Re: OpenOffice, Go-OO, ODBC, Offline Data Entry
Ed Carp <[email protected]> Thu, 19 Aug 2010 04:57:34 -0700
| Newsgroups | gmane.comp.db.mysql.odbc |
|---|---|
| Message-ID | <[email protected]> |
I faced a similar problem a while back. The solution I came up with is to have two extra columns - the first is a timestamp field, and the second a last change field. The timestamp field just records the date and time of the last change, and the last change field records the type of change - (A)dd, (C)hange, or (D)elete. In this scenario, deletes (if allowed) are just flagged but not done immediately, and the active records are selected by simply doing a "SELECT * FROM blah WHERE last_changed <> 'D'". Of course, ofr this to work, each record has to have a unique key - adding an IDENTITY field works nicely. Synchronization is trivial at this point. :) -- MySQL ODBC Mailing List For list archives: http://lists.mysql.com/myodbc To unsubscribe: http://lists.mysql.com/[email protected]