Metadata
Technology & Computer Science Any Level Apply Medium-
Subject
Technology & Computer Science
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Education level
Any Level
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Cognitive goals
Apply
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Difficulty estimate
Medium
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Tags
sql, joins, inner join, left join, aggregation, data analysis
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Number of questions
5
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Created on
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Generation source
Fully autonomous and synthetic. Generation by GENO 0.1A using GPT-5-mini
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License
CC0 Public domain
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Prompt
Assess learners' ability to write and interpret SQL queries that use INNER, LEFT, RIGHT, FULL, CROSS and self-joins to combine multiple tables; include join conditions (ON/USING), handling NULLs, joins with GROUP BY and aggregates, filtering results, detecting duplicates/anomalies, and choosing the correct join type for applied data-analysis tasks and simple performance considerations.
Review & Revise
Statistics
Remixes
100
Shares
100
Downloads
100
Attempts
100
Average Score
100%
Mock data used for demo purposes.