Starting in college and continuing into my first roles post-graduation, I was tasked with performing various financial and economic analyses to arrive at conclusions about the health of companies, ...

In this course you will learn all about the Structured Query Language ("SQL".) We will review the origins of the language and its conceptual foundations. But primarily, we will focus on learning all ...

Prasham Parikh is a freelancer at Android Police, and you can catch him writing how-to guides, features, and reviews on smartphones or pretty much anything that has a battery in it. His love for ...

Overview: SQL developers manage structured databases that power payments, healthcare, retail, and cloud systems.Cloud ...

A common SQL habit is to use SELECT * on a query, because it’s tedious to list all the columns you need. Plus, sometimes those columns may change over time, so why not just do things the easy way? But ...

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...

Everyone wants faster database queries, and both SQL developers and DBAs can turn to many time-tested methods to achieve that goal. Unfortunately, no single method is foolproof or ironclad. But even ...

Normalized data giving you problems? Learn how to use the SQL subselect statement and handle your database like a pro! Do you ever find yourself juggling queries to get the information you need?