Oracle SQL and PL/SQL tutorial

Here I plan to post things related to Oracle’s SQL and PL/SQL development. Previously I had a separate website in Russian for this, but now it’s abandoned, but for historical reasons I’ve generated pdf book based on its content. Download it.

What is the dual table in your Oracle database

And when it may be used.

Development practices for PL/SQL code

Must-have practices when you work with the Oracle database.