MySQL An Introduction

Databases 101

What is SQL SQL ( Structured Query Language is a special- purpose programming language designed for managing data held in a relational database management system (RDBMS).special- purpose programming languagerelational database management system

What is MySQL ? MySQL is an open source relational database management system. It includes the SQL server and client programs for accessing the server. Widely used by web application developers, together with PHP and APACHE A database is a structured collection of data. It may be anything from a simple shopping list to a picture gallery or the vast amounts of information in a corporate network. To add, access, and process data stored in a computer database, you need a database management system such as MySQL Server. Since computers are very good at handling large amounts of data, database management systems play a central role in computing, as standalone utilities, or as parts of other applications.

Fact Sheet Most popular open source database (2 nd afer SQLite) Over hundreds million copies downloaded or distributed More than 6 million active installations Hundred Thousand downloads a day Certified for all SAP applications Elite client list—Yahoo!, NASA, Google Proven track record

Why learn MySQL? Leading open source RDBMS Ease of use – No frills Fast Robust Security Multiple OS support Free Technical support Support large database– up to 50 million rows, file size limit up to 8 Million TB

The MySQL Value Proposition

IBM, ORACLE and Microsoft “The top dogs” The enterprise/SMB market Market Strength, Brand Equity, Track Record and Feature Variety MySQL “The underdog” – Disruptive technology, Commoditized Market Performance, Reliability, Security, Performance

MySQL RDBMS SOURCE Commercial LicenseGPL open source License Embedded Database Client-Server model Standalone server FREE Service Support, training and Consulting

Which edition to use? MySQL Enterprise –most comprehensive offering of MySQL database software, services and support MySQL Cluster –a fault tolerant database clustering architecture for deploying highly available mission-critical database applications MySQL Embedded Database –most popular choice for OEMs/ISVs who want to cost-effectively embed or bundle a reliable and high-performance relational database MySQL community edition

MySQL Community vs. Enterprise

MySQL Enterprise MySQL Enterprise Monitor –a "Virtual DBA Assistant" to enforce MySQL recommended best practices MySQL Enterprise Server MySQL Production Support –get your toughest technical questions answered quickly –advise you on how to properly design and tune your MySQL servers, schema, queries, and replication set-up

Platinum Gold Silver Basic $4995/server/Year $2995/server/Year $1995/server/Year $595/server/Year

Where can I get MySQL ? Make sure you pick the correct version for your OS Download MySQL 5.0 Community Server GA Download MySQL Administrator Download MySQL Migration Toolkit Download MySQL Query Browser

Installing the server Follow the screenshots

Installing the server

If you have firewall, remember to unblock TCP port 3306 If you prefer GUI operations, install Administrator, Migration Toolkit and Query Brower Configuration parameters stored in “C:\Program Files\MySQL\MySQL Server 5.0\my.ini” Change configuration by “server instance configuration wizard”

MySQL administrator

Query browser

A set of command line utilities mysqld, mysql, mysqladmin, mysqldump (located in C:\Program Files\MySQL\MySQL Server 5.0\bin) What is it ? Why do I want to use it ? For what all can I use it ? See handout later

About Data types … Detailed help in describing your fields can be found online at the MySQL user manual. These two links are very helpful /string-types.html /numeric-types.html /numeric-types.html In General: Refer to chapter 11 of the user manual at

Quick Example of data types

privileges

Storage engine and table types ISAM –Indexed Sequential Access Method –Fastest table type in MySQL –Originally used in mSQL by TcX (the predecessor of MySQL AB) –Do not support transactions and foreign key –No longer supported after version 5.1 InnoDB –Purchased by MySQL later –Large data volume, heavy-load production system –Support transactions and foreign key

Word of advice.. Describe your fields correctly Describe your data tightly Secure your server well Understand the mechanics Use the manual Use the mailing list

Conclusion MySQL is a database system used on the web MySQL is a database system that runs on a server MySQL is ideal for both small and large applications MySQL is very fast, reliable, and easy to use MySQL supports standard SQL MySQL compiles on a number of platforms MySQL is free to download and use MySQL is developed, distributed, and supported by Oracle Corporation MySQL is named after co-founder Monty Widenius's daughter: My

Questions ?