Integer to Character Conversion in SQL. SQL is a widely-used programming language for computer databases in business. Frequently, software developers need to combine different kinds of data, such ...

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

Learn how to master the SELECT statement to form truly useful data queries. This article explains functions, clauses, and keywords that will make your life a lot easier.