Oracle Database 23ai: New Features for Developers

Overview

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.

Prerequisites

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.

Objectives

• 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

Outline

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

JSON

• 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
• CREATE_VIEW_ON_PATH
• 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
• Tables with TIMESTAMP WITH TIME ZONE Data
• New Parameter in init.ora File
• SYSDATE and SYSTIMESTAMP
• 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