introduction

"You can have data without information, but you cannot have information without data."
(Daniel Keys Moran)

SQL is a Structured Query Language, which is based on a relational model, as it was described in Edgar F. Codds's 1970 paper "A Relational Model of Data for Large Shared Data Banks. SQL is often pronounced like "sequel".

The Content of our SLQ Course

This is a very new course. We started work in April 2012. The content is continually changing. Here are the links to the chapters, which are available so far:

• First Steps in SQL
• Create and Drop a User
• Create and Drop a Database
• Creating a Table
• Dump and Restore a Database
• Queries with SELECT
• SELECT and ORDER BY