Google App Engine was launched in 2008 for developers of consumer Web applications who wanted to host their software on the Google cloud infrastructure. In mid-2010, Google unveiled an enterprise ...

These provide some of the things that SQL-based relational databases do but are tuned heavily for handling the demands of big data. VoltDB falls into this category: it's a high-speed SQL database.

For reference, Indeed.com reports that as of 2022, the volume of job listings for conventional SQL databases—MySQL, Microsoft SQL Server, Oracle Database, and so on—remains higher than the ...