
LeetCode Database
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【Database】【LeetCode】175. Combine Two Tables
SQL Schema > Create table Person (PersonId int, FirstName varchar(255), LastName varchar(255)) Create table Address (AddressId int, PersonId int, City varchar(255), State varchar(255)) Truncate t...原创 2019-09-24 15:14:11 · 144 阅读 · 0 评论 -
【Database】【LeetCode】176. Second Highest Salary
SQL Schema > Create table If Not Exists Employee (Id int, Salary int) Truncate table Employee insert into Employee (Id, Salary) values ('1', '100') insert into Employee (Id, Salary) values ('2', ...原创 2019-09-24 15:18:20 · 119 阅读 · 0 评论 -
【Database】【LeetCode】178. Rank Scores
SQL Schema > Create table If Not Exists Scores (Id int, Score DECIMAL(3,2)) Truncate table Scores insert into Scores (Id, Score) values ('1', '3.5') insert into Scores (Id, Score) values ('2', '3...原创 2019-09-24 15:19:57 · 251 阅读 · 0 评论 -
【Database】【LeetCode】180. Consecutive Numbers
SQL Schema > Create table If Not Exists Logs (Id int, Num int); Truncate table Logs; insert into Logs (Id, Num) values ('1', '1'); insert into Logs (Id, Num) values ('2', '1'); insert into Logs (...原创 2019-09-24 15:38:42 · 203 阅读 · 0 评论 -
【Database】【LeetCode】181. Employees Earning More Than Their Managers
SQL Schema > Create table If Not Exists Employee (Id int, Name varchar(255), Salary int, ManagerId int); Truncate table Employee; insert into Employee (Id, Name, Salary, ManagerId) values ('1', '...原创 2019-09-24 15:48:34 · 246 阅读 · 0 评论 -
【Database】【LeetCode】182. Duplicate Emails
SQL Schema > Create table If Not Exists Person (Id int, Email varchar(255)); Truncate table Person; insert into Person (Id, Email) values ('1', 'a@b.com'); insert into Person (Id, Email) values (...原创 2019-09-24 15:54:11 · 230 阅读 · 0 评论