Benchmarks:

What are the new benchmarks that replace TPC-D?

Explain scale factor.

What are three properties a good benchmark must have?

What queries would you run against the Wisconsin benchmark to determine
whether the system being tested can correctly take attribute selectivities
into account when choosing query plans.

What are some metrics you may use to reflect the performance of the recovery
system in a database?  

If you are to design an application-style benchmark for a text-oriented XML
database, what are some queries you may ask?
(Strive for maximum coverage of functionality, with as little overlap as
possible).  For each query, state what functionality it stresses.