connect con1,localhost,root,,; SELECT date(now()) = date(sysdate()); date(now()) = date(sysdate()) 1 SET @@session.timestamp = 1100000000; SELECT date(now()) != date(sysdate()); date(now()) != date(sysdate()) 1 connect con0,localhost,root,,; SELECT @@session.timestamp != 1100000000; @@session.timestamp != 1100000000 1 SET @@session.timestamp = 1000000000; SELECT date(now()) != date(sysdate()); date(now()) != date(sysdate()) 1 connection con1; SELECT @@session.timestamp != 1000000000; @@session.timestamp != 1000000000 1 SELECT @@session.timestamp = 1100000000; @@session.timestamp = 1100000000 1 connection default; disconnect con0; disconnect con1;