git-svn-id: https://jules.scsys.co.uk/repository/shadowcat-code/scratchpad/matthewt/sig/lib@2335
8a6f57db-631f-0410-b083-dc7c4259d016
< heartburn> \ | | | | | | | | | | | /
< heartburn> ~ F U C K B O O T S T R A P ~
< heartburn> / | | | | | | | | | | | \
+%
+< robsco> next question is, to always allow null for foreign keys, or
+ only as the app requires? (i like to standardise)
+< ilmari> standardise on doing the right thing in each case
+< mauke> at a previous job, LEFT OUTER JOIN was the company standard for joins