Data Analyst
Turn messy data into clear answers people can act on.
Data analysts turn business questions into measurable definitions, query and check the data, investigate suspicious results, and explain what the evidence actually supports.
Career path
14 tasks that grow with you
PHASE 1
Understand & Query
Translate a business question into data terms and answer it with basic SQL.
Translate a sales request into data terms
Business analysis · Metrics · Requirements
LockedBriefing requiredWrite your first query
SQL · Data querying · Tables
LockedBriefing requiredFilter out unfinished orders
SQL · Filtering · Business logic
LockedBriefing requiredRank the largest orders
SQL · Sorting · Ranking
LockedBriefing requiredAnswer the real sales request
SQL · Business questions · Data verification
LockedBriefing requiredPHASE 2
Aggregation & Data Quality
Summarize, combine and challenge data before trusting the result.
Find why revenue is too high
Data quality · Investigation · Evidence
LockedBriefing requiredSummarize revenue by product
SQL · Aggregation · Metrics
LockedBriefing requiredConnect products to categories
SQL · JOIN · Relational data
LockedBriefing requiredChallenge a misleading success metric
Critical thinking · Metrics · Communication
LockedBriefing requiredPHASE 3
BI & Investigation
Visualize, debug, investigate and communicate an evidence-backed finding.
Choose a chart that shows the trend
Visualization · Communication · BI
LockedBriefing requiredFix a broken dashboard filter
SQL · Debugging · Dashboards
LockedBriefing requiredInvestigate a sudden revenue drop
Investigation · Data pipelines · Critical thinking
LockedBriefing requiredExplain the finding to stakeholders
Communication · Analysis · Decision support
LockedBriefing requiredSolve the misreported region incident
Investigation · Data quality · Communication · Decision support
LockedBriefing required