A Google search for "USS Yorktown" turned up the following: "On September 21, 1997, a division by zero error on board the USS Yorktown (CG-48) Remote Data Base Manager brought down all the machines on the network, causing the ship's propulsion system to fail."
RobR -----Original Message----- <snip> To eliminate the need to reference a table would require combining 300 tables into one table. A user editing entries for one space could crash the whole system. That's basically what happened aboard the Yorktown in 1997. A cook trying to enter an item into the lunch menu killed the engines on the ship. <more snip>