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Helen Anderson
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AWS
Data Analysis
Data Technology
Leadership
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About
Recent Posts
AWS
Data Analysis
Data Technology
Leadership
Product Marketing
About
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Data Analysis
Beginner-friendly posts on relational database basics, ad hoc analysis, and reporting.
Conditional logic with the CASE expression
Why you need SQL Window Functions (part 2)
Why you need SQL Window Functions (part 1)
SQL Aggregate Functions and Mariah Carey
Entity relationship diagrams
Pearl Jam, Nirvana and beautiful data visualisations
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