Top-rated recipes tagged "conjunction"http://code.activestate.com/recipes/tags/conjunction/top/2011-06-11T02:43:22-07:00ActiveState Code RecipesConjunction select using foreign keys (Text)
2011-06-11T02:43:22-07:00Kaushik Ghosehttp://code.activestate.com/recipes/users/4166965/http://code.activestate.com/recipes/577747-conjunction-select-using-foreign-keys/
<p style="color: grey">
Text
recipe 577747
by <a href="/recipes/users/4166965/">Kaushik Ghose</a>
(<a href="/recipes/tags/conjunction/">conjunction</a>, <a href="/recipes/tags/foreign/">foreign</a>, <a href="/recipes/tags/key/">key</a>, <a href="/recipes/tags/select/">select</a>, <a href="/recipes/tags/sql/">sql</a>).
</p>
<p>Say we have a table (notes) containing rows we want to select. Each note has one or more keywords (stored in a table of the same name). We want to select notes that have a conjunction of keywords (AND). notes and keywords are linked through a foreign key table notes_keywords. The following SQL statement allows us to do this</p>