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X city built a new stadium, each day many people visit it and the stats are saved as these columns: id, date, people Please write a query to display t 阅读全文
posted @ 2018-06-13 17:58
VickyFengYu
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The Employee table holds all employees. Every employee has an Id, and there is also a column for the department Id. The Department table holds all dep 阅读全文
posted @ 2018-06-13 17:11
VickyFengYu
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The Trips table holds all taxi trips. Each trip has a unique Id, while Client_Id and Driver_Id are both foreign keys to the Users_Id at the Users tabl 阅读全文
posted @ 2018-06-13 17:03
VickyFengYu
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Design a Garbage Collection System (Part II) This is the second post of Design a Garbage Collection System series. If haven’t read our first post, ple 阅读全文
posted @ 2018-06-13 13:42
VickyFengYu
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Design a Garbage Collection System (Part I) Our system design interview series gets a lot of feedback in the past couple of months. I’m glad to know t 阅读全文
posted @ 2018-06-13 13:41
VickyFengYu
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Build a Web Crawler [ˈkrɔ:lə(r)] Let’s talk about this popular system design interview question – How to build a web crawler? Web crawlers are one of 阅读全文
posted @ 2018-06-13 13:39
VickyFengYu
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How to Design Youtube (Part I) One of the most common types of system design interview questions is to design an existing popular system. For example, 阅读全文
posted @ 2018-06-13 11:56
VickyFengYu
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Dropbox Interview – Design Hit Counter It starts with a simple question – if you are building a website, how do you count the number of visitors for t 阅读全文
posted @ 2018-06-13 11:49
VickyFengYu
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Design a Cache System Similar to our previous posts, we would like to select system design interview questions that are popular and practical so that 阅读全文
posted @ 2018-06-13 11:39
VickyFengYu
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Design eCommerce Website (Part II) This is the second post of Design eCommerce Website series posts. If you haven’t read the first post, it’s better t 阅读全文
posted @ 2018-06-13 10:42
VickyFengYu
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Design eCommerce Website (Part I) Over the past couple of weeks, a lot of people requested us to discuss eCommerce website. Not only has this topic be 阅读全文
posted @ 2018-06-13 10:23
VickyFengYu
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Design a Key-Value Store (Part II) This is the second post of Design a Key-Value Store series posts. If you haven’t read the first post, please go che 阅读全文
posted @ 2018-06-13 10:09
VickyFengYu
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Design a Key-Value Store (Part I) Since many people have emailed us saying they want to read more about system design interviews, we’re going to cover 阅读全文
posted @ 2018-06-13 10:04
VickyFengYu
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