Database Refactoring With Liquibase

DATABASE REFACTORING WITH Tim Berglund March, 2009 Monday, March 16, 2009

YOU HAVE A DATABASE IN YOUR LIFE Monday, March 16, 2009

YOUR DATABASE HAS A FUTURE Monday, March 16, 2009

CAN IT ADAPT? Monday, March 16, 2009

HAS IT BEEN EMBALMED? Monday, March 16, 2009

Monday, March 16, 2009

WON’T DIE Monday, March 16, 2009

NOT REALLY ALIVE Monday, March 16, 2009

CURSES THE DBA WHO CHANGES IT Monday, March 16, 2009

WE WILL BREAK THE CURSE Monday, March 16, 2009

EVOLUTIONARY DATABASE DEVELOPMENT Monday, March 16, 2009

EVOLUTIONARY DATABASE DEVELOPMENT REFACTORING Monday, March 16, 2009

EVOLUTIONARY DATABASE DEVELOPMENT REFACTORING EVOLUTIONARY DATA MODELING Monday, March 16, 2009

EVOLUTIONARY DATABASE DEVELOPMENT REFACTORING EVOLUTIONARY DATA MODELING AUTOMATED TESTS Monday, March 16, 2009

EVOLUTIONARY DATABASE DEVELOPMENT REFACTORING EVOLUTIONARY DATA MODELING AUTOMATED TESTS SOURCE CONTROL Monday, March 16, 2009

EVOLUTIONARY DATABASE DEVELOPMENT REFACTORING EVOLUTIONARY DATA MODELING AUTOMATED TESTS SOURCE CONTROL SANDBOXES Monday, March 16, 2009

REFACTORING Monday, March 16, 2009

REFACTORING A disciplined way to make small changes to your source code to improve its design, making it easier to work with. Monday, March 16, 2009

REFACTORING Not adding features! Monday, March 16, 2009

REFACTORING Not ﬁxing bugs! Monday, March 16, 2009

REFACTORING Opportunistically improving design to accommodate change. Monday, March 16, 2009

DATABASE REFACTORING A simple change to a database schema that improves its design while retaining both its behavioral and informational semantics. Monday, March 16, 2009

EVOLUTIONARY DATA MODELING Monday, March 16, 2009

EVOLUTIONARY DATA MODELING NOT TRYING TO “GET IT RIGHT UP FRONT.” Monday, March 16, 2009

EVOLUTIONARY DATA MODELING MAYBE SOME BIG THOUGHTS AT FIRST Monday, March 16, 2009

EVOLUTIONARY DATA MODELING BUILD THE SIMPLEST THING THAT CAN POSSIBLY WORK...EVERY DAY Monday, March 16, 2009

DATABASE TESTS TDD IN THE DB Monday, March 16, 2009

DATABASE TESTS Monday, March 16, 2009

DATABASE TESTS STORED PROCEDURES Monday, March 16, 2009

DATABASE TESTS STORED PROCEDURES SQLUNIT Monday, March 16, 2009

DATABASE TESTS STORED PROCEDURES SQLUNIT DBUNIT Monday, March 16, 2009

DATABASE TESTS STORED PROCEDURES SQLUNIT DBUNIT CUSTOM HYBRIDS Monday, March 16, 2009

SOURCE CONTROL Monday, March 16, 2009

SOURCE CONTROL LIKE MOTHER TAUGHT YOU Monday, March 16, 2009

SOURCE CONTROL Monday, March 16, 2009

SOURCE CONTROL DDL EXTRACT/MIGRATION SCRIPTS REFERENCE DATA STORED PROCS/TRIGGERS Monday, March 16, 2009

SANDBOXES Monday, March 16, 2009

Monday, March 16, 2009

CHANGELOG Monday, March 16, 2009

CHANGELOG COMMANDS Monday, March 16, 2009

CHANGELOG COMMANDS MIGRATION SCENARIOS Monday, March 16, 2009

CHANGELOG Monday, March 16, 2009

CHANGELOG SQL IN XML Monday, March 16, 2009

CHANGELOG SQL IN XML ONE OPERATION AT A TIME Monday, March 16, 2009

CHANGELOG SQL IN XML ONE OPERATION AT A TIME TRACKED IN DATABASE Monday, March 16, 2009

CHANGELOG <changeSet author=quot;tlberglund (generated)quot; id=quot;1236660747556-11quot;> <createTable tableName=quot;scshoppingcartquot;> <column autoIncrement=quot;truequot; name=quot;idquot; type=quot;INTquot;> <constraints nullable=quot;falsequot;/> </column> <column name=quot;useridquot; type=quot;INTquot;> <constraints nullable=quot;falsequot;/> </column> <column name=quot;lastmodifiedquot; type=quot;DATETIMEquot;/> <column name=quot;namequot; type=quot;VARCHAR(50)quot;/> </createTable> </changeSet> <changeSet author=quot;tlberglundquot; id=quot;spot-1-1-2quot;> <renameTable oldTableName=quot;scscrubrecordwarehousequot; newTableName=quot;scrub_record_logquot; /> </changeSet> Monday, March 16, 2009

LIQUIBASE COMMANDS Monday, March 16, 2009

LIQUIBASE COMMANDS generateChangeLog Monday, March 16, 2009

LIQUIBASE COMMANDS changeLogSync Monday, March 16, 2009

LIQUIBASE COMMANDS update Monday, March 16, 2009

LIQUIBASE COMMANDS tag Monday, March 16, 2009

LIQUIBASE COMMANDS rollback Monday, March 16, 2009

LIQUIBASE COMMANDS diff Monday, March 16, 2009

DEMO Monday, March 16, 2009

AND WE’RE BACK Monday, March 16, 2009

CULTIVATING THE BROWNFIELD Monday, March 16, 2009

LEGACY ENTERPRISE APP Monday, March 16, 2009

NEW GRAILS HOTNESS Monday, March 16, 2009

HARD CUTOVER Monday, March 16, 2009

CREATIVE ORM MAPPINGS Monday, March 16, 2009

WITHERING ON THE VINE Monday, March 16, 2009

BROWNFIELD DATA INTEGRATION Monday, March 16, 2009

BROWNFIELD DATA INTEGRATION TIME ZERO MIGRATION Monday, March 16, 2009

BROWNFIELD TESTING Monday, March 16, 2009

BROWNFIELD TESTING INTEGRATION TEST DATA Monday, March 16, 2009

BROWNFIELD TESTING T0 MIGRATION SCRIPTS Monday, March 16, 2009

THE CURSE IS BROKEN Monday, March 16, 2009

THANK YOU! TIM BERGLUND AUGUST TECHNOLOGY GROUP, LLC http://www.augusttechgroup.com tim.berglund@augusttechgroup.com @tlberglund Monday, March 16, 2009

PHOTO CREDITS DODO: HTTP://WWW.INTERNATIONALDOVESOCIETY.COM/MISCSPECIES/DODO.HTM EMBALMING: HTTP://LIBRARY.THINKQUEST.ORG/C0116982/HTML%20PAGE%20FOLDER/ HMUMMIFICATION.HTM ATTACKING MUMMY: HTTP://WWW.FLICKR.COM/PHOTOS/ROONBABOON/292393932/ CREEPY MUMMY HEAD: HTTP://WWW.FLICKR.COM/PHOTOS/DR-INI/446311713/ MARTIN FOWLER: HTTP://WWW.FLICKR.COM/PHOTOS/PRAGDAVE/173640462/ SCOTT AMBLER: HTTP://WWW.AMBYSOFT.COM/SCOTTAMBLER.HTML BRENDEN FRASER: HTTP://SCRAPETV.COM/NEWS/NEWS%20PAGES/ENTERTAINMENT/UNIVERSAL-FIRE- ACCIDENTAL-NEW-MUMMY-MOVIE-DELIBERATE-SCRAPE-TV-THE-WORLD-ON-YOUR-SIDE.HTML SAND: HTTP://WWW.FLICKR.COM/PHOTOS/LEVIATHOR/207625319/ MOTHER AND CHILD: HTTP://WWW.FLICKR.COM/PHOTOS/PATRICK_Q/268149208/ BROWN FIELD: HTTP://WWW.FLICKR.COM/PHOTOS/ARTUR02/471094378/ JALOPY: HTTP://WWW.FLICKR.COM/PHOTOS/DRAGONFLEYE/3246153/ JALOPY ON RT 66: HTTP://WWW.FLICKR.COM/PHOTOS/EVOETSCH/2436023218/ PIMPMOBILE: HTTP://WWW.FLICKR.COM/PHOTOS/AIRGAP/1053594933/ JUNKED JALOPY: HTTP://WWW.FLICKR.COM/PHOTOS/JABOOBIE/61014658/ PAINTING CAR: HTTP://WWW.FLICKR.COM/PHOTOS/GARETHJMSAUNDERS/2066690016/ WITHERED TOMATOES: HTTP://WWW.FLICKR.COM/PHOTOS/SPACESUITCATALYST/349778837/ Monday, March 16, 2009

Database Refactoring With Liquibase

by Tim Berglund on Mar 11, 2009

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