The quality of that query plan is wholly dependent on the quality of the cardinality estimates (i.e., an estimate of the number of rows of data involved in an operation), the order of the operations, ...

There’s a very handy new tool from Microsoft called the Database Experimentation Assistant (DEA). The DEA makes it very easy to conduct A/B testing for SQL Server upgrades, providing quantitative ...

Citing advantages over the SQLite and Core Data databases commonly used in iOS and Android apps, Realm today launched version 1.0 of its namesake "mobile-first database." Realm 1.0 uses native objects ...