09.11.2014 Views

Preliminary draft (c) 2007 Cambridge UP - Villanova University

Preliminary draft (c) 2007 Cambridge UP - Villanova University

Preliminary draft (c) 2007 Cambridge UP - Villanova University

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

1.6 Exercises 15<br />

Exercise 1.7<br />

For a conjunctive query, is processing postings lists in order of size guaranteed to be<br />

optimal? Explain why it is, or given an example where it isn’t.<br />

<strong>Preliminary</strong> <strong>draft</strong> (c)<strong>2007</strong> <strong>Cambridge</strong> <strong>UP</strong>

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!