Учебник и Практическое руководство для Oracle SQL
This application is a Tutorial and How To Guide for the popular Oracle Data Base Management System, Structured Query Language (SQL).
Intended for anyone who learns how to use Oracle SQL and for developers who need to see the Oracle SQL syntax differences from other SQL products.
It presents the most often used Oracle SQL features in a sequence of mini-lessons forming an online tutorial, with many well chosen examples.
It also shows comparisons with similar MySQL and Microsoft SQL Server features.
It is not an Oracle SQL Reference and it does not contain all features and details.
The tutorial is in English.