The Structured Query Language (SQL) Study Brief provides the end-user with a concise overview and quick reference on the basics of this special-purpose programming language. The Study Brief is intended to serve as a learning resource for new and developing users or as a quick refresher of essentials for the occasional experienced user. Offering a timely orientation to the subject matter at hand, including a brief history, current updates, and links to relevant web pages when applicable, this title collects and organizes a wealth of information in a convenient format. In addition to SQL definitions, code categories, data types, operators, syntax, and functions; many practical examples are included to assist an end-user in constructing valid queries.