http://hboevidence.wikis.unsw.edu.au/index.php?action=history&feed=atom&title=Query_languageQuery language - Revision history2026-10-04T22:18:44ZRevision history for this page on the wikiMediaWiki 1.31.0http://hboevidence.wikis.unsw.edu.au/index.php?title=Query_language&diff=194&oldid=prevGordoben: Imported from Wikispaces2011-06-25T08:56:00Z<p>Imported from Wikispaces</p>
<p><b>New page</b></p><div><span style="display: block; text-align: center;"><span style="display: block; text-align: center;"><span style="color: #0000ff; font-size: 220%;">Query Language</span><span style="color: #0000ff; font-size: 220%;"></span></span></span><br />
<br />
<span style="display: block; text-align: center;">The text search engine allows queries to be formed from arbitrary Boolean expressions containing the keywords AND, OR, and NOT, and grouped with parentheses. For example:</span><br />
> ===='''<span style="font-family:monospace">cervix radiotherapy:</span>'''==== <br />
> ====finds documents containing 'cervix' or 'radiotherapy==== <br />
> <br />
> '''<span style="font-family:monospace">cervix or radiotherapy:</span>'''<br />
====same as above==== <br />
<br />
**<span style="font-family:monospace">cervix and radiotherapy:</span>'''<br />
====finds documents containing both 'cervix' and 'radiotherapy'==== <br />
<br />
**<span style="font-family:monospace">cervix not radiotherapy:</span>'''<br />
====finds documents containing 'cervix' but not 'radiotherapy'==== <br />
<br />
**<span style="font-family:monospace">(cervical not radiotherapy) and hyperbaric:</span>'''<br />
====finds documents containing 'hyperbaric', plus 'cervix' but not 'radiotherapy'==== <br />
<br />
**<span style="font-family:monospace">cerv*:</span>'''<br />
====finds documents containing words starting with 'cerv', e.g., cervix and cervical==== <br />
<br />
<span style="display: block; text-align: center;">[[Search Database | Back to search page]]</span></div>Gordoben