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Etl overview training

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ETL, Business Intelligence, DWH, BI Training

ETL, Business Intelligence, DWH, BI Training

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Transcript

  • 1. Business Intelligence - BI - ETL - Developer -Training
  • 2. Index 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. Data Warehousing Concepts What is Data Warehouse (DHW)? Difference between OLTP and DWH? Data Acquisition Data Extraction Data Transformation Data Loading Data Marts Dependent Data Mart Independent Data Mart Database Design Star Scheme 13. 14. 15. 16. 17. Basic Concept in SQL Overview of ETL Tool Architecture White Box Testing Functionality on Different transformation Rules Data Warehouse Life Cycle Types of Testing Techniques in ETL
  • 3. What is ETL? In computing, extract, transform, and load (ETL) refers to a process in database usage and especially in data warehousing that: Data Sources A ● Extracts data from outside sources ● Transforms it to fit operational needs, which can include quality levels ● Loads it into the end target (database, more specifically, operational data store, data mart, or data warehouse) Data Sources B Data Sources C ETL Data Warehous e
  • 4. ETL Scenario ● When there are many source systems to be integrated ● When source systems are in different formats ● When this process needs to be run repeatedly (e.g. daily, hourly, real time) ● To take advantage of pre-built warehouses/marts. Many of these exist for popular platforms such as PeopleSoft, SAP, JD Edwards.
  • 5. ETL Process
  • 6. From Data -> Business Value
  • 7. ETL Testing Concepts Source System Transaction system ● SAP ERP ● SAP CRM ● E-Commerce External Data ● Excel ● External Data ● Excel ● ETL Layer Extract. Transformation, and load (ETL) Layer ● ● ● ● ● ● ● ● Clease Data Filter Records Standardizad Value Decode Values Apply Business Rules Householding Dumpe records Merge record ETL Tools: - BODS 4.0 - Informatica PowerMart Data and Meta data Layer Enterprise Data Warehouse ODS Presentation Layer Reporting Tools ● OLAP TOOLS ● Data ● Ad Hoc Query Tools ● Data Mining Tools Data Metadata Repository - Oracle - SQL Server - Teradata - DB2 Data ETL Tools: - Business Objects 4.0 - HTML Reports Cognos
  • 8. Source systems
  • 9. ETL Vendors
  • 10. ETL Reporting tools
  • 11. 2. BI Launchpad
  • 12. 3. BO Dashboard
  • 13. 4. Information design Tool
  • 14. 5. Crystal Reports 2011
  • 15. 6. BO Analysis for OLAP
  • 16. 7. BI Workspaces
  • 17. SAP BO 4.0 Interactive Analysis
  • 18. Next step?
  • 19. Contact Me ● ● ● ● ● ETL Design ETL Building ETL Testing ETL Support ETL Training BSc. Mondy Holten Software Engineer (ETL, BI, SAP, HCM) info@mmobilesolutions.com +31629446309