The document discusses the challenges and advantages of continuous database delivery, particularly in a shared development environment. It highlights issues such as debugging difficulties, risks of mistakes, and the drawbacks of manual releases, while also outlining a proposed workflow for implementing continuous integration and database management. Key points include the necessity of dedicated development databases and the importance of structured testing and version control.

1. Domesticating Databases: Continuous
Database Delivery
• Wes Higbee
• www.weshigbee.com
• @g0t4

2. Shared Dev DB
Shared
Dev
Prod
Images in this slide deck are from presentermedia.com, images may not be redistributed

3. Refactoring
discouraged
Debug nightmare
What changed?
Who
Why
Network drops
Remote work
Stepping on toes
Drawbacks of Shared Dev DB

4. Easily share
changes
Beefy server
Environment like
prod
No DB setup
Advantages of Shared Dev DB

5. What Changed?
Prod
Shared
Dev

6. • Prod• Dev
Path Matters
People
Name
Address
MailingAddress
People
Name
Address People
Name
MailingAddress

7. Delayed releaseAnxietyMistakes
Data changes
No who, why, how,
when
Path matters
How?
Problems with Waiting

8. Continuous Database Delivery – Part 1

9. sql
Add color.sql
car color
car color
Part 1 – Track and Apply

10. • Payroll DB - greenfield
• Setup dedicated dev DB
• Create employees table
What You Will Build

11. What You Will Build

12. What You Will Build

13. What You Will Build

14. Continuous Database Delivery – Part 1

15. DevWorkflow
BEFORE
DEV
DEV
CHANGED
DEV
DEV
AFTER
BEFORE BEFORE / AFTER

16. Reverse
Engineer
Changes
Workflow
BEFORE
COMPARE
AFTER
DEV
AFTER?

17. Safely
Pulling
Changes
BEFORE
DEV
DEV
BEFORE

18. Two Cooks in the Kitchen
1 2 3 4
5?
5?
5 6
• Check when you pull
• Bump your version
• Fix your dev DB
• Backup 
• Test
• Push
6?

19. Manual Releases
Prod
Shared
Dev

20. Lack of feedback
and testing
Test in production
Environments
misaligned
Significant
downtime
Silos of
responsibility
Mistakes
Problems with Manual Releases

21. Continuous Database Delivery – Part 2
Prod
TEST

22. DEV DB Continuous
Integration
CI – Drop and Create

23. Pre Test Release
DEV DB
Continuous
Integration
PROD
Backup

24. TeamCity Setup
Build
Drop/Create DB
flyway migrate
ci drop and create.bat