Reference cards (cheat sheets) collection.

DB-Engines Ranking.

DB-Engines is an initiative to collect and present information on database management systems (DBMS). In addition to established relational DBMS, systems and concepts of the growing NoSQL area are emphasized. The DB-Engines Ranking is a list of DBMS ranked by their current popularity. The list is updated monthly. The most important properties of numerous systems are shown in the overview of database management systems. You can examine the properties for each system, and you can compare them side by side. In the database encyclopedia terms and concepts on this topic are explained. DB-Engines has been created and is maintained by solid IT.

DB-Engines Ranking. - DB-Engines Ranking.

Oracle RDBMS 12C. Interactive Quick Reference. (you can find at):

Oracle RDBMS 12C: – Interactive Quick Reference.

Introduction to Oracle RDBMS administration. Part 2.

Introduction to Oracle RDBMS administration.