發(fā)簡信
IP屬地：浙江
-
數(shù)據(jù)分析框架數(shù)據(jù)分析框架——AARRR模型 數(shù)據(jù)分析框架的作用 保證結果的準確性沪蓬、可靠性夕膀、針對性 常見的分析框架(宏觀害驹，適用于管理和運營) （1）PEST分...
-
180612_Nth_highest
Write a SQL query to get the nth highest salary from the Employee table....
-
180612_SELECT certain ITEM
X city opened a new cinema, many people would like to go to this cinema....
-
180612_SELECT consecutive rows
X city built a new stadium, each day many people visit it and the stats ...
-
180608_exchange_data
Mary is a teacher in a middle school and she has a table seat storing st...
-
180608_group_compare
The Employee table holds all employees including their managers. Every e...
-
180608_find_duplicate
Write a SQL query to find all duplicate emails in a table named Person. ...
-
180607_top3items
The Employee table holds all employees. Every employee has an Id, and th...
-
180607_Highest
The Employee table holds all employees. Every employee has an Id, a sala...