Microsoft DP-800 Exam Study Guide 2026
Language: English
Published by W. Frederick Zimmerman, 2026
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- Title
- Microsoft DP-800 Exam Study Guide 2026
- Author
- Meridian Certification Press
- Publisher
- W. Frederick Zimmerman
- Publication year
- 2026
- Condition
- New
- Binding
- PAP
- Language
- English
- ISBN 13
- 9798259500075
- Item weight
- 449 grams
The Microsoft DP-800 credential establishes that the holder can build SQL-centric AI applications on Azure SQL Database, SQL Server 2025, and Microsoft Fabric, integrating large language models, embeddings, vector search, and retrieval augmented generation directly into T-SQL workflows. Holders typically work as database developers, data engineers, analytics engineers, AI application developers, and platform specialists who need to operationalize AI features without rewriting their data layer in a new language or fragmenting state across half a dozen specialty stores.
The exam covers T-SQL native AI integration in detail, including the AI_GENERATE_EMBEDDINGS family of functions, vector data types and the cosine, dot product, and L2 distance operators, the syntax for declaring vector indexes, and the optimizer behavior that determines when an index is used versus a full scan. Semantic search content addresses the difference between lexical and semantic ranking, hybrid retrieval that combines BM25 with vector similarity, reciprocal rank fusion, and the design of result sets that surface both exact matches and conceptual neighbors.
Retrieval augmented generation is treated end to end: chunking strategies for source documents, choice of embedding model and its impact on recall and dimensionality, vector store layout in SQL versus external services, prompt construction that grounds the model in retrieved context, citation handling that preserves provenance through the response, and the evaluation harness needed to measure faithfulness and answer relevance over time. Azure OpenAI Service integration covers authentication via managed identity, content filtering policies, quota management across deployment regions, deployment of fine-tuned models, and the cost model that governs token-billed workloads.
Microsoft Fabric topics include the lakehouse architecture, OneLake as the unified storage layer, the relationship between Fabric and Azure SQL, mirroring of operational databases into the lakehouse without a separate ETL pipeline, and the use of Fabric notebooks alongside T-SQL for AI feature engineering. Performance optimization addresses index design for vector columns, partitioning strategies for high-cardinality embedding tables, batching of embedding generation calls, caching of frequent queries at multiple layers, and the monitoring needed to detect drift in embedding distributions as upstream content evolves.
Security and governance content covers row-level security for tenant isolation in shared vector stores, classification and masking of sensitive content before it reaches the model, audit trails for AI-generated outputs that satisfy regulator and customer review, and the responsible AI controls that pass enterprise compliance and procurement reviews without exception requests.
The volume includes 120 practice questions covering each exam domain, with detailed answer explanations that include T-SQL snippets, query plans, and pseudocode for the surrounding application logic.
Intended readers include database developers extending into AI features, data engineers consolidating on the SQL stack rather than fragmenting across specialty stores, and application developers who want to keep state, retrieval, and generation in one transactional system. Working knowledge of T-SQL is assumed throughout.
Format: 8.5x11 perfect-bound, large-format study layout with code listings, architecture diagrams, and exam-domain headers mapped to the DP-800 skills outline.
Drafted with frontier large language models and adversarially verified for technical accuracy. This is an independent publication and is not affiliated with, endorsed by, or sponsored by Microsoft Corporation; all trademarks are property of their respective owners.
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