audience

This course is designed for database developers who want to leverage the new features of Oracle Database 23ai to enhance their development skills and productivity.

Read more +

Delegates will learn how to

  • Understand and implement SQL enhancements for DML and DDL
  • Utilise new JSON features and improvements
  • Explore advancements in Oracle's analytic platform
  • Apply new vectorised query processing techniques
  • Implement staging tables effectively
  • Learn about materialised view enhancements
  • Leverage new time and date handling changes
  • Utilise the latest Globalisation support features
Read more +


SQL Enhancements for DML & DDL

  • Objectives
  • DEFAULT ON NULL for UPDATE Statements
  • Enhancements to SQL Statements
  • Annotations
  • IF (NOT) EXISTS Enhancement
  • GROUP BY Column Alias or Position
  • SELECT Without FROM Clause
  • RETURNING Clause Enhancement
  • SQL Support for BOOLEAN Datatype
  • Table Value Constructor
  • Aggregation Over INTERVAL Data Types
  • Direct Joins for UPDATE and DELETE
  • Summary


  • Objectives
  • JSON Schema Support
  • SODA Enhancements
  • Enhancement to JSON_TRANSFORM
  • Comparing and Sorting JSON Datatypes
  • Predicates for JSON_VALUE and JSON_QUERY
  • JSON-Relational Duality View
  • Lock-Free Concurrency Control
  • Summary

Analytic Platform

  • Objectives
  • Data Quality Operators
  • JSON Materialised Views Enhancements
  • Summary

Other New Features

  • Objectives
  • Vectorised Query Processing
  • Staging Tables
  • LPCT for Materialised View Refresh and Staleness Tracking
  • Summary

SQL Enhancements for Materialised Views

  • Objectives
  • Overview of a Materialised View (MV)
  • Semi-Join Materialised View
  • ANSI Join Materialised View
  • Materialised View (MV) Refresh Enhancements Techniques
  • DBMS_MVIEW Package APIs
  • Summary

Other SQL Enhancements

  • Objectives
  • Transportable Binary XML (TBX)
  • Indexes with Automatic Maintenance
  • Enhanced Automatic Indexing
  • Summary

Time and Date Handling Changes

  • Objectives
  • Enhanced Time Zone Data Upgrade
  • Timezone Definitions Change: Considerations
  • Optimising Time Zone File Upgrade
  • New Parameter in init.ora File
  • Date and Time in Oracle Databases
  • Setting Database-Specific Time Example
  • Summary

Globalisation Support

  • Objectives
  • Globalisation Improvements
  • Unicode IVS Support
  • Unicode 15.0 Support
  • Summary
Read more +

Why choose QA

Special Notices

Please note: In order to provision you with your courseware and lab access for this course QA must share several items of basic personal information with our partner (usually your full name and email address). For more information on this please visit our QA Partner data sharing page. If you have any questions or concerns please contact your QA account manager.
Important note: Your official Oracle digital course material now includes an additional 5 hours of content for you to consume after the course to help embed the learning. Your ELS will be accessible for 90 days from purchase.
Need to know

Frequently asked questions

How can I create an account on myQA.com?

There are a number of ways to create an account. If you are a self-funder, simply select the "Create account" option on the login page.

If you have been booked onto a course by your company, you will receive a confirmation email. From this email, select "Sign into myQA" and you will be taken to the "Create account" page. Complete all of the details and select "Create account".

If you have the booking number you can also go here and select the "I have a booking number" option. Enter the booking reference and your surname. If the details match, you will be taken to the "Create account" page from where you can enter your details and confirm your account.

Find more answers to frequently asked questions in our FAQs: Bookings & Cancellations page.

How do QA’s virtual classroom courses work?

Our virtual classroom courses allow you to access award-winning classroom training, without leaving your home or office. Our learning professionals are specially trained on how to interact with remote attendees and our remote labs ensure all participants can take part in hands-on exercises wherever they are.

We use the WebEx video conferencing platform by Cisco. Before you book, check that you meet the WebEx system requirements and run a test meeting (more details in the link below) to ensure the software is compatible with your firewall settings. If it doesn’t work, try adjusting your settings or contact your IT department about permitting the website.

How do QA’s online courses work?

QA online courses, also commonly known as distance learning courses or elearning courses, take the form of interactive software designed for individual learning, but you will also have access to full support from our subject-matter experts for the duration of your course. When you book a QA online learning course you will receive immediate access to it through our e-learning platform and you can start to learn straight away, from any compatible device. Access to the online learning platform is valid for one year from the booking date.

All courses are built around case studies and presented in an engaging format, which includes storytelling elements, video, audio and humour. Every case study is supported by sample documents and a collection of Knowledge Nuggets that provide more in-depth detail on the wider processes.

When will I receive my joining instructions?

Joining instructions for QA courses are sent two weeks prior to the course start date, or immediately if the booking is confirmed within this timeframe. For course bookings made via QA but delivered by a third-party supplier, joining instructions are sent to attendees prior to the training course, but timescales vary depending on each supplier’s terms. Read more FAQs.

When will I receive my certificate?

Certificates of Achievement are issued at the end the course, either as a hard copy or via email. Read more here.

Let's talk

By submitting this form, you agree to QA processing your data in accordance with our Privacy Policy and Terms & Conditions. You can unsubscribe at any time by clicking the link in our emails or contacting us directly.