On each book’s landing page, click the “Download PDF” button (top-right corner). Example direct PDF links (working as of 2025):
Oracle SQL 19c also refines the optimizer and execution engine. The introduction of automatic indexing reduces the manual burden of index management; the database can autonomously create, monitor, and drop indexes based on actual workload patterns. Additionally, in-memory columnar processing has been extended with support for hybrid partitioned tables, accelerating analytical queries across mixed storage types. oracle sql 19c pdf new