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c

Delete a LARGE ( > 10 k) records from the db, commit then ask 'can we undo that'?

UPDATE important_table SET foo = 0;
locks master
replicates to slaves
 We wer able to recove

DROP table <tablename>;

OH SHIT.... control C.

<still replicates to slave in bin logs>

PROFIT with shame donuts.

Yes they were received.

storing a DATE in a VARCHAR field is NOT okay.

In the "BIG BOOK OF HOW TO DO EVERYTHING" you will NEVER find "Add 23 columns to a table that already has more than 100".

someone REDEFINED the defined() function in perl. i.e.

sub faux_defined {
   $m = shift;

   if ($m) {
     return 'true';
   } else {
     return 'false';
   }
}

this wasn't quite shame donut worthy, but still worth the mention. perhaps a bagel.

someone ran a SQL query that would've updated all of customer's 911 address to the same. it was noticed in time and shame donuts were delivered as requested.