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找到活跃的商家Write an SQL query to find all active businesses.An active business is a business that has more than one event type with occurences greater than the average occurences of that event type among all businesses.Table: Events+---------------+-------

1369. Get the Second Most Recent Activity返回最近的第二次活动Table: UserActivity+---------------+---------+| Column Name | Type |+---------------+---------+| username | varchar || activity | varchar || startDate | Date || endDate

Project Employees给了两个表project和employeeProject+-------------+-------------+| project_id | employee_id |+-------------+-------------+| 1 | 1 || 1 | 2 || 1 | 3 || 2 | 1

Leetcode 181. Employees Earning More Than Their Managers | SQL Pandas 解法EasyThe Employee table holds all employees including their managers. Every employee has an Id, and there is also a column for the manager Id.+----+-------+--------+-----------+| I

178. Rank Scores SQL Pandas解法SQL解法一：Window Function解法二：Using CountPandas可能的变形Write a SQL query to rank scores. If there is a tie between two scores, both should have the same ranking. Note that after a tie, the next ranking number should be the next conse

177. Nth Highest Salary SQL Pandas解法题目解法SQLPandas题目EasyWrite a SQL query to get the second highest salary from the Employee table.IdSalary110022003300For example, given the above Employee table, the query should return 200 as the

176. Second Highest Salary SQL Pandas解法题目解法SQL解法一解法二解法三Pandas题目EasyWrite a SQL query to get the second highest salary from the Employee table.IdSalary110022003300For example, given the above Employee table, the query should return

Leetcode 175 Combine Two Tables SQL Pandas解法用SQL和python合并数据表