best practices for database deployments
DESCRIPTION
Best Practices for Database Deployments. SQL In The City Cambridge presentation by Grant Fritchey, Red Gate SoftwareTRANSCRIPT
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Best Practices for Database Deployments
Grant FritcheyRed Gate Software
#sqlinthecity
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Goals
• Understand how to create your own deployment mechanisms
• Learn about the tools available for automation of the deployment process
• Acquire the knowledge of how to test your deployments
#sqlinthecity
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The Database “Problem”
• Information persistence layer• Businesses like their data• Keeping that data in place can be work–Which is the start of the “problem”
• Object Relational Impedance Mismatch –Which is the rest of the “problem”
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#sqlinthecity
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The Database “Solution”
• Treat it as much like code as possible• Do the following–Work directly with the development team– Define a repeatable process– Put the database into source control– Put tests in place to validate the database– Automate as much of the process as
possible• Follow the local development paradigm as
much as possible
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#sqlinthecity
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Process: Team Glue
• You must define a process– It’s your process, you define it
• Management buy-in• Write the process down– And publish it
• Review process regularly• Follow the process– Exceptions have to be exceptional
• The process applies to everyone– No, DBAs, you’re not that special
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Development Process
Development
QA/Testing
Production
#sqlinthecity
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Building a Deployment Process
Development
QA/Testing
Production
#sqlinthecity
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Building a Deployment Process• Production deployment script• Test script on copy of production• Generate script for production from label• Label code in source control• Add changes to source control• Make changes to code• Get code from source control
#sqlinthecity
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Source Control
• Two known states– Production– Source Control
• Ensures coupling between application and database
• History of changes• Auditing
#sqlinthecity
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Testing Deployments
• ABCD– Always Be Continuously Deploying
• Unit Testing• Continuous Integration• Copies of production
#sqlinthecity
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Deploying to Multiple Environments
• Multiple moves between multiple environments
• Every deployment is practice
#sqlinthecity
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Deploying to Multiple Environments
• Multiple moves between multiple environments
• Every deployment is practice
#sqlinthecity
![Page 15: Best Practices for Database Deployments](https://reader035.vdocuments.us/reader035/viewer/2022062514/558782e7d8b42a977d8b45c2/html5/thumbnails/15.jpg)
Deploying to Multiple Environments
• Multiple moves between multiple environments
• Every deployment is practice
#sqlinthecity
![Page 16: Best Practices for Database Deployments](https://reader035.vdocuments.us/reader035/viewer/2022062514/558782e7d8b42a977d8b45c2/html5/thumbnails/16.jpg)
Deploying to Multiple Environments
• Multiple moves between multiple environments
• Every deployment is practice
#sqlinthecity
![Page 18: Best Practices for Database Deployments](https://reader035.vdocuments.us/reader035/viewer/2022062514/558782e7d8b42a977d8b45c2/html5/thumbnails/18.jpg)
Integrating Database with Application
• Coupled through source control• Labeled together• Deployed together• Database is deployed first
#sqlinthecity
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Deployment Automation
• Remove humans from the equation• Speed the process• Make the process repeatable• Take advantage of the tools you know
#sqlinthecity
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Summary
• Define a process• Work backwards from production• All database code in source control• Integrate tightly with development team• Test and validate all code• Automate as much as possible
#sqlinthecity
![Page 22: Best Practices for Database Deployments](https://reader035.vdocuments.us/reader035/viewer/2022062514/558782e7d8b42a977d8b45c2/html5/thumbnails/22.jpg)
Goals
• Understand how to create your own deployment mechanisms
• Learn about the tools available for automation of the deployment process
• Acquire the knowledge of how to test your deployments
#sqlinthecity