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SharePoint 2010 Business Intelligence
Module 9: PowerPivot
Overview
PowerPivot For Excel
PowerPivot For SharePoint
Lesson: PowerPivot For Excel
PowerPivot Introduction
PowerPivot and Excel
PowerPivot Features
PowerPivot Functions
VertiPaq Engine
Where are my rows?
SQL Azure
CodePlex Projects
PowerPivot versus SSAS
PowerPivot Introduction
Microsoft's PowerPivot for Excel 2010 is a data analysis tool for business users that delivers unmatched computational power directly within Excel 2010
Why Excel?
Excel is an easy and known tool to all business usersWhy PowerPivot?
Creating and Building Cubes with Analysis Services is complex and over kill for many organizations
NOTE: PowerPivot creation and modification works in Excel 2010 only!
Requires Enterprise SKU of SharePoint
PowerPivot & Excel
PowerPivot extends Excel
Excel is the most popular tool for business users Allows users to manage data and make decisions (If IT
can’t provide the tools, Excel is used) There are both 32bit and 64bit versions, must match your
installed Office 2010 versionPowerPivot improves Excel and End users by
Increasing efficiencies Powerful toolset of functions
Power Pivot Features
Data Analysis Expressions (DAX)
Express BI logic based on Excel formula syntax with added functionality Calculated Columns (cleanse and extend) PivotTable Measures (advanced analysis)
Tools for working with Data Sources
Table Import Wizard (html tables, other tabular data) Join disparate data into composite data sources (local text file with remote
database, two separate data warehouses) Data Feeds (SharePoint 2010 REST, ATOM) You can also copy and paste into the current in-memory data!
Data/Column-based compression
Load large data sets into memory and process in secondsBring Slicing and Dicing to Excel
Use to only exist in tools like Analysis Services (OLAP) when using large datasets
PowerPivot DAX Functions
PowerPivot has many different categories of functions:
Date and Time (EOMonth, Weekday) Filter and Value (Calculate, All) Logical (true, false) Math and Trig Statistical (CountRows, SumX) Text Time Intelligence (StartOfMonth, EndOfMonth) Information (IsError)
VertiPaq Engine
Wait, you can load “millions” of rows in Excel? What?
Yep, using the VertiPaq engine, you can download and compress millions of rows of data into Excel
What is VertiPaq?
An SSAS implementationAMO and ADOMD.NET are used to interface with VertiPaq
Means that traditional MDX and XMLA can be used to query the multidimensional data generated
Everything runs in-proc to Excel (best performance on 64bit client)
If one crashes, all crashes Limited to the memory of the machine
Most data you are crunching should have been already pre-processed at some level
Alleviate some of the work from the client machine
Where are my rows?
When you pull down 100’s of millions of rows where does the data go?
Answer: MemoryIn-Memory BI (IMBI) is a database storage technique used by PowerPivot
Common pattern used in large scale transaction systems Allows for no-disk I/O, quick data scans and compression of data Column striping versus Row striping
When saving the data, it goes into the workbook (zip file)
\customXml\item1.data For caching purposes, some resides in the %temp%\VertiPaq_<GUID>
folder before saveNote: SharePoint has a 2GB File limit, variable compression ratio means what runs in PowerPivot might not save in SharePoint!
Depending on your dataset, your compression will vary (15x), the more data, the better the compression
SQL Azure Support
One of the data sources supported with PowerPivot is SQL Azure
SQL Azure is a database server in the cloud
Just a simple SQL Server hosted somewhere else that will have (at some point) guaranteed uptime and performance features
As of today, the following is not supported in the Cloud
Analysis Services Reporting Services Replication Service Broker
Avoiding PowerPivot PowerPitfalls
PowerPivot is no doubt easy and powerful, however, be sure to Plan!
Training your PowerPivot usersDAX, Best Practices (single workbook vs multiple)
Cooperation between business units and ITPlan for power user access to data (data feeds) and support
Planning your PowerPivot for SharePoint deployment(s)Dept, Enterprise
PowerPivot requires Office 2010You have to plan another rollout of Office
You still need highly experienced BI Consultants!
PowerPivot Resources
Several helpful resources for PowerPivot exist
PowerPivotpro.com PowerPivotTwins.com
CodePlex has a PowerPivot Sample Data project
http://powerpivotsampledata.codeplex.com Data rich access databases that you can “play” with
Lesson: PowerPivot For SharePoint
Traditional Excel Issues
Why Excel And SharePoint?
Features
Management
Traditional Excel Problems
Emailing the data
Leaves the company, can cause Inbox problems (160MB reports)
Ensuring correct versions are published to recipients
Keeping the report up to date (changing data and requirements)
Report author is out for a week the report is due, what happens?
Why Excel and SharePoint?
Share and Collaborate
Put in document library, not in emailPublish your Excel reports to SharePoint
In place, scheduled data refreshesManage security with SharePoint
If they don’t have at least view permission, they will never know it exists!
PowerPivot, Excel and SharePoint, Oh My!
Combining all three technologies presents giant leap forward in the world of Business Intelligence
SharePoint provides the Security and Management Excel provides the simple and easy user interface PowerPivot provides the data analytics engine
PowerPivot for SharePoint Features
Tight integration with SharePoint through Solutions and Features
PowerPivot Gallery – Rich preview features View Only Permissions allow interaction without modification Set of custom actions added to Central Administration for
managementUnattended Data Refresh
PowerPivot data sources can be refreshed based on your custom schedule
Highly informative charts and reports provide information on usage
Utilize built in reports to track usage Discover mission-critical applications
PowerPivot for SharePoint Installation
Install is done through the SQL Server 2008 R2 installer package
Installer can create a new SharePoint Farm or add support for an existing Farm
Installation is MUCH simpler using the SQL Installer to create a NEW farm
PP4S requires a VertiPaq Analysis Services database instance
If you have installed the full Analysis Services you will need to create another instance that is in VertiPaq mode
ASOMD.NET 10.50.xxxx
PowerPivot for SharePoint Components
Components include:
SharePoint Service SharePoint Service Application Solutions and Features
Dashboards, web parts, content types and list templates (PowerPivot Gallery and Data Feed Library)
Application Database for configuration, schedule information for data refresh
Timer JobsRemoves cached data files on the servers if workbooks are deleted or modified
PowerPivot Web Service and managed extensionHandles requests between clients and PowerPivot for SharePoint
PowerPivot and Reporting Services
Exciting things happen when both are installed together
A report can be used as a data source in PowerPivot New reports can be created from PowerPivot workbooks
Requires SQL Server 2008 R2 Reporting Services
Programmatic Interfaces
AMO
Analysis management objects allows you to query the properties and structures of PowerPivot workbook in the farm
You can query, but you cannot create or modify AS objects. Only Excel 2010 can be used to modify PowerPivot workbooks
Data Storage Requirements
PowerPivot workbooks will be stored in SharePoint
Workbooks contain their data (remember our compression ratio)? These workbooks can get very large
SharePoint officially can only hold 2GB files (even with RBS)
Versioning enabled on a PowerPivot document library could pose significant storage issues
Server versus Client Processing
SharePoint 2010 is 64bit
PowerPivot workbooks that are created in a 64bit environment with a correspondingly high amount of memory will work great on a similar environments
Clients are not a server
Clients that try to tackle a workbook that has lots of data may not be successful (lack memory and processor capabilities of a server)
Evaluate the client infrastructure and ensure all users can take advantage of your PowerPivot workbooks
If working with more than 1 Million rows, you should be 64bit client
PowerPivot Monitoring
Server Status
CPU and Memory Utilization System Capacity and Performance Workbook and User Activity over Time
Quality of Service
Query Response Times Current Server State Largest and Most Popular Solutions
Solution Statistics and Monitoring
Document Information and Data Sources Activity and Top Users Query Performance per Workbook
Lab 1: Power Pivot
Install PowerPivot for Excel
Install PowerPivot for SharePoint 2010
Lab 2: Use Power Pivot
Create PowerPivot Workbooks
Configure PowerPivot for SharePoint
Upload PowerPivot Workbooks to SharePoint
Review
Your instructor will ask a series of questions on this module
Summary
PowerPivot is a powerful extension to Excel
Various new functions and tools give Excel true BI capabilities