Interview question
Optimize a slow SQL query on a large fact table
Asked in Siemens Software Engineer interviews
Asked by
41% candidates
Difficulty
Medium
Round
Technical Round
AI synthesized from candidate reports
Question 2 of 4
Optimize a slow SQL query on a large fact table
Medium59% Candidate ReportsCODINGSiemensSoftware 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.