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Part: 1 Getting Started > Introducing SQL

Chapter 5. Introducing SQL

IN THIS CHAPTER

Understanding Data Sources

Preparing to Write SQL Queries

Creating Queries

Sorting Query Results

Filtering Data

SQL, pronounced sequel or S-Q-L, is an acronym for Structured Query Language. SQL is a language you use to access and manipulate data in a relational database. It is designed to be both easy to learn and extremely powerful, and its mass acceptance by so many database vendors proves that it has succeeded in both.


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