Chapter 12: Introduction to SQL
Structured Query Language (SQL) is a widely used programming language for managing data stored in relational database management systems (RDBMS). SQL is an essential tool for data management, allowing users to retrieve, update, and manipulate data efficiently. In this chapter, we will explore the history of SQL, its evolution over the decades, and its importance in today's world of data management.
SQL was first developed in the early 1970s by IBM researchers Raymond Boyce and Donald Chamberlin. Originally called SEQUEL (Structured English Query Language), it was designed to be a user-friendly language for managing data stored in IBM's System R, an early relational database management system. SEQUEL was later ...
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