: Purchasing a license usually entitles you to all patch releases for that major version (e.g., any 15.x update for a version 15 license). What's New in Version 15?
The Explain Plan output is now visualized as a . You can see the cost of each operation (Table Scan, Nested Loop, Hash Join) and identify bottlenecks instantly. Clicking a node highlights the relevant SQL segment. plsql developer 15 key