Unit #4

    In unit #4, students will learn SQL.

SQL (often referred to as Structured Query Language) is a programming language designed for managing data in relational database management systems (RDBMS).

Originally based upon relational algebra and tuple relational calculus, its scope includes data insert, query, update and delete, schema creation and modification, and data access control.

Key concept students will learn is:
  • How to quere a database
  • How to insert rows
  • How to quere multiple tables
  • Create tables
  • Delete rows
  • ...

Subpages (2): Unit #4-01 Unit #4-02