Many people are confused by various JOIN operations supported by SQL. Learn to master the SQL command line with this crash course in JOIN syntax.

EMC has essentially done a heart transplant from Greenplum of everything needed to run scalable SQL queries and planted it on top of the Hadoop File System. This means that you can now store ...

The rapid spread of the SQL Slammer worm showed that highly vulnerable desktop servers are everywhere. Gartner explains how enterprises can shut them down for good.

Third, SQL is still the best-thought-out and most capable query language. Fourth, GraphQL and object-relational mapping (ORM) technologies made developer challenges with relational databases ...