PostgreSQL is a first-rate, enterprise-worthy open source RDBMS (relational database management system) that compares very favorably to high-priced closed-source commercial databases. Databases are ...

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GUEST OPINION: SQL is still the connective tissue of every modern data stack—from cloud warehouses to mobile apps. Recruiters know it, too: employer demand for SQL skills grew 46% year-over-year, ...

In part 1, we learned important PostgreSQL fundamentals. Today, we’ll learn how to populate a table with data, and about important concepts like schema, normalization, views, and transactions. We only ...