Given： What is the result？（）
A. test
C. An exception is thrown at runtime.
D. Compilation fails because of an error in line 1.
E. Compilation fails because of an error in line 4.
F. Compilation fails because of an error in line 5.
Given： What is the result?（）
A. 0.0
B. Compilation fails.
C. A ParseException is thrown by the parse method at runtime.
D. A NumberFormatException is thrown by the parse method at runtime.
ClicktheExhibitbuttontoexaminethedataoftheEMPLOYEEStable. WhichstatementliststheID,name,andsalaryoftheemployee,andtheIDandnameoftheemployee'smanager,foralltheemployeeswhohaveamanagerandearnmorethan4000?（）
A. SELECTemployee_id"Emp_id",emp_name"Employee",salary,employee_id"Mgr_id",emp_name"Manager"FROMemployeesWHEREsalary>4000;
B. SELECTe.employee_id"Emp_id",e.emp_name"Employee",e.salary,m.employee_id"Mgr_id",m.emp_name"Manager"FROMemployeeseJOINemployeesmWHEREe.mgr_id=m.mgr_idANDe.salary>4000;
C. SELECTe.employee_id"Emp_id",e.emp_name"Employee",e.salary,m.employee_id"Mgr_id",m.emp_name"Manager"FROMemployeeseJOINemployeesmON(e.mgr_id=m.employee_id)ANDe.salary>4000;
D. SELECTe.employee_id"Emp_id",e.emp_name"Employee",e.salary,m.mgr_id"Mgr_id",m.emp_name"Manager"FROMemployeeseSELFJOINemployeesmWHEREe.mgr_id=m.employee_idANDe.salary>4000;
E. SELECTe.employee_id"Emp_id",e.emp_name"Employee",e.salary,m.mgr_id"Mgr_id"m.emp_name"Manager"FROMemployeeseJOINemployeesmUSING(e.employee_id=m.employee_id)ANDe.salary>4000;
微信支付 
支付宝支付