This database is so wonderful it isn't true: http://www.nottingham.ac.uk/classics/oaths/index.php
Not only does it index 3700 oaths from clasical Greek literature, the database has been carefully designed so as to include fields for the swearer's gender, age, status and citizenship, the god, hero or object by which the swearer swore and the consequences if the oath is taken, refused, kept or broken.
I managed to make it display an error message by searching for oaths invoking the Ερινύες (Erniyes, or Furies).

