A clear delegation of work exists between the HTML and PL/SQL in your company's Web pages: PL/SQL code fetches and manipulates data from SQL databases, and HTML code formats the results of PL/SQL ...

Follow this step-by-step guide to install PostgreSQL, load data, connect to a database, and execute SQL queries including table joins PostgreSQL is an open-source, object-relational (also called ...

SQL is a convenient way to manage and query your data, but badly written queries can tie up your database. Here are seven common SQL traps and how to avoid them. Database developers have it tough.