FR-0022025-10-106 min read
Optimizing SQL Queries: 3000ms down to 50ms
Lessons learned refactoring heavy enterprise database queries and execution plans for high-throughput production environments.
When response times hit 3000ms in high-throughput enterprise systems, every millisecond counts.
At Hyundai Autoever, optimizing complex SQL queries across large data tables required analyzing execution plans, eliminating redundant joins, and creating targeted composite indexes.
By restructuring query execution paths, we achieved a 60x speedup down to 50ms, unlocking smoother user experiences for thousands of daily enquiries.
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