join Employee e2 on e1.ManagerId=e2.Id where e1.Salary>e2.Salary; OR # where select e1.name from Employee e1,Employee e2 where e1.ManagerId=e2.Id and e1.Salary>e2.Salary; Reference: https://leetcode.com/problems
Tell me the process you will use to perform an A/B Testing. LeetCode Question Swap Salary Given a table salary, such as the one below, that has m=male and f=female values. Swap all f and m values (i.e., change all f values to m and vice versa) with a single update query and...
Unlimited code runs and submissions Sign up 20 View all Bytedance Inc. Data Scientist questions ByteDance Data Scientist Salary $177,985 Average Base Salary $168,038 Average Total Compensation Min: $100K Max: $233K Min: $41K Max: $334K The average base salary for a Data Scientist at Byt...
每到达一个能到达的点,都去刷新所能到的最远距离,最后比较能到的最远距离和最后一个元素的索引。 Code: Time Complexity: O(n) Space Complexity: O(1)
LeetCode Question Add Binary Description: Given two binary strings, return their sum (also a binary string). Input: a = “11” b = “1” Output: “100” Day 1338 答案揭晓 DS Interview Question & Answer During an...
If you were a data scientist at a web company that sells shoes, how would you build a system that recommends shoes to a visitor? (Question asked in Verizon Data Scientist Interview) LeetCode Question Write a query in SQL to find the name of patients and their physicians who does not requ...
Meet Akash, a Principal Data Scientist with expertise in advanced analytics, machine learning, and AI-driven solutions. With a master’s degree from IIT Kanpur, Aakash combines technical knowledge with industry insights to deliver impactful, scalable models for complex business challenges.Recommended...
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Working as a data scientist at a startup, I was mainly responsible for developing and deploying machine learning models and writing spark jobs. Thus, I barely gained any product knowledge. When I saw some real interview questions onGlassDoor, such as “how to measure success?” or “how to...
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