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RE: LeoThread 2025-02-10 00:58

in LeoFinancelast month

Part 6/8:

DAX (Data Analysis Expressions) is crucial in Power BI, allowing users to create measures and calculated columns for analysis, while SQL is primarily focused on querying.

Key Differences:

  • DAX is optimized for data modeling and aggregations.

  • SQL queries are straightforward data retrieval commands.

Live Connections vs. Extract Connections

Another technical aspect involves discussing live and extract connections:

  • Live Connection: Directly connects to a data source and fetches real-time data.

  • Extract Connection: Pulls a snapshot of data; suitable for large datasets but not updated in real-time.

Practical Visualization and Query Challenges