1) When loading large amount of records into databases, what problems usually are there and how to deal with them

可以根据不同的load data的方法来回答常见的问题和怎么处理

2) If one computer can only holds 1 million numbers, how to find out the medium number from 100 million numbers

算法问题，找中间数
3) What’s your preferred ORM choice and why you choose it.

Ibatis, Hibernate分别介绍一下他们的特点，然后根据项目情况说出理由好了。
4) What’s your experience with scripting languages like Ruby/Python/Perl, and what do you think about it

用过的说就行了，what do you think about it可以回答一下动态语言的特点，如上手快，灵活等等
5) How will you design a process to migrate schema along the trail of dev/qa/production environments
6) Tell us something special about you. Like any self-started projects, open source projects.