On 2013-07-15 15:06, Henry Vermaak wrote: > Could you explain why the above is bad for those of us that aren't DB > experts? To my untrained eye it looks fairly plausible, so I'm > obviously missing something.
I never inserted data into column C, so MySQL decided on its own that it should magically contain the value 0 — inventing data! Last time I checked 0 <> null in SQL terms either. Regards, G. -- _______________________________________________ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus