Ever tried to learn SQL, the query language that lets you poke at the innards of databases? Most tutorials start by having you create your own database, fill it with nonsense, and then run queries ...

TLDR: This six-course bootcamp-style deep analysis of SQL will help you master database creation and management as well as get hired for only $21. If you want a job in tech, then learn the skills ...

Many people are confused by various JOIN operations supported by SQL. Learn to master the SQL command line with this crash course in JOIN syntax.

One of the most fundamental choices to make when developing an application is whether to use a SQL or NoSQL database to store the data. Conventional databases, meaning relational databases that ...