20180901 - 9th Meeting - Power BI Module 0-1
0 likes55 views
This document summarizes the agenda and content for the 9th Meeting of the Power BI Module 0-1 on September 1st, 2018. The agenda includes a review of Module 0 on introductions and an overview of Power BI, and a focus on Module 1 about Power BI Desktop data transformations. Module 1 content covers connecting to data sources, performing basic and advanced transformations like filtering, splitting, and merging data, and setting up relationships between tables.
20180901 - 9th Meeting - Power BI Module 0-1
- 1. 9th Meeting Power BI Module 0-1 9:00PM - September 1st, 2018 Lai Trung Minh Duc | DucLTM@outlook.com Microsoft Student Partners Vietnam | Vietnam BI Community Lai Trung Minh Duc | Sept 2018 | DucLTM@outlook.com 1
- 2. Agenda • Module 0 – Introduction (Review in Meeting 8th) • Module 1 - Power BI Desktop Data Transformations • Changing Locale to current Location/Time-zone (for currency, timing) • Connecting to Database/ Services/ Text files folder to get data • Basic transformation • Advanced transformation • Relationship in Tables Lai Trung Minh Duc | Sept 2018 | DucLTM@outlook.com 2
- 3. Agenda • Module 1 - Power BI Desktop Data Transformations • Enter Data • Query Diagram Dependency • Query Parameter Lai Trung Minh Duc | Sept 2018 | DucLTM@outlook.com 3
- 4. Introduction Lai Trung Minh Duc Former External Economics student @ FTU Former Solution Architect @ Savills Vietnam Information Assurance student @ FPT Tech-writer @ Duck’s Tech Zone Full stack Developer @ Pizitech LTD. Tech-trainer @ Microsoft Student Partners Vietnam Tech-love: ASPNET Core, Python, Angular, Docker, SQL Interests: Data Visualization, Data Analytics, Finance, Marketing Lai Trung Minh Duc | Sept 2018 | DucLTM@outlook.com 4
- 5. Module 0 Power BI Overview Lai Trung Minh Duc | Sept 2018 | DucLTM@outlook.com 5
- 6. Module 0 | Power BI Overview Lai Trung Minh Duc | Sept 2018 | DucLTM@outlook.com 6 https://www.youtube.com/watch?v=YXTe_8-8EzE https://www.slideshare.net/MinhDucLaiTrung/2018 0826-8th-meeting-power-bi-orientation/
- 7. Module 1 Power BI Desktop Data Transformations Lai Trung Minh Duc | Sept 2018 | DucLTM@outlook.com 7
- 8. Module 1 | Change Locale • Purpose: Synchronize time-zone, currency, date format, decimal delimiter with Data source. • (Ex: DD/MM/YYYY versus MM/DD/YYYY) • Normally, Power BI take locale value of current Windows system. • Steps: File >> Options & Settings >> Options Lai Trung Minh Duc | Sept 2018 | DucLTM@outlook.com 8
- 9. Module 1 | Connect to Database/Services • File (6 connectors) • Database (19 connectors) • Power BI (1 connectors) • Azure (11 connectors) • Online Services (36 connectors) • Other (12 connectors) Lai Trung Minh Duc | Sept 2018 | DucLTM@outlook.com 9 https://docs.microsoft.com/en-us/power- bi/desktop-data-sources
- 10. Module 1 | Power BI connectors Lai Trung Minh Duc | Sept 2018 | DucLTM@outlook.com 10 SQL Database connector
- 11. Module 1 | Power BI connectors Lai Trung Minh Duc | Sept 2018 | DucLTM@outlook.com 11 Excel connector
- 12. Module 1 | Power BI connectors Lai Trung Minh Duc | Sept 2018 | DucLTM@outlook.com 12 CSV Text File connector
- 13. Module 1 | Power BI connectors Lai Trung Minh Duc | Sept 2018 | DucLTM@outlook.com 13 Web Connector
- 14. Module 1 | Power BI connectors | Explain Web Connector • Anonymous (Public content) • Windows (Active Directory control in LAN Company network) • Basic (Username – Password) • Web API (Header Token) • Organizational Account (Login to get company resource) Lai Trung Minh Duc | Sept 2018 | DucLTM@outlook.com 14
- 15. Module 1 | Power BI connectors Lai Trung Minh Duc | Sept 2018 | DucLTM@outlook.com 15 Folder connector (for Excel, CSV, Text files,…)
- 16. Module 1 | Power BI connectors Lai Trung Minh Duc | Sept 2018 | DucLTM@outlook.com 16 Microsoft Access connector
- 17. Module 1 | Power BI connectors | Microsoft Access important note Lai Trung Minh Duc | Sept 2018 | DucLTM@outlook.com 17 Microsoft Access connector
- 18. Module 1 |Navigator Lai Trung Minh Duc | Sept 2018 | DucLTM@outlook.com 18 • Select Related Tables (check and get relationship – related tables) → Relationship must be configured in SQL Database. • Load (Load directly to Data model) • Edit (Popup the Power Query)
- 19. Module 1 | Demo Power BI Connector | Navigator • SQL Database • Web Connector • HTML Table: https://en.wikipedia.org/wiki/List_of_largest_cities • JSON file: http://api.tvmaze.com/singlesearch/shows?q=mr- robot&embed=episodes • Navigator Lai Trung Minh Duc | Sept 2018 | DucLTM@outlook.com 19
- 20. Module 1 | Basic Transformation • Query • Duplicate column • Rename column • Change data-type • Data Filter • Apply filter and Power BI will ask to reload the Data → After loading to Data model, use that data only • Filter in Power Query (Power BI or Excel) is different from Filter in Excel Table (or Pivot Table) Lai Trung Minh Duc | Sept 2018 | DucLTM@outlook.com 20
- 21. Module 1 | Advanced Transformation • Date Extraction (Year, Month, Day, Hour, Minute, Second, Timezone, DayOfWeek,…) • Split column data (By length, by character) • Conditional column (IF – THEN – ELSE IF – THEN – ELSE ) Lai Trung Minh Duc | Sept 2018 | DucLTM@outlook.com 21
- 22. Module 1 | Advanced Transformation • Merge Query (Similar to JOIN in SQL): • Left Outer • Right Outer • Full Outer • Inner • Left Anti • Right Anti • http://radacad.com/append-vs-merge-in-power-bi-and-power-query Lai Trung Minh Duc | Sept 2018 | DucLTM@outlook.com 22
- 23. Module 1 | Advanced Transformation • Append Query (Similar to UNION in SQL): • If queries have same columns → Best scenario • Else → Number of columns = number of same columns + number of different columns → Row will contain NULL value in some columns without data • http://radacad.com/append-vs-merge-in-power-bi-and-power-query Lai Trung Minh Duc | Sept 2018 | DucLTM@outlook.com 23
- 24. Module 1 | Relationship • One-to-One • One-to-Many • Many-to-one • Many-to-Many (simplify to One-to-many) Lai Trung Minh Duc | Sept 2018 | DucLTM@outlook.com 24
- 25. Module 1 | Relationship • One-to-One • One-to-Many • Many-to-one • Many-to-Many (simplify to One-to-many) https://docs.microsoft.com/en-us/power-bi/desktop-create-and-manage- relationships Lai Trung Minh Duc | Sept 2018 | DucLTM@outlook.com 25
- 26. Module 1 | Enter Data • Copy data from Excel without using connecting feature • Self typing the data Lai Trung Minh Duc | Sept 2018 | DucLTM@outlook.com 26
- 27. Module 1 | Query Dependency View • View the dependent of each query (where does the value come from?) Lai Trung Minh Duc | Sept 2018 | DucLTM@outlook.com 27
- 28. Module 1 | Query Parameter • Filter Power Query data by end-user • Predefined value for columns Lai Trung Minh Duc | Sept 2018 | DucLTM@outlook.com 28 https://www.youtube.com/watch?v=0B3kmAsEJHY
- 29. QUIZ Any help? Lai Trung Minh Duc | Sept 2018 | DucLTM@outlook.com 29
- 30. THANK YOU DucLTM@outlook.com Lai Trung Minh Duc | Sept 2018 | DucLTM@outlook.com 30