Huawei Technologies Graph Database interview questions

The interviewer is very professional. Firstly introduce HUAWEI products and what they are doing. Then ask me questions about my projects and related requirements. He wants a PhD student would better to help them publish a paper by the end of the intern. I think it doesn't fit my situation. They focus on the deep data structure of databases, rather than applications. I think they prefer good data structure and algorithm knowledge, which I didn't prepare well. It's a very good opportunities anyway.