SQL Practice - July 3,18 One day off for yesterday because of overtime work. Again, two questions for today. Question 1:Consecutive Numbers Source: Leetcode Write a SQL query to find all numbers that appear at least three times consecutively. For example, given the above Logs table, 1 is...
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Similar to SQL Pad, LeeCode also offers questions asked by tech giants like Google, Amazon, Facebook, Microsoft, Apple, and Bloomberg, among many others. The LeetCode platform, unlike many others, is not just limited to SQL Programming but also offers training and classes on almost all signi...
In SQL interviews, success comes from a combination of mastering core concepts, consistent practice, and a calm, structured approach to solving problems. By understanding key SQL operations, optimizing your queries, and being prepared to tackle complex scenarios, you’ll be able to impress interviewe...
Practice SQL Scripts From Interview Prep Websites These are scripts that answer questions from leetcode, DataLemur, hackerank and sqlzoo. Links to questions and my answers are below! LeetCode QuestionAnswer Employees earn more than their managers Solution Second highest salaries Solution Customers who...
Real-life scenarios: Practice answering real-world SQL interview questions and be prepared to explain how you would approach solving a specific problem. Many third-party websites available to practice such skills like Leetcode, Hackerrank et cetera. Understand Database Engine: If the company you ar...
最近在刷 LeetCode & 牛客 以复习SQL。本文只记录自己不会(以下题号前标注【重点】)或有小失误的题,方便自己复习~ LeetCode的SQL刷题总结在:Reconcile:LeetCode - SQL/MySQL 刷题记录(自用版) 牛客目前大概有300+道SQL题,分为下面几个模块: 由于题目比较多,难度差异也比较大,故决定将牛客SQL刷题总结分为两...
you can practice SQL on it too. Thecollection of SQL questionson LeetCode is quite diverse, with varying difficulty levels and topics. You can also filter questions by the tag: the tags correspond to the names of the companies. However, you can access only a subset of the questions with ...
For practicing your general coding skills, there are many great, modern platforms such as Leetcode but SQL is a skill which tends to get less appreciation — mostly because it's not super sexy, or accessible. So, use SQLZoo to practice, test and improve your skills to bring your SQL to...
This repository covers supplementary analysis of SQL for LeetCode and classic interview questions, tradeoff between performance optimization and developmental efficiency, and how it relates to general database design consideration (e.g. indexing and join). Specific sample databases are provided to illustra...