Chapter 26. Local Databases

In This Chapter

• Code-first and database-first data model creation

• Differences between isolated storage and XAP file deployment

• Change tracking with LINQ to SQL

• Defining one-to-many relationships

• Retrieving a local database from isolated storage

• Using SqlMetal to generate your data model

• Deploying a prepopulated database to isolated storage

• A testable navigation service

• Schema versioning

• Mapping inheritance hierarchies

• Controlling optimistic concurrency

• A Twitter timeline viewer

For some apps, having to rely on a cloud service for storing application data is not practical. Some scenarios cry out for local storage of structured data on the phone.

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