50_SQL_with_Leetcode

This is the start of learning MySQL on Leetcode for my intern as a Data Analyst

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50_SQL_with_Leetcode

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Name		Name	Last commit message	Last commit date
Latest commit History 129 Commits
Easy		Easy
Medium		Medium
(Easy) Class More Than 5 Students.frm		(Easy) Class More Than 5 Students.frm
(Easy) Customer Placing the Largest Number of Orders.frm		(Easy) Customer Placing the Largest Number of Orders.frm
(Easy) Customer Who Visited but Did Not Make Any Transactions.frm		(Easy) Customer Who Visited but Did Not Make Any Transactions.frm
(Easy) Daily Leads and Partners.frm		(Easy) Daily Leads and Partners.frm
(Easy) Employees Whose Manager Left the Company.frm		(Easy) Employees Whose Manager Left the Company.frm
(Easy) Employees With Missing Information.frm		(Easy) Employees With Missing Information.frm
(Easy) Find Customer Referee.frm		(Easy) Find Customer Referee.frm
(Easy) Find Total Time Spent by Each Employee.frm		(Easy) Find Total Time Spent by Each Employee.frm
(Easy) Queries Quality and Percentage.frm		(Easy) Queries Quality and Percentage.frm
(Hard) Department Top Three Salaries.frm		(Hard) Department Top Three Salaries.frm
(Hard) Human Traffic of Stadium.frm		(Hard) Human Traffic of Stadium.frm
(Hard) Trips and Users.frm		(Hard) Trips and Users.frm
(Medium) Customers Who Bought All Products.frm		(Medium) Customers Who Bought All Products.frm
(Medium) Department Highest Salary.frm		(Medium) Department Highest Salary.frm
(Medium) Exchange Seats.cpp		(Medium) Exchange Seats.cpp
(Medium) Friend Requests II: Who Has the Most Friends.frm		(Medium) Friend Requests II: Who Has the Most Friends.frm
(Medium) Immediate Food Delivery II.frm		(Medium) Immediate Food Delivery II.frm
(Medium) Product Price at a Given Date.frm		(Medium) Product Price at a Given Date.frm
(Medium) Second Highest Salary.frm		(Medium) Second Highest Salary.frm
Invalid Tweets (Easy)		Invalid Tweets (Easy)
Investments in 2016 (Medium)		Investments in 2016 (Medium)
Last Person to Fit in the Bus (Medium)		Last Person to Fit in the Bus (Medium)
List the Products Ordered in a Period (Medium)		List the Products Ordered in a Period (Medium)
Managers with at Least 5 Direct Reports (Medium)		Managers with at Least 5 Direct Reports (Medium)
Market Analysis I (Medium)		Market Analysis I (Medium)
Monthly Transactions I (Medium)		Monthly Transactions I (Medium)
Nth Highest Salary (Medium)		Nth Highest Salary (Medium)
Number of Unique Subjects Taught by Each Teacher (Easy)		Number of Unique Subjects Taught by Each Teacher (Easy)
Percentage of Users Attended a Contest (Easy)		Percentage of Users Attended a Contest (Easy)
Primary Department of Each Employee (Easy)		Primary Department of Each Employee (Easy)
Product Sales Analysis I (Easy)		Product Sales Analysis I (Easy)
Product Sales Analysis III (Medium)		Product Sales Analysis III (Medium)
Project Employees I (Easy)		Project Employees I (Easy)
README.md		README.md
Rearrange Products Table (Easy)		Rearrange Products Table (Easy)
Reformat Department Table (Easy)		Reformat Department Table (Easy)
Replace Employee ID With The Unique Identifier (Easy)		Replace Employee ID With The Unique Identifier (Easy)
Rising Temperature (Easy)		Rising Temperature (Easy)
Sales Analysis III (Easy)		Sales Analysis III (Easy)
Sales Person (Easy)		Sales Person (Easy)
The Latest Login in 2020 (Easy)		The Latest Login in 2020 (Easy)
The Number of Employees Which Report to Each Employee (Easy)		The Number of Employees Which Report to Each Employee (Easy)
Top Travellers (Easy)		Top Travellers (Easy)
Tree Node (Medium)		Tree Node (Medium)

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