In this tutorial, we will step through installing PostgreSQL, connecting to the database, loading some data, and running a variety of SQL queries.

In this Microsoft SQL Server and JDBC tutorial, you'll learn how to connect to a Microsoft SQL Server in Java using JDBC. The steps are relatively straightforward: Each database is different, so ...

Learn how to use the Azure Portal to create a cloud-based SQL database with just a few mouse clicks.

What are the five SQL transaction isolation levels? The SQL specification defines four transaction isolation levels, although a fifth transaction isolation levels appears in APIs including Java’s JDBC ...

However, rather than replacing SQL, these databases added their own SQL-like languages that replicated some of the methods and approaches that SQL has ingrained into how developers work.