Cause:The NOWAIT keyword forced a return to the command prompt because a resource was unavailable for a LOCK table or select FOR UPDATE command.
Cause:The NOWAIT keyword forced a return to the command prompt because a resource was unavailable for a LOCK table or select FOR UPDATE command.
原因:对表进行相关操作时，该表被锁定，或表正在被其他程序占用，导致系统忙。