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 ...

Follow this step-by-step guide to install PostgreSQL, load data, connect to a database, and execute SQL queries including table joins ...

This online data science specialization is ideal for learners interested in database design, database software fundamentals, and how to use Structured Query Language (SQL) to work with databases. You ...

SQL has dominated data querying for decades. Newer query languages offer more elegance, simplicity, and flexibility for modern use cases.