SQL Clearly Explained
- 3rd ed.
- Burlington, MA Elsevier 2010
- xvii, 462 p. Includes index
If you have had any contact with a relational database, then it is very likely that you have seen the letters SQL. SQL (Structured Query Language) is a computer language designed to manipulate relational databases. You can use it to define a database s structure, to modify data, and to retrieve data.