1. Building Tabular Models
Pragmatic Works
Dan Clark

2. Advantages of using Tabular Data Models in SSAS
Scalability
Manageability
Security
Development Tools

3. The xVelocity Engine Fast Performance Columnar Database
Data Compression
In-memory Storage
Calculations on the Fly
Table Model

4. Importing Data from a Database
The Table Import Wizard
Tables and Views
Previewing
Queries
Stored Procedures

5. Importing Data from a File
Importing from Excel
Launches Table Import Wizard
Select Tables (sheets)
Data Preview
Text File Imports Single Table
No Query option

6. Importing Data from an SSAS Cube
SSAS 2005 or greater
MDX Query (Designer Available)
Result is Flattened to Table

7. Importing Data from a Data Feed
XML Data Streams
Online Data Source
B to B EDI
Data Feed in Atom Format
Use Table Import Wizard
Provide Web Address

8. Demo: Loading Data into a Tabular Model
Refer to Lab Notes.

9. Creating Table Relations
Relationship Types
Active and Inactive
Auto Relationship Detection
Verifying Auto Detection
Manually Defining Relationships
Data Types
Concatenated Key Relationships

10. Logical vs. Physical Model
Renaming Tables and Fields
Hiding Rows
Denormalizing After Loading Data
Using the Related Function
Denormalizing While Loading Data
Using SQL Queries

11. Hierarchies Organize Attributes Natural Hierarchies
Year  Quarter  Month
Country  Region  City
Aids in Rolling up/Drilling down Analysis

12. Demo: Updating a Data Model

13. Adding Calculated Columns
Data Types
Whole Number
Decimal Number
Currency
True/False
Text
Date
Binary
Uses DAX Expressions
Populated When Defined

14. DAX Syntax =[Margin]/[TotalCost] =[FirstName] & " " & [LastName]
="Week" & "-" & Right([CalendarWeek],2)
=FORMAT('Date'[Datekey],"dddd mmm-dd")
=Year(NOW()) - Year([BirthDate])
=MONTH([Datekey])
=IF([SellingAreaSize]>=1000,"Large","Small")

15. Navigation Functions Getting a Value From a Related Table
Getting a Set of Values From a Related Table
Filtering Values from a Related Table
=Related('ProductCategory'[ProductCategoryName])
=COUNTX(RELATEDTABLE(Store),Store[EntityKey])

16. Measures Named Formulas Defined in Measures Grid
Used in Values Area of PivotTable
Evaluated on the Fly
Evaluated Separately for Each Cell
Depends on filtering

17. Aggregation Aggregating a column Aggregating Expressions Over Rows
SUM, AVERAGE, COUNT, DISTINCTCOUNT, MIN, MAX
Aggregating Expressions Over Rows
SUMX, AVERAGEX, COUNTX, MINX, MAXX
TotalSales:=SUM([SalesAmount])
TotalMargin:=SUMX(Sales,([SalesAmount]-[TotalCost]))

18. Filter Context Row and Column Headers Slicers and Filters
DAX Formula Filters

19. Using the Calculate Function
Final Result is a single Value
Expression is Aggregate
SetFilter Modifies Filter Context
Boolean Expression
Table Expression
ResellerSales:=CALCULATE([TotalSales]
,Store[StoreType]="Reseller")
AllProductSales:=CALCULATE([TotalSales], ALL(Product))

20. Demo: Adding Calculations and Measures

21. Implementing Perspectives
Define Viewable Subsets of a Model
Provide Business-Specific Viewpoints
Select the Viewable Fields and Measures
Not Meant to be Used for Security

22. Applying Role Based Security
Define Member Permissions for a Model
Membership is by Windows Username/Group
Permissions
Read
Query Data
Process
Can Run Processing Operations
Administrator
Can Make Modifications to the Model Schema
Can Query All Data

23. Implementing Row Based Security
Row Filters Define Which Rows Can be Queried
Row Filters are Defined Using DAX Formulas
Must Evaluate to a TRUE/FALSE Value
Row Filters Apply to the Specified Rows as Well as Related Rows
Use the Filter, =FALSE(), to Deny Access to All Rows For a Table

24. Creating Partitions Each Table Has One Partition
Partitions can Be processed Independently
Divide Portions of Data Needing Frequent Processing
Use Partition Manager for Selecting Tables, Rows, and Columns for a Partition

25. Deploying a Tabular Model
Must Deploy to SSAS for Client Access
Connecting to Deployed Model
.bism Connection File in Sharepoint
Data connection directly from reporting client
Microsoft Excel, Power View, Custom Applications
Deployment Options
SQL Server Data Tools (SSDT)
Set Deployment Properties
Server, Database, Cube Name, Processing
Analysis Management Objects (AMO) Automation
Synchronize Database Wizard

26. Demo: Partitioning and Securing a Tabular Model