The standout feature for both DBAs and developers is the move toward self-tuning workloads. Database New Features Guide - Oracle Help Center
Support for In-Memory Expressions materializes commonly used, complex expressions to prevent re-computation, drastically improving query speeds. 2. Architectural Resilience and Scalability Oracle 19c maintains a multitenant architecture
For users who want to learn more about Oracle SQL 19c, a comprehensive PDF resource is available. The Oracle SQL 19c PDF guide provides detailed information on new features, enhancements, and best practices for using the database. The guide includes:
While official Oracle PDFs are the most authoritative, the search for "oracle sql 19c pdf new" often includes a desire for more digestible, tutorial-style content. Here are three types of complementary PDFs that are genuinely new (as of 2024-2025):
You can now create tables where some partitions are stored internally in the database while others reside in external files (like CSVs on cloud storage). This is ideal for archiving "cold" data while keeping "hot" data readily accessible in the same table structure.