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PHP & Database
TP2543 WEB PROGRAMMING
GOAL
Learn more programming with PHP
Syntax,
Control
variable, arrays
statements
Learn about Database
Basic
concepts - RDBMS
Access
SQL
MS
Accessing database using PHP
SO FAR…
HTML/
XHTML
PHP
Database
CSS
JavaScript
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DATABASE
Database – an integrated collection of data
DBMS – mechanism to store and organize data
according to database format
Relational databases – popular
Uses
MS
SQL to perform queries, manipulate data
Access, MySQL, MS SQL, Oracle, Sybase, DB2
DATABASE MODELS
RDBMS
Relational database model – logical
presentation of data that allows focusing on
relations among data items, rather than
physical structure
Composed of tables
Rows
and Columns
key – unique ID
Primary
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MYSQL
MySQL - "My Structured Query Language“
Created
by Michael Widenius from TcX (Sweden) in
1994
Open-source, relational database management
system
MySQL is used in web applications and acts as the
database component of the WAMP/LAMP
Used in free software projects (e.g. WordPress,
Joomla)
MYSQL AND WAMP/LAMP
Download at www.mysql.com
MYSQL INTERFACES
Many different interfaces to manage and
browse database easily
phpMyAdmin
heidiSQL
MySQL-Front
SQLyog
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PHPMYADMIN
TABLE “JENISKUIH”
id
nama
harga
imej
1
Biskut almond london
25
almond.jpg
2
Biskut cornflake
18
cornflake.jpg
3
Kuih tat nenas
22
kuihtat.jpg
4
Biskut makmur
22
makmur.jpg
SQL
SQL – Structured Query Language
SQL can be used to access and manipulate
databases
SELECT * FROM pelajar
SELECT * FROM pelajar
WHERE NoMatrik=‘A123456’
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SQL QUERIES
Query database for specific information and
have a recordset returned from table
SELECT nama FROM jeniskuih
nama
Biskut…
Biskut…
Biskut…
HTTP REQUESTS
GET
Gets/retrieves information from server (e.g retrieve an
image, fetch search results)
Sends information as part of URL (visible, 2048 chars limit)
Cached, bookmark-able
POST
Posts/sends data (e.g login information, post form data)
Submitted data is hidden (invisible)
Non-cached, non-bookmark-able
THANK YOU
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