面试内容
1.自我介绍.
2.basic SQL question ( a. difference between inner join and left join； b. what data will return if you use right join c . explain if null )
3. 介绍我简历上面的一个Statistical analysis
4.case ( what metrics to desgin for job quality?)
面试内容
1.自我介绍.
2.basic SQL question ( a. difference between inner join and left join； b. what data will return if you use right join c . explain if null )
3. 介绍我简历上面的一个Statistical analysis
4.case ( what metrics to desgin for job quality?)