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Exam
70-768

SQL Server logo

  • Published:
    August 26, 2016
  • Languages:
    English
  • Audiences:
    IT professionals, Developers
  • Technology:
    SQL Server
  • Credit toward certification:
    MCP, MCSA

Developing SQL Data Models

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Skills measured

This exam measures your ability to accomplish the technical tasks listed below. The percentages indicate the relative weight of each major topic area on the exam. The higher the percentage, the more questions you are likely to see on that content area on the exam. View video tutorials about the variety of question types on Microsoft exams.

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Design a multidimensional business intelligence (BI) semantic model (25–30%)
  • Create a multidimensional database by using Microsoft SQL Server Analysis Services (SSAS)
    • Design, develop, and create multidimensional databases; select a storage model
  • Design and implement dimensions in a cube
    • Select an appropriate dimension model, such as fact, parent-child, roleplaying, reference, data mining, many-to-many, and slowly changing dimension; implement a dimension type; define attribute relationships
  • Implement measures and measure groups in a cube
    • Design and implement measures, measure groups, granularity, calculated measures, and aggregate functions; define semi-additive behavior
Design a tabular BI semantic model (20–25%)
  • Design and publish a tabular data model
    • Design measures, relationships, hierarchies, partitions, perspectives, and calculated columns; create a time table; publish from Microsoft Visual Studio; import from Microsoft PowerPivot; select a deployment option, including Processing Option, Transactional Deployment, and Query Mode
  • Configure, manage, and secure a tabular model
    • Configure tabular model storage and data refresh, configure refresh interval settings, configure user security and permissions, configure row-level security
  • Develop a tabular model to access data in near real time
    • Use DirectQuery with Oracle, Teradata, Excel, and PivotTables; convert in-memory queries to DirectQuery
Develop queries using Multidimensional Expressions (MDX) and Data Analysis Expressions (DAX) (15–20%)
  • Create basic MDX queries
    • Implement basic MDX structures and functions, including tuples, sets, and TopCount
  • Implement custom MDX solutions
    • Create custom MDX or logical solutions for pre-prepared case tasks or business rules, define a SCOPE statement
  • Create formulas by using the DAX language
    • Use the EVALUATE and CALCULATE functions, filter DAX queries, create calculated measures, perform data analysis by using DAX
Configure and maintain SQL Server Analysis Services (SSAS) (30–35%)
  • Plan and deploy SSAS
    • Configure memory limits, configure Non-Union Memory Architecture (NUMA), configure disk layout, determine SSAS instance placement
  • Monitor and optimize performance
    • Monitor performance and analyze query plans by using Extended Events and Profiler, identify bottlenecks in SSAS queries, monitor processing and query performance, resolve performance issues, configure usability limits, optimize and manage model design
  • Configure and manage processing
    • Configure partition processing; configure dimension processing; use Process Default, Process Full, Process Clear, Process Data, Process Add, Process Update, Process Index, Process Structure, and Process Clear Structure processing methods; configure Parallel, Sequential, and Writeback processing settings
  • Create Key Performance Indicators (KPIs) and translations
    • Configure KPI options, including Associated measure group, Value Expression, Goal Expression, Status, Status expression, Trend, Trend expression, and Weight; create KPIs in multidimensional models and tabular models; create and develop translations

Preparation options

Instructor-led training
Practice test

Take a Microsoft Official Practice Test for Exam 768

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Books

Exam Ref 70-768: Developing SQL Data Models
Published: May 2017

Prepare for Microsoft Exam 70-768–and help demonstrate your real-world mastery of Business Intelligence (BI) solutions development with SQL Server 2016 Analysis Services (SSAS), including modeling and queries. Designed for experienced IT professionals ready to advance their status, Exam Ref focuses on the critical thinking and decision-making acumen needed for success at the MCSA level.

Buy this book at the Microsoft Press Store

Who should take this exam?

This exam is intended for business intelligence (BI) developers who focus on creating BI solutions that require implementing multidimensional data models, implementing and maintaining OLAP cubes, and implementing tabular data models.

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