The Structured Query Language (SQL) is used to create and access the primary data
store for Dynameomics. In addition to statements for creating and administering
databases, at the core of SQL is an implementation of domain relational calculus.
This mathematical model forms the basis for all data access in SQL.
Queries in SQL are based on these fundamental operations: projection, selection
(filtering), and joining of attribute relations, also known as tables. The SELECT
statement provides access to these operations in the form of clauses and composition
of additional SELECT statements. You can view examples queries here;
in addition, there are numerous books and and websites that focus on SQL.