Select the IBM resource designed for small-to-medium business segments that helps identify System x server and storage for customers’ specific needs：（） ["IBM System Advisor Tool","IBM System x and BladeCenter Business Partner Guidebook","Standalone Solutions Configuration Tool （SSCT）","Configuration & Options Guide （COG）"]
You want to move all the objects of the APPS user in the test database to the DB_USER schema of the production database. Which option of IMPDP would you use to accomplish this task？（） ["FULL","SCHEMAS","REMAP_SCHEMA","REMAP_DATAFILES","REMAP_TABLESPACE"]
往复式空压机产生燃烧或爆炸事故是由于（）发生的。 ["易燃气体进入气缸","易爆气体进入气缸","在高温作用下","润滑油形成的积碳"]
贮罐定期排污下面（）的操作是正确的。 ["先打开第二道阀门，再打开第一道阀门；","排污管两道阀门交替开关；","排污时一人排污，一人监护；","排污时，现场只能有一人"]
The EMPLOYEE tables has these columns: LAST_NAME VARCHAR2(35) SALARY NUMBER(8,2) COMMISSION_PCT NUMBER(5,2) You want to display the name and annual salary multiplied by the commission_pct for all employees. For records that have a NULL commission_pct, a zero must be displayed against the calculated column. Which SQL statement displays the desired results? （） [" SELECT last_name, (salary * 12) * commission_pct FROM EMPLOYEES;"," SELECT last_name, (salary * 12) * IFNULL(commission_pct, 0) FROM EMPLOYEES;"," SELECT last_name, (salary * 12) * NVL2(commission_pct, 0) FROM EMPLOYEES;"," SELECT last_name, (salary * 12) * NVL(commission_pct, 0) FROM EMPLOYEES"]
园林树木修剪的时期
