Understand PostgreSQL extensions Beyond standard SQL, PostgreSQL supports several advanced features: views, foreign keys, transactions, window functions, and schema inheritance.

In this tutorial we'll be looking at using SQL views to simplify interacting with more complex relational queries. We'll walk through the steps to create a SQL view manually, and then look at using ...

A view in MySQL is a virtual table based on the result set of a SQL query. It doesn't store data itself but displays data from one or more tables, allowing you to treat the result set as if it were a ...