'''Microsoft SQL Server''' (Structured Query Language) (often pronounced "sequel") is a proprietary [[relational database management system]] developed by [[Microsoft]] using [[SQL|Structured Query Language]] (SQL, often pronounced "sequel"). As a [[database server]], it is a [[software product]] with the primary function of storing and retrieving data as requested by other [[software application]]s—which may run either on the same computer or on another computer across a network (including the Internet). Microsoft markets at least a dozen different editions of Microsoft SQL Server, aimed at different audiences and for workloads ranging from small single-machine applications to large Internet-facing applications with many [[concurrent user]]s.