Upload
michael-rainey
View
237
Download
0
Embed Size (px)
Citation preview
[email protected] www.rittmanmead.com @rittmanmead 1
[email protected] www.rittmanmead.com @rittmanmead
Michael Rainey | KScope16
A Walk Through the Kimball ETL Subsystems with Oracle Data Integration
2
[email protected] www.rittmanmead.com @rittmanmead
Introduction
3
• Michael Rainey - Data Integration Lead - America- Oracle Data Integration expertise - Blog: http://ritt.md/mRainey - Oracle ACE Director
@mRainey
[email protected] www.rittmanmead.com @rittmanmead
About Rittman Mead
4
•World’s leading specialist partner for technical excellence, solutions delivery and innovation in Oracle Data Integration, Business Intelligence, Analytics and Big Data
•Providing our customers targeted expertise; we are a company that doesn’t try to do everything… only what we excel at
•70+ consultants worldwide including 1 Oracle ACE Director and 3 Oracle ACEs, offering training courses, global services, and consulting
•Founded on the values of collaboration, learning, integrity and getting things done
Unlock the potential of your organization’s data
•Comprehensive service portfolio designed to support the full lifecycle of any analytics solution
[email protected] www.rittmanmead.com @rittmanmead 5
Visual Redesign Business User Training
Ongoing SupportEngagement Toolkit
Average user adoption for BI platforms is below 25%
Rittman Mead’s User Engagement Service can help
More info: http://ritt.md/ue
[email protected] www.rittmanmead.com @rittmanmead
What’s Most Important for YOU in Data Integration?
6
• Big data?• Cloud?
• Financial Reporting on “one version of the truth”?
[email protected] www.rittmanmead.com @rittmanmead
Wait! What are Kimball ETL Subsystems?Do you all know of Ralph Kimball?
8
www.kimballgroup.com
Ralph Kimball founded the Kimball Group. Since the mid-1980s, he has been the DW/BI industry’s thought leader on the dimensional approach and trained more than 20,000 students. Prior to working at Metaphor and founding Red Brick Systems, Ralph co-invented the first commercially-available workstation with a graphical user interface at Xerox’s Palo Alto Research Center (PARC). Ralph has his Ph.D. in Electrical Engineering from Stanford University.
[email protected] www.rittmanmead.com @rittmanmead
The Kimball GroupDo you all know of Ralph Kimball?
9
[email protected] www.rittmanmead.com @rittmanmead
The Kimball 34 Subsystems of ETL
10
• Extracting Data - Data Profiling - Change Data Capture System - Extract System
[email protected] www.rittmanmead.com @rittmanmead
The Kimball 34 Subsystems of ETL
11
• Cleaning and Conforming Data - Data Cleansing System - Error Event Schema - Audit Dimension Assembler - Deduplication System - Conforming System
[email protected] www.rittmanmead.com @rittmanmead
The Kimball 34 Subsystems of ETL
12
• Delivering Data for Presentation - Slowly Changing Dimension
Manager - Surrogate Key Generator - Hierarchy Manager - Special Dimensions Manager - Fact Table Builders - Surrogate Key Pipeline - Late Arriving Data Handler
- Multi-Valued Dimension Bridge Table Builder
- Dimension Manager System - Fact Provider System - Aggregate Builder - OLAP Cube Builder - Data Propagation Manager
[email protected] www.rittmanmead.com @rittmanmead
The Kimball 34 Subsystems of ETL
13
• Managing the ETL Environment - Job Scheduler - Backup System - Recovery and Restart System - Version Control System - Version Migration System - Workflow Monitor - Sorting System
- Lineage & Dependency Analyzer
- Problem Escalation System - Parallelizing / Pipelining System - Security System - Compliance Manager - Metadata Repository Manager
[email protected] www.rittmanmead.com @rittmanmead
Oracle Data Integration Solutions
14
Copyright*©*2015,*Oracle*and/or*its*affiliates.*All*rights*reserved.**|* Oracle*Open*World*2015* 1*
NoETL*Engine*100%*NaEve*Data*TransformaEon*
Data$Integrator$
Big$Data$Prepara/on$
GoldenGate$
Data$Quality$
Data$Service$Integrator$
Metadata$Management$
NonIinvasive*CDC,*RealEme*streaming*
data*delivery*
Profile,*Cleanse,*Match,*and*
Remediate*Data*
Prepare,*Secure,*Enrich*and*Publish*Unstructured*Data*
Catalog,*Trace*and*View*Models*across*
the*Enterprise*
Federate*Data*Across*DBs,*Services*and*ApplicaEons*
[email protected] www.rittmanmead.com @rittmanmead
Now let’s take a walk through the ETL Subsystems
17
[email protected] www.rittmanmead.com @rittmanmead
Extracting Data
18
• Data Profiling- Oracle Enterprise Data Quality • Change Data Capture System• Extract System- Oracle Data Integrator - Oracle GoldenGate
[email protected] www.rittmanmead.com @rittmanmead
Extracting Data
18
• Data Profiling- Oracle Enterprise Data Quality • Change Data Capture System• Extract System- Oracle Data Integrator - Oracle GoldenGate
[email protected] www.rittmanmead.com @rittmanmead
Extracting Data - Data Profiling with EDQ
20
• Small dataset due to sampling percentage
[email protected] www.rittmanmead.com @rittmanmead
Extracting Data - Data Profiling with EDQ
20
• Small dataset due to sampling percentage
• _projectid looks like a primary key
[email protected] www.rittmanmead.com @rittmanmead
Extracting Data - Data Profiling with EDQ
20
• Small dataset due to sampling percentage
• _projectid looks like a primary key
• Investigate school_district blanks
[email protected] www.rittmanmead.com @rittmanmead
Extracting Data - Data Profiling with EDQ
20
• Small dataset due to sampling percentage
• _projectid looks like a primary key
• Investigate school_district blanks
[email protected] www.rittmanmead.com @rittmanmead
Extracting Data - Oracle Data Integrator
21
• Extract from many different systems? Yes!
- Multiple technologies OOTB - Custom technologies can be added • Data Server - connection to the
data source- Physical Schema - Logical Schema
[email protected] www.rittmanmead.com @rittmanmead
Extracting Data - Oracle Data Integrator
22
• Models - Based on a single data
source • Datastores- Logically represent a
table, file, XML, etc - Reverse engineer or
build manually
[email protected] www.rittmanmead.com @rittmanmead
Extracting Data - Oracle Data Integrator
22
• Models - Based on a single data
source • Datastores- Logically represent a
table, file, XML, etc - Reverse engineer or
build manually
[email protected] www.rittmanmead.com @rittmanmead
City
Extracting Data - Oracle Data Integrator
22
• Models - Based on a single data
source • Datastores- Logically represent a
table, file, XML, etc - Reverse engineer or
build manually
[email protected] www.rittmanmead.com @rittmanmead
City
Extracting Data - Oracle Data Integrator
22
• Models - Based on a single data
source • Datastores- Logically represent a
table, file, XML, etc - Reverse engineer or
build manually
State
[email protected] www.rittmanmead.com @rittmanmead
City
Extracting Data - Oracle Data Integrator
22
• Models - Based on a single data
source • Datastores- Logically represent a
table, file, XML, etc - Reverse engineer or
build manually
StateZip Code
[email protected] www.rittmanmead.com @rittmanmead
Extracting Data - Changed Data Only
24
• Change Data Capture- Extract only the changed data since the last ETL extract • Methods- Audit columns - Timed extract - Full “diff compare” - Database log scraping
[email protected] www.rittmanmead.com @rittmanmead
Extracting Data - Changed Data Only
24
• Change Data Capture- Extract only the changed data since the last ETL extract • Methods- Audit columns - Timed extract - Full “diff compare” - Database log scraping
[email protected] www.rittmanmead.com @rittmanmead
Extracting Data
27
• Data Profiling- Oracle Enterprise Data Quality • Change Data Capture System• Extract System- Oracle Data Integrator - Oracle GoldenGate
[email protected] www.rittmanmead.com @rittmanmead
Extracting Data
27
• Data Profiling- Oracle Enterprise Data Quality • Change Data Capture System• Extract System- Oracle Data Integrator - Oracle GoldenGate
[email protected] www.rittmanmead.com @rittmanmead
Cleaning and Conforming Data
28
• Data Cleansing System- ODI & EDQ • Error Event Schema- Built on ODI E$ tables • Audit Dimension Assembler• Deduplication System- EDQ • Conforming System
[email protected] www.rittmanmead.com @rittmanmead
Cleaning and Conforming - Data Cleansing System
29
• ODI - Check Knowledge Module- Check logical constraints - “Bad” data moves to error table • EDQ- Data cleansing audit processors
[email protected] www.rittmanmead.com @rittmanmead
Cleaning and Conforming - Error Event Schema
33
Image From: Data Warehouse Lifecycle Toolkit (Wiley Publishing, Inc: 2008).
[email protected] www.rittmanmead.com @rittmanmead
Cleaning and Conforming - Error Event Schema
33
SNP_CONDSNP_KEYSNP_JOIN
E$ Tables
Image From: Data Warehouse Lifecycle Toolkit (Wiley Publishing, Inc: 2008).
SNP_LPI_RUN
[email protected] www.rittmanmead.com @rittmanmead
IOUG SELECT Journal Article
34
http://ritt.md/err-schema-odi
[email protected] www.rittmanmead.com @rittmanmead
Cleaning and Conforming - Deduplication System
35
[email protected] www.rittmanmead.com @rittmanmead
Cleaning and Conforming - Deduplication System
35
[email protected] www.rittmanmead.com @rittmanmead
Cleaning and Conforming Data
36
• Data Cleansing System- ODI & EDQ • Error Event Schema- Built on ODI E$ tables • Audit Dimension Assembler• Deduplication System- EDQ • Conforming System
[email protected] www.rittmanmead.com @rittmanmead
Delivering Data
37
• Slowly Changing Dimension Manager
• Surrogate Key Generator• Hierarchy Manager• Special Dimensions Manager• Fact Table Builders• Surrogate Key Pipeline• Late Arriving Data Handler
•Multi-Valued Dimension Bridge Table Builder•Dimension Manager System•Fact Provider System•Aggregate Builder•OLAP Cube Builder•Data Propagation Manager
[email protected] www.rittmanmead.com @rittmanmead
Delivering Data
38
• Slowly Changing Dimension Manager- ODI Integration Knowledge Module - Set SCD behavior type for each
target column • Surrogate Key Generator- Database Sequence objects and ODI Sequences • Fact Table Builder- Lookups in ODI
[email protected] www.rittmanmead.com @rittmanmead
Delivering Data - Slowly Changing Dimension in ODI
39
[email protected] www.rittmanmead.com @rittmanmead
Delivering Data - Slowly Changing Dimension in ODI
39
[email protected] www.rittmanmead.com @rittmanmead
Delivering Data - Slowly Changing Dimension in ODI
39
[email protected] www.rittmanmead.com @rittmanmead
Delivering Data - SCD in ODI - Surrogate Keys
40
Additional audit columns
[email protected] www.rittmanmead.com @rittmanmead
Delivering Data - SCD in ODI - Surrogate Keys
40
Additional audit columns
[email protected] www.rittmanmead.com @rittmanmead
Delivering Data
42
• Slowly Changing Dimension Manager- ODI Integration Knowledge Module - Set SCD behavior type for each
target column • Surrogate Key Generator- Database Sequence objects and ODI Sequences • Fact Table Builder- Lookups in ODI
[email protected] www.rittmanmead.com @rittmanmead
Managing the ETL Environment
43
• Job Scheduler• Backup System• Recovery and Restart System• Version Control System• Version Migration System• Workflow Monitor• Sorting System
• Lineage & Dependency Analyzer
• Problem Escalation System• Parallelizing / Pipelining
System• Security System• Compliance Manager• Metadata Repository Manager
[email protected] www.rittmanmead.com @rittmanmead
Managing the ETL Environment - Job Scheduler
44
• Create ODI schedule on execution object
- Tied to an agent and context
• Limited flexibility- Custom Fiscal Month end,
for example
[email protected] www.rittmanmead.com @rittmanmead
Managing the ETL Environment - Job Scheduler
45
• Alternative to ODI scheduler - external scheduling tool- ODI Scenarios and Load Plans can be executed via command
line script or web service
./startloadplan.sh LOAD_EDW GLOBAL 6 -AGENT_URL=http://localhost:20910/oraclediagent
[email protected] www.rittmanmead.com @rittmanmead
12.2.1
Managing the ETL Environment - Version Control/Migration
46
• ODI 12.2.1 Lifecycle Management- Integrated with Subversion - Deployment Archives for code
migration between environments
[email protected] www.rittmanmead.com @rittmanmead
Managing the ETL Environment - Workflow Monitor
47
[email protected] www.rittmanmead.com @rittmanmead
Managing the ETL Environment - Workflow Monitor
47
[email protected] www.rittmanmead.com @rittmanmead
Managing the ETL Environment - Workflow Monitor
47
[email protected] www.rittmanmead.com @rittmanmead
Managing the ETL Environment - Workflow Monitor
47
Drilldown from ODI Session to SQL detailed activity report
Obtain real-time and historical agent statistics
[email protected] www.rittmanmead.com @rittmanmead
Managing the ETL Environment
48
• Job Scheduler• Backup System• Recovery and Restart System• Version Control System• Version Migration System• Workflow Monitor• Sorting System
• Lineage & Dependency Analyzer
• Problem Escalation System• Parallelizing / Pipelining
System• Security System• Compliance Manager• Metadata Repository Manager
[email protected] www.rittmanmead.com @rittmanmead
Where did we end up?
49
• The Kimball ETL Subsystems will guide your data warehouse program
• Oracle Data Integration can help you fully implement the ETL Subsystems
- Extract, Load, Transform with ODI and GoldenGate
- Profile and cleanse data with Enterprise Data Quality
[email protected] www.rittmanmead.com @rittmanmead
Where did we end up? One version of the truth…
50
[email protected] www.rittmanmead.com @rittmanmead
Questions?
52
• Websites- kimballgroup.com - rittmanmead.com/blog • Contact- [email protected] - [email protected] • Twitter- @rittmanmead - @mRainey
[email protected] www.rittmanmead.com @rittmanmead
Rittman Mead at KScope16
53
Oracle GoldenGate and Apache Kafka: A Deep Dive into Real-Time Data Streaming
Michael Rainey | Monday Jun 27, 4:30pm | Level 2 - Missouri
Free-Form Data Visualizations: First Session
Charles Elliott | Tuesday Jun 28, 8:30am | Level 2 - Superior A
Lunch & Learn: BI and Data Warehousing
Michael Rainey | Tuesday Jun 28, 12:45pm | Ballroom Level - Sheraton II
Lunch & Learn: Big Data and Advanced Analytics
Mark Rittman | Tuesday Jun 28, 12:45pm | Ballroom Level - Sheraton III
OBIEE 12c and Essbase: What’s New for Integration and Reporting Against EPM Sources
Mark Rittman | Wednesday Jun 29, 10:15am | Ballroom Level - Sheraton III
A Walk Through the Kimball ETL Subsystems with Oracle Data Integration
Michael Rainey | Wednesday Jun 29, 11:30am | Level 2 - Mayfair
How to Brand and Own Your OBIEE Interface: Past, Present, and Future
Andy Rocha & Pete Tamisin | Wednesday Jun 29, 2:00 pm | Ballroom Level - Sheraton III
Free-Form Data Visualizations: Second Session
Charles Elliott | Wednesday Jun 29, 2:00pm | Level 2 - Superior AOracle Big Data Discovery: Extending into Machine Learning and Advanced Visualizations
Mark Rittman | Wednesday Jun 29, 3:15pm | Level 2 - Missouri
[email protected] www.rittmanmead.com @rittmanmead 54