TY - BOOK AU - Harrington, Jan L. TI - SQL Clearly Explained SN - 978-0-12-375697-8 U1 - C 005.133 H24s CY - Burlington, MA KW - SQL (Computer program language) N2 - 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 ER -