RDBMS side by side - GradedJestRisk/db-training GitHub Wiki

SQL

Object Oracle PostgreSQL
value out-of table DUAL as virtual table SELECT without FROM

Transaction

Object Oracle PostgreSQL
DDL validate transaction Yes No

More here

Procedural

Object Oracle PostgreSQL
Package X
Named parameter X X
access I/O (eg. fs) X X (use untrusted)
add languages (eg. C) X
⚠️ **GitHub.com Fallback** ⚠️