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PHP and MySQL® Web Development, Fourth Edition by Laura Thomson, Luke Welling

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10 Working with Your MySQL Database

IN THIS CHAPTER, WE DISCUSS STRUCTURED QUERY LANGUAGE (SQL) and its use in querying databases. You continue developing the Book-O-Rama database by learning how to insert, delete, and update data, and how to ask the database questions.

Key topics covered in this chapter include

image  What is SQL?

image  Inserting data into the database

image  Retrieving data from the database

  Joining tables

  Using subqueries

  Updating records ...

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