Mysql dba ppts | MySQL DBA Introduction | Basics

Welcome to MySQL Database

Introduction

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What is MySQL

MySQL is a freely available open source Relational Database Management System (RDBMS) that uses Structured Query Language (SQL). SQL is the most popular language for adding, accessing and managing content in a database. It is most noted for its quick processing, proven reliability, ease and flexibility of use.

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Why MySQL ?• MySQL is a very popular, open source database.

• Officially pronounced “my Ess Que Ell” (not my sequel).

• Handles very large databases; very fast performance.

• Why are we using MySQL?– Free (much cheaper than Oracle!)– Anyone can install MySQL locally.– Easy to use Shell for creating tables, querying tables, etc.– Easy to use with Java JDBC



History of MySQL

MySQL was created by a Swedish company, MySQL AB, founded by David Axmark, Allan Larsson and Michael "Monty" Widenius. The first version of MySQL appeared on 23 May 1995. It was initially created for personal usage from mSQL based on the low-level language ISAM.

January 2008, Sun Microsystems bought MySQL

In April 2009, Oracle Corporation entered into an agreement to purchase Sun Microsystems, then owners of MySQL copyright and trademark



Releases and Milestones•First internal release on 23 May 1995•Version 3.19: End of 1996, from www.tcx.se•Version 3.20: January 1997•Windows version was released on 8 January 1998 for Windows 95 and NT•Version 3.21: production release 1998, from www.mysql.com•Version 3.22: alpha, beta from 1998•Version 3.23: beta from June 2000, production release 22 January 2001•Version 4.0: beta from August 2002, production release March 2003•Version 5.0: beta from March 2005, production release October 2005•Version 5.1: production release 27 November 2008•MySQL Server 5.5 was generally available (as of December 2010)•MySQL 5.6 general availability was announced in February 2013



Database Market share



MySQL Jobs Share in Market





Features and advantages of MySQL

1. Supports all major platforms

2. Easy to Administer / Manage

3. Open Source

4. ACID complaint

5. Pluggable Engines

6. Host based security

7. Multiple HA Techniques



MySQL Architecture



Engines Supported

1. MyISAM

2. InnoDB

3. Memory

4. CSV

5. Blackhole

6. Federated

7. NDB



HA Techniques

1.Replication

2.NDB Cluster

3.Galera Cluster

4.DRBD



MySQL Graphical toolsMySQL administrator

Multi plataform, administration tool allows to:

• Manage users• Manage

databases and tables

• Perform maintenance tasks

• See server status



MySQL Graphical toolsMySQL query browser

MySQL query browser is a simple query tool used to interact with a MySQL database.



Backup techniques

1. Native (mysqldump)

2. Third party MySQL Enterprise Backup

3. Xtrabackup from percona


Questions?



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Mysql dba ppts | MySQL DBA Introduction | Basics