Community driven content discussing all aspects of software development from DevOps to design patterns. The SQL specification defines four transaction isolation levels, although a fifth transaction ...

Building a distributed database is complicated and needs to consider many factors. Previously, I discussed two important techniques, sharding and partitioning, for gaining greater throughput and ...

A database start up, NuoDB, reached out to me to talk about a project they were working on to address the need for extremely scalable, web scale, transaction oriented database engines. The ...

The MEMORY storage engine stores all data in memory (RAM), and is used for fast lookup of data. InnoDB supports a buffer pool ...

Though separated by many differences, large and small merchants share a common problem: insufficient data to help decide whether to approve an online transaction. Here’s one way to fix that. The rapid ...