leetcode: sql practice 197. 上升的温度:dateDiff https://leetcode-cn.com/problems/rising-temperature/ SQL架构 给定一个 Weather 表,编写一个 SQL 查询,来查找与之前(昨天的)日期相比温度更高的所有日期的 Id。 例如,根据上述给定的 Weather 表格,返回如下 Id: 思路: 关系:日期相邻,且后面的温度大于前天...
tab=BB08J2题目介绍链接：https://leetcode.cn/problems/median-employee-salary需求示例解释Schema为了方...
LeetCode has over 1,900 questions for you to practice, covering many different programming concepts. Every coding problem has a classification of either Easy, Medium, or Hard. LeetCode problems focus on algorithms and data structures. Here is some topic you can find problems on LeetCode: Mathem...
For example, Assume that words = ["practice", "makes", "...leetcode 821:Shortest Distance to a Character Python https://leetcode.com/problems/shortest-distance-to-a-character/ ...LeetCode-821. Shortest Distance to a Character Given a string S and a character C, return an array of...
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...
最后的话来看一下ChatGPT如何辅导Leetcode SQL题目。 我随便找了一道Leetcode database的题目,https://leetcode.cn/problems/second-highest-salary/,复制粘贴给ChatGPT。 can you explain? what if we want to get the Nth highest salary? what does 'LIMIT n-1, 1 ' mean?
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. Use SQLZoo to practice, test and improve your skills to bring your SQL to the next level. ...
11. HackerEarth 1️⃣Practice 2️⃣Compete 12. CodeChef 1️⃣Learn 2️⃣Practice 3️⃣Compete 13. CodeForces 1️⃣Problem Set 2️⃣Contests 14. AtCoder 1️⃣Contest 15. Sphere Online Judge (SPOJ) 1️⃣Problems 2️⃣Contests 16. LightOJ 1️⃣Prob...
SQLZoo: Offers interactive SQL tutorials and quizzes to practice SQL queries for various database systems. LeetCode: Provides SQL challenges and contests to test and improve your SQL skills. HackerRank: Offers a SQL domain with a wide range of SQL problems and challenges. ...
Practice Regularly: Solve SQL problems on platforms like LeetCode, HackerRank, or SQLZoo to sharpen your skills. Optimize Queries: Focus on writing efficient queries by using proper indexing and understanding query plans. Know Advanced Concepts: Be prepared to discuss window functions, CTEs, normalizat...