You have an order table with millions of rows, and you frequently run a query that filters it by customer\_id, order\_date, and status. What indexes would you create to optimize this query, and why?

You have an order table with millions of rows, and you frequently run a query that filters it by customer\_id, order\_date, and status. What indexes would you create to optimize this query, and why?

题目类型: 技术面试题

这是一道技术面试题，常见于澳洲IT公司面试中。

难度: hard

标签: intellipaat, sql, topic-specific, sql, database

参考答案摘要

We need to create a composite index on columns that are frequently used for filtering. CREATE INDEX idx_orders_customer_date_status ON orders (customer_id, order_date, status); copy

本题提供 STAR 原则详细解答和技术解析，登录匠人学院学习中心即可查看完整答案。