On 28 November 2016 at 15:19:12, Tedd Sperling (tedd.sperling@xxxxxxxxx) wrote: This experiment demonstrates that LOCK TABLES does not work for me. My question is”Why?” The better question to ask is why are you trying to lock tables? There’s usually a number of better ways to achieve something that can be solved using table locking. What’s the actual operation you’re doing, or is it a purely academic question? -Stuart