BI Analyst (Power BI / Tableau / SQL) — SeniorCovers DAX and Tableau calculations, SQL query patterns, and dashboard/data modeling decisions senior BI analyst interviews focus on.Price: US$ 24.89. 100 published questions in this package.Objectives

Data Modeling

SQL & Analytics

Reporting & KPIs

Power BI

ETL & Pipelines

Power BI / DAX

Statistics & Data Quality

Business Analysis

Statistics & Analysis

Tableau

Data Quality

Visualization

Dashboard Design

SQL & Databases

Data Governance

SyllabusData ModelingSQL & AnalyticsReporting & KPIsPower BIETL & PipelinesPower BI / DAXStatistics & Data QualityBusiness AnalysisStatistics & AnalysisTableauData QualityVisualizationDashboard DesignSQL & DatabasesData GovernanceSample questions

What is the difference between a star schema and a snowflake schema in a data warehouse?

What are window functions and when would you use them instead of a GROUP BY?

What is the difference between a KPI, a metric, and a dimension?

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