Introduction to My SQL

MySQL for IBM i

Function Junction
Mike Pavlak
Solutions Consultant
mike.p@zend.com
(815) 722 3454

© All rights reserved. Zend Technologies, Inc.

PHP Sessions
Sun 11:30 AM • What’s New with Zend Server

Sun 1:30 PM • Business Value of PHP

Sun 4:00 PM • Practical PHP by Example (Leth-Kjaer)

Mon 10:00 AM • PHP on IBM i: Getting Started

Mon 10:00 AM • DB Standards in Zend PHP usage (Sielhorst)

Tue 10:00 AM • MySQL on IBM i, Open Source & DB2 Store

Tue 11:30 AM • PHP Arrays for the RPG Programmer

| 2 Copyright © 2009 Zend Technologies, Inc, All rights
reserved
© All rights reserved. Zend Technologies, Inc. 02/03/

Agenda

• What is MySQL
• Install
• Access
• GUI’s
• DB2 Storage Engine
• Q&A

| 3 © All rights reserved. Zend Technologies, Inc. 02/04/

What is MySQL?

• Most Popular and widely used Open Source Database

• Relational Database management System (RDBMS)

• Like DB2, but not, really

• Command line interface

• Many utilities available to manage

• phpMyAdmin, Adminer,


Who uses MySQL & why?

• Millions of downloads

• Big companies

• Growing in IBM i

• Nearly Everyone using open source PHP applications

• Free

• Open Source

• Delivered by Zend

• Back end for thousands of applications like drupal, Sugar
CRM, Media Wiki, etc.

How does it work?

• Essentially flat files in the IFS

• MySQL has two major parts:

• UI Layer

• Storage Engine

• MyISAM

• INNODB

• IBMDB2

• Sound familiar?


Architecture


History of MySQL


In the beginning

Founded by
David Axmark
Allan Larsson
Michael “Monty” Widenius
Named after Monty’s daughter “My” (Pronounced mee)


Ownership

Remember MySQL is Open Source: Anyone can compile the
source code and use the binaries as long as they follow the
rules of the license.
Jan 2008:Sun purchased MySQL for $1B
Oracle purchased sun about year later for $7.4B
FUD ensues…
Today, MySQL continues to live on


What about IBM i?

Two years ago Oracle dropped support for MySQL on Power
and discontinued compiling the binaries.
Old binaries still available on Oracle archive site
IBM began looking for a new suitor
Zend stepped up and took over the binary distribution for
MySQL for IBM i and the new product is called Zend DBi
Same wonderful MySQL, just compiled for POWER IBM i
Available for no charge at www.zend.com/products/dbi


Installation, Zend DBi


First, remove old version???
• If you have no real data…
• Stop ZMYSQL Subsystem
• Delete ZMYSQL library
• RMVLNK ‘/usr/local/mysql*’
• Knowledge base article 305 (Dated but still useful!)
• http://kb.zend.com/index.php?View=entry&EntryID=305


Zend DBi Installation process
• Documented at Zend.com
• Option to install or update within point release
• Can update 5.1.n to 5.1.current (Zend Server)
• Cannot update 5.0.n (Zend Core)
• Download .zip from Zend.com, contains SAVF & README
• Follow readme.txt in SAVF, pretty straight forward
• Required LP’s are typically installed before Zend Server
• A word about QSECOFR…


Update anyone?
• Here we have 5.1.50 (install with ZS 5.1)
• Let’s go up to 5.1.59


Start the installation process
• Have ROOT password before updating
• Just stop ZMYSQL
• GO ZMYSQL/ZCMYSQL
• Option 5 then Option 2 then exit MySQL menu


Get SAVF to IBM i
• FTP and check it…(DSPSAVF)


Start the update process
• Steps to fire up process
• RSTLIB SAVLIB(ZMYSQL)
• CHGCURLIB ZMYSQL
• CALL ZMYSQLUPG1…update begins…


Set update options
• Have ROOT password before you get here
• Will run MySQL script to update!
• Without ROOT process will fail, QSECOFR doesn’t work here!


Woohoo!


New subsystem and daemon
• ZENDDBI
• ZENDDBID


MySQL Command Line


MySQL Monitor
• MySQL has no native GUI interface (sound familiar?)
• Command line accessible from QSHELL, QP2TERM, etc.
• This is the brute force method for accessing.
• Will show you access, but not a big fan.
• Fully documented at mysql website
• Many books on the subject


Starting MySQL Monitor
• I typically use CALL QP2TERM, can use QSH, etc.
• The mysql> is the prompter for the monitor
• Mysql –u root (First time, please set password!)
• Mysql –u root –p mikey


List all the databases
• Show databases;
• List all databases in MySQL
• Database is like a library
• Usually sorted by application


Set database
• Use <DBNAME>
• Selects the database you will use for processing
• Database is like a library, where you store tables, etc.
• Typically on database per application


List tables


Display the user table
• Use SQL,
• select host, user, password from user;

• Use quit to end the session in the MySQL Monitor and F3 to close shell.


Are there any GUI’s?


Many GUI solutions

Adminer
Single PHP script
Lightweight, powerful and easy to use

phpMyAdmin
Widely used by community
Installed with Zend Server


Adminer


phpMyAdmin
• Open Source PHP Project
• Provides nearly every access to MySQL you might need
• Installed automatically with Zend Server.
• Launch from Zend Server MonitorDashboard tab


phpMyAdmin – Set ROOT password
• Login with “root” profile
• Create your profile
• Test your profile
• Change root password
IMMEDIATELY (if not sooner)
• This is a similar process as you
might use for new LPARs


Tour the dashboard..then on to privileges


Privileges
• Click Add new user
• Fill out details, click GO


Look at databases & tables
• Left hand navigation
• Right hand workspace
• FULL CRUD capabilities
• Think DFU for MySQL!


IBM DB2 Storage
Engine


Why use MySQL to store data in DB2?

Many PHP applications in the open source arena
These application “talk” to MySQL by design
Modifying to access DB2 can be cumbersome & then updates?
Zend DBi includes IBM DB2 Storage Engine
Two instructions and you are there!


How to install

From the MySQL Monitor in QSH or QP2TERM
Now go to phpMyAdmin and select the engine


IBM DB2 Storage Engine:phpMyAdmin

Create Table, set number of fields
Select storage engine


phpMyAdmin gives you the SQL!


Add records to table


What happened on the i?

Library test was created
Table was created
Records populated


Records, please?

STRSQL
Select * from test/exampleDB2


IBM Redbook and Redpiece
Discovering MySQL Using the DB2 Storage Engine


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