Examine the structure of the EMPLOYEES table: Column name Data type Remarks EMPLOYEE_ID NUMBER NOT NULL, Primary Key LAST_NAME VARCNAR2(30) FIRST_NAME VARCNAR2(30) JOB_ID NUMBER SAL NUMBER MGR_ID NUMBER References EMPLOYEE_ID column DEPARTMENT_ID NUMBER You need to create an index called NAME_IDX on the first name and last name fields of the EMPLOYEES table. Which SQL statement would you use to perform this task? （） CREATE INDEX NAME _IDX (first_name, last_name);。 CREATE INDEX NAME _IDX (first_name, AND last_name)。 CREATE INDEX NAME_IDX ON (First_name, last_name);。 CREATE INDEX NAME_IDX ON employees (First_name, AND last_name);。 CREATE INDEX NAME_IDX ON employees (First_name, last_name);。 CREATE INDEX NAME_IDX FOR employees (First_name, last_name)。
男性，38岁，因左上腹受到严重的创伤后，脾破裂并出现失血性休克，在治疗过程中出现极度呼吸困难，口唇发绀，对该患者的诊断和病情判断有重要意义的检查是（） 血气分析。 呼吸功能监测。 血流动力学监测。 x线检查。 心电图检测。
An administrator is planning for a six node cluster but is concerned about the administration needed tomanage user accounts throughout the cluster. What PowerHA feature could the administrator use to reducethe administration overhead？（） LDAP Authentication Module。 Smart Assist for Active Directory。 C-SPOC for user and password management。 File Collections designating one node as the primary authentication node。
关于消费税，下列说法不正确的是（）。 化妆品批发商构成消费税纳税人。 薯类白酒属复合计征的货物。 金银首饰在零售环节征消费税。 啤酒包装物押金不征消费税。
Which two statements are true regarding an Automatic Storage Management （ASM） instance？（） As ASM instance mounts an ASM control file。 An ASM instance uses the ASMB process for rebalancing of disks within a disk group。 Automatic Memory Management is enabled in an ASM instance even when the MEMORY_TARGET parameter is not set explicitly。 An RDBMS instance gets connected to an ASM instance using ASMB as a foreground process when the database instance is started。
An xSeries specialist monitors a customer’s server that has poor performance. The customer is running an x365 with a ServeRAID 6i controller with write-back cache turned on and ten 15K rpm drives in a RAID-5 array. It is a mission-critical server and must have a redundant storage system. Performance tests indicate that the Average Disk sec/Transfer exceeds 20 ms. Which of the following is the lowest-cost method to increase the throughput？（）
