While executing a Cluster Test Plan， the administrators realize that they will need to email the Operations and network on-call staff in the event of a network outage. What can be done to alert the on-call staff of network failures？（） Customize clstat to send a mail message.。 Customize an Event Notification method.。 Customize an Error Notification method.。 Customize clinfo to send an SNMP trap.。
餐饮产品是有形产品和无形产品（食品、饮料等）和无形产品（（）、（）等）的有机结合体。
预防液化石油气中毒的主要措施是确保使用环境具有良好的（）设施。 密闭。 隔离。 通风。 检测。
在物流过程中，为了提供有关服务，开展各项业务活动，必然要占用和耗费一定的活劳动和物化劳动，这些活劳动和物化劳动的货币表现即为
Application A is designed to execute the following SQL statements within a single Unit of Work (UOW). UPDATE employee SET salary = salary * 1.1 WHERE empno='000010' UPDATE department SET deptname = 'NEW dept' WHERE deptno='A00'Application B is designed to execute the following SQL statements within a single Unit of Work (UOW). UPDATE department SET deptname = 'OLD DEPT' WHERE deptno='A00' UPDATE employee SET salary = salary * 0.5 WHERE empno='000010' Application A and application B execute their first SQL statement at the same time. When application A and application B try to execute their second SQL statement, a deadlock occurs. What will happen?（） The database manager will rollback the transaction in both applications.。 The database manager will rollback the transaction in one of the two applications.。 Application B will successfully update the EMPLOYEE and DEPARTMENT tables; Application A will be placed in a lock wait state.。 Application A will successfully update the EMPLOYEE and DEPARTMENT tables; Application B will terminate when the lock timeout value is reached.。
黄油枪是加注（）的工具。
