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Henry Yi

Optimizing Multi-table SQL Queries

Wealthfront’s trading system evaluates hundreds of thousands of client accounts daily for tax-loss harvesting and rebalancing opportunities, requiring high throughput to process all accounts within market hours and low latency to minimize price movement while making investment decisions. In a system with heavy database usage that has low-latency SLA’s such as ours, database queries must… Read more

May 31, 2023 ,