Exercises, examples and other material relating to training module H204. This topic is presented on public courses Learning to program in PHP
, PHP Programming
A database SELECT is comprised two types of element - the elements which
specifies the tables to be joined and how they're to be joined, and the
elements that specify which rows and columns are wanted on the results,
and how they're to be grouped and sorted. The sample application covered
in this module allows authorised users to select rows and columns from a
set of tables, but places the joins and other mandatory elements in
configuration files beyond their reach.
|Articles and tips on this subject||updated|
|572||Giving the researcher power over database analysis|
Sometimes, you'll be able to define the queries you'll be doing on a database to a number of specific types, but in other applications you'll be able to narrowly define how you do your joins, but you'll have a wide variety of extraction requirements. This sort of requirement is typical of medical researchers, ...
Examples from our training material
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Topics covered in this module
Good practise in action.
4 layer model for application design.
Use of separate business logic, web help and templates.
Contextual Help system.
Building us a MySQL query in a PHP script.
Writing your own configuration file.
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