{"product_id":"azure-cosmos-db-for-net-benjamin-day-9798996158416","title":"Azure Cosmos DB for .NET Developers: From Document Thinking to Production Patterns","description":"\u003cb\u003eThe only current book on Azure Cosmos DB for .NET developers - written by a 20-year Microsoft MVP who built the open-source library used throughout.\u003c\/b\u003e \u003cp\u003e\u003c\/p\u003eYou know relational databases. You've spent years writing entity classes, mapping foreign keys, building adapter layers, and wrestling EF Core into submission. It works. But it costs you something - and you feel it every time a simple domain object gets shredded into five tables just so the database can store it. \u003cp\u003e\u003c\/p\u003eCosmos DB stores your objects as-is. No impedance mismatch. No DTO translation layers. No adapter code. Your domain model goes in, your domain model comes out. But thinking in documents instead of rows requires a genuine mental shift - and the official docs won't get you there. \u003cp\u003e\u003c\/p\u003eThis book will. \u003cp\u003e\u003c\/p\u003e\u003cb\u003eWhat's inside: \u003c\/b\u003e\u003cul\u003e\n\u003cli\u003eThe \"trees vs. boxes\" mental model that changes how you think about data design\u003c\/li\u003e\n\u003cli\u003eDocument modeling with aggregate roots - where to draw the boundaries and why\u003c\/li\u003e\n\u003cli\u003eHierarchical partition keys, request unit economics, and how not to go broke\u003c\/li\u003e\n\u003cli\u003eThe repository pattern, done right, for Cosmos DB\u003c\/li\u003e\n\u003cli\u003eChange Feed event patterns with Azure Functions\u003c\/li\u003e\n\u003cli\u003eSecurity, managed identity, and the two permission systems nobody explains well\u003c\/li\u003e\n\u003cli\u003eA complete production case study - a cocktail recipe search engine with 5,800 recipes, multi-tenancy, and AI-powered vector search\u003c\/li\u003e\n\u003cli\u003eLINQ vs. raw SQL query mechanics and how to instrument what actually runs\u003c\/li\u003e\n\u003cli\u003eReporting with Microsoft Fabric when Cosmos DB isn't the right tool\u003c\/li\u003e\n\u003cli\u003eTwo reference appendices you'll keep coming back to\u003c\/li\u003e\n\u003c\/ul\u003eAll examples use C# and ASP.NET Core. The author's production-tested \u003cb\u003eBenday.CosmosDb\u003c\/b\u003e NuGet library is used throughout - not as a black box, but as a teaching tool for patterns you can apply to your own code. \u003cp\u003e\u003c\/p\u003e\u003cb\u003eBenjamin Day\u003c\/b\u003e is an independent consultant with nearly 30 years in .NET, Azure, and software architecture. A 20-consecutive-year Microsoft MVP and Pluralsight author, he has helped organizations across industries modernize their data platforms and fix the structural problems that tools alone can't solve.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAuthor:\u003c\/b\u003e Benjamin Day\u003cbr\u003e\u003cb\u003eISBN-13:\u003c\/b\u003e 9798996158416\u003cbr\u003e\u003cb\u003ePublisher:\u003c\/b\u003e Benjamin Day Consulting, Inc.\u003cbr\u003e\u003cb\u003eLanguage:\u003c\/b\u003e English\u003cbr\u003e\u003cb\u003ePublished:\u003c\/b\u003e 05\/27\/2026\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 292\u003cbr\u003e\u003cb\u003eFormat:\u003c\/b\u003e Paperback\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 1.12lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 10.00h x 7.00w x 0.61d","brand":"Benjamin Day","offers":[{"title":"Paperback","offer_id":50546480742655,"sku":"9798996158416","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/2982\/9887\/files\/img_d2ab86c7-1409-4490-ab7f-8992063e97f4.jpg?v=1790537495","url":"https:\/\/www.whiterainbookhouse.com\/products\/azure-cosmos-db-for-net-benjamin-day-9798996158416","provider":"WR Book House","version":"1.0","type":"link"}