Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...

You can save a backup of your MS SQL databases to a single file on your hard drive. These backup files have names ending with the ".bak" file extension, and you use them to restore database backups ...

DBeaver is a free, open-source, cross-platform SQL client and database administration tool. It is designed to support a wide variety of SQL and NoSQL databases, including MySQL and PostgreSQL. Its key ...

SQL is about as easy as it gets in the world of programming, and yet its learning curve is still steep enough to prevent many people from interacting with relational databases. Salesforce’s AI ...

Airbnb has open sourced Airpal, the tool it built to help employees get to data they need to use, reports Gigaom. The software is built on the open source Presto SQL engine, which was created by ...

Big data-as-a-service provider Qubole Inc. has open-sourced its Quark cost-based SQL optimizer that simplifies and optimize access to data across multiple hosts. Quark essentially chooses between ...

I'm willing to PayPal someone a few bucks if they can answer this. Or you can have my undying admiration and respect. Either one, fine with me.<BR><BR>I have a database table that stores the cost of a ...