ClicktheExhibitbuttonandexaminethedataintheEMPLOYEESandDEPARTMENTStables.Youwanttoretrieveallemployees,whetherornottheyhavematchingdepartmentsinthedepartmentstable.Whichquerywouldyouuse?（）
A. SELECTlast_name,department_nameFROMemployeesNATURALJOINdepartments;
B. SELECTlast_name,department_nameFROMemployeesJOINdepartments;
C. SELECTlast_name,department_nameFROMemployeeseJOINdepartmentsdON(e.department_id=d.department_id);
D. SELECTlast_name,department_nameFROMemployeeseRIGHTOUTERJOINdepartmentsdON(e.department_id=d.department_id);
E. SELECTlast_name,department_nameFROMemployeesFULLJOINdepartmentsON(e.department_id=d.department_id);
F. SELECTlast_name,department_nameFROMemployeeseLEFTOUTERJOINdepartmentsdON(e.department_id=d.department_id);
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Given a valid DateFormat object named df，and 16.Date d = new Date（0L）； 17.String ds = "December 15， 2004"； 18.//insert code here What updates d’s value with the date represented by ds？（）
A. 18. d = df.parse（ds）；
B. 18. d = df.getDate（ds）；
C. 18. try {19. d = df.parse（ds）；20. } catch（ParseException e） { }；
D. 18. try {19. d = df.getDate（ds）；20. } catch（ParseException e） { }；
You have three production databases, HRDB, FINDB, and ORGDB, that use the same ASM instance. At the end of the day, you execute the following command on the ASM instance to shut down: SQL> shutdown immediate; What is the result of executing this command?（）
All the instances, including the ASM instance, are shut down in the ABORT mode
B. The ASM instance is shut down, but the other instances are still running
C. The ASM instance is still functional, but the other instances are shut down
D. All the instances, including the ASM instance, are shut down in the IMMEDIATE mode.
E. HRDB, FINDB, and ORGDB instances are shut down in the ABORT mode and the ASM instance is shut down in the IMMEDIATE mode
F. HRDB, FINDB, and ORGDB instances are shut down in the NORMAL mode and the ASM instance is shut down in the IMMEDIATE mode
What is the result？（）
A. 23
B. 234
C. 235
D. 2345
E. 2357
F. Compilationfails.
What is the result？（）
A. 2
B. 24
C. 234
D. 246
E. 2346
F. Compilation fails.
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