Re: Select Query on Table with no Primary Key

From: Dave Merrin (dmerri..pasystems.co.uk)
Date: Thu Jun 07 2007 - 04:20:15 EDT

  • Next message: Dave Merrin: "Re: Select Query on Table with no Primary Key"

     From a brief try this morning I don't think this works. I'm going to
    try again and also see if there is anything else I can do.

    Cheers,

    Dave

    Michael Gentry wrote:
    > It's not a hijacking. It is interesting to point out that JPA does not
    > support tables without PKs -- I really should learn more about JPA
    > soon. I
    > can understand why, too (need to know what to update and how to make
    > joins,
    > etc). I'm kind of curious if Cayenne supports PK-less for read-only data
    > now, though. Seems to me that could be a useful thing.
    >
    > /dev/mrg
    >
    >
    > On 6/6/07, Craig L Russell <Craig.Russel..un.com> wrote:
    >>
    >> I don't want to hijack this thread, but just point out that JPA does
    >> not support tables without primary key; JDO does (including updates)
    >> as an optional feature.
    >>
    >> Craig
    >>
    >>
    >

    This archive was generated by hypermail 2.0.0 : Thu Jun 07 2007 - 04:22:30 EDT