> For some reason my jdbc firebird driver does not support delete.
> The output I get is
> org.firebirdsql.jdbc.FBDriverNotCapableException: Not yet implemented.
> at
> org.firebirdsql.jdbc.FBResultSet.deleteRow(FBResultSet.java:2020)

> Has anyone else encountered this problem?

The updatable result sets are first supported in JayBird 2.0 which is
currently in beta (this week/weekend release candidate 1 will be released).

Roman