Although tables in SQL databases typically contain massive amounts of data, they’re not always in a format that can be used by data analysts. The data records in these tables need to be filtered ...

In the world of database architecture, the need to dynamically create complex objects conflicts with the demand for subsecond response time. Oracle's answer to this dilemma is the materialized view.

SQL Server's OpenJson function will let you dismantle JSON structures into relational tables, including tables with foreign/primary key relationships. As I noted in an earlier column, JSON is great ...

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. We may earn from vendors via affiliate links or sponsorships. This ...