Your company uses a SQL Server 2005 database. Customer data from your trading partners is imported into the Customers table every night. You need to ensure that the customer record is updated if it already exists in the Customers table. If the record does not exist, the data needs to be inserted into the Customers table. What should you do?（） Create a FOR trigger. 。 Create an INSTEAD OF trigger. 。 Create an AFTER trigger. 。 Create a DDL trigger.。
在北京京能新能源有限公司运行的所有风电场中，只有苏司兰1250kW风机配置了液力耦合器，那么液力耦合器自身的主要保护是（） 液压油加注量。 超速保护。 超温保护。 扭矩保护。
简述万能寿险的死亡给付方式。
You execute the following command to create two consumer groups， FIN_GROUP1 and PAY_GROUP1， for a plan，PROD_PLAN： BEGIN DBMS_RESOURCE_MANAGER.CREATE_SIMPLE_PLAN （SIMPLE_PLAN => ’prod_plan’， CONSUMER_GROUP1 => ’fin_group1’， GROUP1_CPU => 80， CONSUMER_GROUP2 => ’pay_group1’， GROUP2_CPU => 20）; END; Which three statements are true？（） SYS_GROUP gets 100% CPU resources at level 1.。 FIN_GROUP1 gets 80% CPU resources at level 1.。 FIN_GROUP1 gets 80% CPU resources at level 2.。 PAY_GROUP1 gets 20% CPU resources at level 1.。 PAY_GROUP1 gets 20% CPU resources at level 2.。 OTHER_GROUP gets 100% CPU resources at level 1.。 OTHER_GROUP gets 100% CPU resources at level 2.。
个人本位论盛行于（） 19世纪下半叶。 20世纪初期。 20世纪中期。 18—19世纪上半叶。
The printer associated with the hp5_queue is down for maintenance. Which of the following commands will move the remaining print jobs from hp5_queue to the hp7_queue?（）
