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Optimize a slow SQL query on a large fact table

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Optimize a slow SQL query on a large fact table

Medium58% Candidate ReportsCODINGDeutsche BankSoftware Engineer

Question

Optimize a slow SQL query on a large fact table

High-Level Approach

Measure first, index for filter/join columns, consider partitioning and summary tables.

Optimize a slow SQL query on a large fact table — Deutsche… | InterviewForge AI