insert
Takes a table name as the first argument and assumes that the rest of the arguments are an array of key-
value pairs to be inserted.
If the insert succeeds, returns the id of the insert, otherwise, returns a Class::ReturnValue object with
the error reported.
database_version
return the database version, trimming off any -foo identifier
case_sensitive
Returns undef, since Sybase's searches are not case sensitive by default
distinct_querySTATEMENTREF
Takes an incomplete SQL SELECT statement and massages it to return a DISTINCT result set.