number = 30<br>if number % 2 == 0:<br>print（）

关于下面的Python语言代码，正确的说法是：____a=128if a<0: print（“A”）elif a<30: print（“B”）elif a<100: print（“C”）elif a<200: print（“D”）elif a<300: print（“E”）else: print（“F”）（） Examine the following command: CREATE TABLE (prod_id number(4), Prod_name varchar2 (20), Category_id number(30), Quantity_on_hand number (3) INVISIBLE); Which three statements are true about using an invisible column in the PRODUCTS table?（） Examine the following command: CREATE TABLE (prod_id number(4), Prod_name varchar2 (20), Category_id number(30), Quantity_on_hand number (3) INVISIBLE); Which three statements are true about using an invisible column in the PRODUCTS table?（） 下面代码的输出结果是()。 a=20 b=a|3 a&=7 print(b,end=”,”) print(a) 已知枚举类型定义语句为：enuTokenNAME，NUMBER，PLUS=5，MINUS，PRINT=10；则下列叙述中错误的是（） If the type of k is int, what is the number of iterations of the following while loop？k = 50while k > 1:print（k）k = k // 2（） Examine the structure of the EMPLOYEES, DEPARTMENTS, and TAX tables. EMPLOYEES NOT NULL, Primary EMPLOYEE_ID NUMBER Key VARCHAR2 EMP_NAME (30) VARCHAR2 JOB_ID (20) SALARY NUMBER References MGR_ID NUMBER EMPLOYEE_ID column DEPARTMENT_ID NUMBER Foreign key to DEPARTMENT_ID column of the DEPARTMENTS table DEPARTMENTS NOT NULL, DEPARTMENT_ID NUMBER Primary Key VARCHAR2 DEPARTMENT_NAME |30| References MGR_ID column MGR_ID NUMBER of the EMPLOYEES table TAX MIN_SALARY NUMBER MAX_SALARY NUMBER TAX_PERCENT NUMBER For which situation would you use a nonequijoin query?（） 30—I _________ his telephone number—I have his number, but I _________ to bring my phone book.” For a 30 minutes talk, what is the appropriate number of slides? 执行“print(0×20)”，则在屏幕上会输出()。 When executing “print （0x20）”, the output on the screen is ______（） Examine the structure of the EMPLOYEES, DEPARTMENTS, and LOCATIONS tables. EMPLOYEES NOT NULL, EMPLOYEE_ID NUMBER Primary Key VARCHAR2 EMP_NAME (30) VARCHAR2 JOB_ID (20) SALARY NUMBER References MGR_ID NUMBER EMPLOYEE_ID column DEPARTMENT_ID NUMBER Foreign key to DEPARTMENT_ID column of the DEPARTMENTS table DEPARTMENTS NOT NULL, Primary DEPARTMENT_ID NUMBER Key VARCHAR2 DEPARTMENT_NAME (30) References NGR_ID MGR_ID NUMBER column of the EMPLOYEES table Foreign key to LOCATION_ID NUMBER LOCATION_ID column of the LOCATIONS table LOCATIONS NOT NULL, Primary LOCATION_ID NUMBER Key VARCHAR2 CITY |30) Which two SQL statements produce the name, department name, and the city of all the employees who earn more then 10000?（） Only a small number of students able to pass the exam.—Yes．The number of the students no more than 20. Only a small number of students able to pass the exam.— Yes. The number of them no more than 20. 执行“print(0x20)”，则在屏幕上会输出()。 Examine the structures of the EMPLOYEES and TAX tables. EMPLOYEES EMPLOYEE_ID NUMBER NOT NULL, Primary Key EMP_NAME VARCHAR2 (30) JOB_ID VARCHAR2 (20) SALARY NUMBER References MGR_ID NUMBER EMPLOYEE_ID column DEPARTMENT_ID NUMBER Foreign key to DEPARTMENT _ID column of the DEPARTMENT table TAX MIN_SALARY NUMBER MAX_SALARY NUMBER TAX_PERCENT NUMBER Percentage tax for given salary range You need to find the percentage tax applicable for each employee. Which SQL statement would you use?（） 在窗体上画一个命令按钮，然后写出如下事件过程：　　Private Sub Command1 _ Click( )　　　　S=1　　　　Do　　　　　　S=(S + 1) ^(S + 2)　　　　　　Number=Number+1　　　　Loop Until S＞=6　　　　Print Number，S　　End Sub　　程序运行后，输出的结果是 在窗体上画一个命令按钮，然后写出如下事件过程：　　Private Sub Command1 _ Click( )　　　　S=1　　　　Do　　　　　　S=(S + 1) ^(S + 2)　　　　　　Number=Number+1　　　　Loop Until S＞=6　　　　Print Number，S　　End Sub　　程序运行后，输出的结果是()。 Examine the description of the EMPLOYEES table: EMP_ID NUMBER(4) NOT NULL LAST_NAME VARCHAR2(30) NOT NULL FIRST_NAME VARCHAR2(30) DEPT_ID NUMBER(2) Which statement produces the number of different departments that have employees with last name Smith? （） Examine the structure of the EMP_DEPT_VU view: Column Name Type Remarks EMPLOYEE_ID NUMBER From the EMPLOYEES table EMP_NAME VARCHAR2(30) From the EMPLOYEES table JOB_ID VARCHAR2(20) From the EMPLOYEES table SALARY NUMBER From the EMPLOYEES table DEPARTMENT_ID NUMBER From the DEPARTMENTS table DEPT_NAME VARCHAR2(30) From the DEPARTMENTS table Which SQL statement produces an error?（）