The growing business pressure to deliver new functionalities and applications faster drives companies to implementing practices such as Continuous Delivery.

1. Continuous Delivery & the
Database -The Final Frontier
Feb 2015

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Before We Begin
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Agenda
▪ Continuous Delivery is coming
▪ What about the database?
▪ Introducing DBmaestro
▪ Introducing XebiaLabs’ XL Deploy & XL Release
▪ How DBmaestro, XL Deploy & XL Release work
together
▪ Q&A

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Presenters
Yaniv Yehuda
CTO, Co-Founder at DBmaestro
Yaniv spent the last years raising awareness about the challenges
around database development and deployment, and how to
support database Continuous Delivery.

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About DBmaestro
▪ The leading provider of DevOps for Database
▪ Enables control of database development and deployment

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Presenters
Andrew Phillips
VP Products for XebiaLabs
▪ Lots of enterprise software development on high-performance
systems
▪ Been on both sides of the “Dev…Ops” fence
▪ Active open source contributor and committer
▪ Regular meetup, conference etc. presenter

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About XebiaLabs
▪ We build software to support DevOps and Continuous Delivery at scale…
▪ …to accelerate your Business

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DevOps & CD: a must for every company
▪ Every business is an IT business
▪ Customers demand that you deliver new features faster
▪ If you don’t, your competitor probably will

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DevOps & CD: a must for every company
Adopters:
Ship code
40x faster
Complete those
deployments
60x faster
than their peers.
Have 95% fewer failures
and rollbacks
DevOps
Continuous
Delivery
Time to Market

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Continuous Delivery moving ahead!
▪ Recently Conducted DBmaestro Survey
− Over 150 companies
− Over 200 participants

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What does this mean for you?
▪ Need to move towards architectures and processes that
allow changes to be made quickly and regularly
▪ But can’t afford to break things badly!
▪ Adoption of Continuous Delivery pipelines becoming more
and more well-established

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What does this mean for you?
▪ Need to move towards architectures and processes that
allow changes to be made quickly and regularly
▪ But can’t afford to break things badly!
▪ Adoption of Continuous Delivery pipelines becoming more
and more well-established
▪ Are you doing CD for the entire application?

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What does this mean for you?
▪ Many organizations only consider the application code when
talking about CD pipelines
▪ Uses established practices in packaging, verifying and
deploying new code and promoting changes from one
environment to the next

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What does this mean for you?
▪ Many organizations only consider the application code when
talking about CD pipelines
▪ Uses established practices in packaging, verifying and
deploying new code and promoting changes from one
environment to the next
▪ But what about your database?

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What about the database?
▪ Why?

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CD for the database
▪ In many organizations, changes to databases are not
included in the CD picture
▪ Too much risk
▪ Too little awareness of the packaging, deployment,
promotion etc. concepts used for application code
▪ Insufficient tool support for these concepts

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CD for the database
▪ If you don’t include databases changes in the overall
deliverable, your CD pipeline can get stuck pretty quickly!
▪ The DB is essential from a business and compliance point
of view
▪ Should be your strongest link!

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So why not move forward?
▪ Mistrust…

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What is the problem?
▪ Root Causes for issues:
− Challenging manual version control process
− Static deployments code overrides
− Dynamic deployments unaware of version control
− No release automation red-flags – don’t know when to stop the line…

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Version Control Process
(file based)
Development Process
Check-Out
Script
Modify Script
Get updated
Script from DB
Check-In
Script
Compile
Script
in DB
Debug Script
in DB
?
?
?
?
A
A’
Two isolated processes

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Scripts & version control
▪Challenges:
− Code-overrides
− Working on the wrong revisions
− Scripts do not always find their way to the version control solution
− Out of process updates go unnoticed
− Hard to locate outdated update scripts
▪ Playing safe? What we really need:
− The actual code of the object
− The upgrade script
− A roll-back script
▪ Scripts
− Hard to test in their entirely (holistically)
− Hard to test due to colliding dependencies
− Need to run in a specific order…
− Much harder to deal with project scope changes

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X
1.11.1.11.11.21.31.41.51.61.7
Scripts… build once deploy many
Int QA Stage Prod
Database Deploy Script
Environment
Re-Base (due to defects)
Dev
Dev
Dev
Model
1.1 1.2
1.2 1.3
1.3 1.4
1.4 1.5
1.5 1.6
1.6 1.7
1.11.11.41.7
1.1 1.2
1.2 1.3
1.3 1.4
1.4 1.5
1.5 1.6
1.6 1.7
1.1 1.2
1.2 1.3
1.3 1.4
1.4 1.5
1.5 1.6
1.6 1.7
Out of Process
Change
X
X
X
X
X
? 1.1.1
X

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Scripts are static…
▪ Scripts, unless super sophisticated:
− Unaware of changes made in the target environment
− Time passed from their coding to the time they are run
− Potentially overriding production hot-fixes or work done in parallel by another team
▪ Content changes are very hard to manage
− Metadata & lookup content does not practically fit into the VC
− In most cases they are simply not managed

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Version control: one enforced process

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Dealing with challenges…
▪Integrated Database Version Control process
− Leverage proven version control best practices
• Forcing check in & out for changes
• Labels
• etc..
− No code-overrides
− Always working with the correct revision
− All changes are documented
− Always know who did what, when, why and from where
− No out-of-process changes
− Supporting structure, code and content
▪ No time spent on manual coding of the change scripts

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Build & deploy on demand
1.11.21.31.41.51.61.7
*
Int QA Stage Prod
Database Deploy Script
Environment
* Execute the same script being
executed at the Stage environment
Re-Base (due to defects)
Dev
Dev
Dev
Model
1.1 1.2
1.2 1.3
1.3 1.4
1.4 1.5
1.5 1.6
1.6 1.7
1.1 1.4
1.4 1.7
1.1.1 1.7
1.1 1.1 1.11.41.7
File Based
Version Control
Out of Process
Change
1.1.11.7 1.1.11.7

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Using tools
Test cases using compare & sync tools:
An index exists in source (QA) but not in target (Production)
What should we do? Add the index or not?

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Compare & sync tools
Safe to automate?
No. Requires manual inspection…

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Why break production???
A compare & sync tool:
▪ Is unaware of any changes that occurred before the time it ran
▪ Has no knowledge of changes that took place at the target environment
▪ Does not leverage version control for more information
▪ Unable to deal with conflicts & merges between different teams
▪ Requires manual inspection
▪ Requires detailed knowledge regarding each change as part of the process
Mistrust AGAIN…
So…no automation… as we fear automating problems into
production and a major risk!!!

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Safety net
Static script based deployment

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Deploying changes if needed
Development Baseline
Previous Label /
Production Golden Copy
Production
If we had the index in the baseline =>
we should take it down from production…
(Deploy Change)

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Or protecting target environment…
Development Baseline
Previous Label /
Production Golden Copy
Production
BUT… If no index in baseline =>
we should protect the NEW index on production!!!
(Protect Target)

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Dealing with conflicts => merging changes

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What does DBmaestro offer?
▪ Database Enforced Change Management solution
+ Database version control
+ Enforce best practices
+ Plugs into the ALM (change request, tickets & work items)
+ Database merge & change impact analysis
+ Know who can do what, where, when & why
▪ DevOps Solution for databases
+ Baseline aware deployment automation, rollback & recovery
+ Reduce database deployment issues
+ Plugs into release management & Continuous Delivery
Allows you to package, verify, deploy and promote database changes just as you would do with application code…
putting you in a position to build a full delivery pipeline…

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What does XL Deploy offer?
▪ Deployment Automation tool
▪ “Gets application X running in environment Y automatically”

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What does XL Deploy offer?
▪ Package the deployment of database changes along with all your other
application components to give a unified picture
▪ Easily promote the same package (including database changes!) from one
environment to the next, handling environment-specific differences automatically

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What does XL Deploy offer?

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What does XL Deploy offer?

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What does XL Deploy offer?

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What does XL Deploy offer?

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What does XL Release offer?
▪ Release/pipeline orchestration tool for Continuous Delivery
▪ “Describe, execute and improve all the steps required to get your apps from development to
production”

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What does XL Release offer?

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What does XL Release offer?
▪ Define the entire dev-to-prod pipeline/release process to take into
account your current risk/comfort level for automated database
changes
▪ Invoke XL Deploy or DBmaestro directly to apply database changes
automatically
▪ Or add manual impact analysis/review gates if you require or prefer
additional checks

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What does XL Release offer?
▪ Also plan & execute additional database actions such as backups,
copies etc.
▪ Easily tweak your process over time as your CD situation changes

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What does XL Release offer?

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What does XL Release offer?

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What does XL Release offer?

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How do DBMaestro, XL Deploy & XL Release work together?
▪ You need to be able to package, deploy and promote database
changes just like other application code to fully do CD
▪ The combination of DBmaestro, XL Deploy & XL Release allows you
to do just that

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How DBmaestro, XL Deploy & XL Release work together?
▪ DBmaestro & XL Deploy: include database changes alongside your
code to give you a unified view and automation setup for deployments
▪ DBmaestro & XL Release: Define your delivery pipeline – including
the database – to give you exactly the level of automation and manual
validation that works for you by

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Useful resources
▪ Get started today!
www.xebialabs.com
www.xebialabs.com/products
▪ Stay informed:
blog.xebialabs.com
@XebiaLabs
youtube.com/xebialabs
▪ Get started today!
www.DBmaestro.com
http://www.dbmaestro.com/products
▪ Stay informed:
dbmaestro.com/blog/
@dbMaestro
youtube.com/DBmaestro

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Thank you!
Q & A