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4 articles
Three different SQL Server errors, one root cause: your migration files and the __EFMigrationsHistory table disagree about what has been applied. Here is the query that shows you the disagreement, and the fix for each of the three ways it happens.
An index is how reads survive scale; idempotency is how writes survive retries. What each one fixes, why composite column order decides everything, and the migration-history failure that showed both ideas meeting.
EF Core projections, tagged output caching and batched writes - the seven changes that made a real Web API fast on a slow database link.
ASP.NET Core runs on Linux, and so does SQL Server. Here is how to tell which .NET you are on, and how much RAM and storage each option really needs.
