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Power BI

Microsoft Power BI is one of the leading business intelligence and data visualisation platforms, enabling businesses to connect to data sources, transform data, and create interactive dashboards and reports. It's deeply integrated with Microsoft's ecosystem and widely adopted in enterprise environments.

What is Power BI?

Power BI provides Power Query for data transformation/ETL, a DAX (Data Analysis Expressions) formula language for calculated measures, a drag-and-drop report builder with rich visualisations, real-time dashboards, Row-Level Security for data access control, Power BI Service for sharing and collaboration, and integration with Excel, Azure, SharePoint, Teams, and hundreds of data connectors.

Why Power BI matters for your career

Power BI is the standard BI tool in Microsoft-centric enterprises, competing with Tableau and Looker. Organisations on Microsoft 365 often get Power BI Pro at no marginal cost, making it the default BI platform. Analysts who can build self-serve Power BI dashboards reduce reporting bottlenecks and enable data-driven decisions at every level of the organisation.

Career paths using Power BI

Power BI skills are expected for Data Analyst, Business Intelligence Analyst, Financial Analyst, and Operations Analyst roles in enterprises. It's particularly prevalent in finance, manufacturing, healthcare, and government sectors.

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Frequently asked questions

Power BI vs. Tableau — which should I learn?▼

Learn Power BI for Microsoft-ecosystem companies and roles. Learn Tableau for data-science-heavy environments and companies using Salesforce. Power BI is generally considered better value (included in Microsoft 365); Tableau has richer visualisation capabilities and is more popular in Silicon Valley tech companies.

What is DAX?▼

DAX (Data Analysis Expressions) is Power BI's formula language for creating calculated columns and measures. It's similar conceptually to Excel formulas but designed for relational tabular data models. Common functions include CALCULATE, FILTER, SUMX, and DATEADD for time intelligence.