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Transactions & Reliability - EF Core Practical Data Access Labs | Aporeon

EF Core Practical Data Access Labs

Transactions & Reliability

Outbox persistence, retriable transactions, idempotency, and request cancellation.

3 drillsPractice one at a timeOrdered pathCoding problem

Recommended start

Retry Transaction Unit

Wraps a complete explicit transaction in the provider execution strategy and creates fresh context state for each retry attempt.

Hard~35 minStep 1 of 3

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1Retry Transaction UnitRecommended startWraps a complete explicit transaction in the provider execution strategy and creates fresh context state for each retry attempt.Coding problemHard~35 min.NETASP.NET CoreC#Practice

Practice order

3 drillsOne at a time

1Retry Transaction UnitUp next / Hard / ~35 min
2Order Plus OutboxMedium / ~25 min
3EF Query CancellationEasy / ~15 min

2

Order Plus OutboxPersists domain state and its outbox message in one SaveChanges transaction without publishing inside the request transaction.Coding problemMedium~25 min.NETASP.NET CoreC#

Practice

3EF Query CancellationCarries the ASP.NET Core request token into a bounded EF Core query while keeping cancellation separate from business rollback guarantees.Coding problemEasy~15 min.NETASP.NET CoreC#Practice