The EMPLOYEE tables has these columns

1、The EMPLOYEE tables has these columns

The EMPLOYEE tables has these columns:You want to display the name and annual salary multiplied by the commission_pct for all employees. For re...

2、The CUSTOMERS table has these columns

The CUSTOMERS table has these columns:CUSTOMER_ID NUMBER(4) NOT NULLCUSTOMER_NAME VARCHAR2(100) NOT NULLSTREET_ADDRESS VARCHAR2(150)CITY_ADDRESS VARCHAR...

3、The ORDERS table has these columns:

The ORDERS table has these columns:The ORDERS table tracks the Order number, the order total, and the customer to whom the Order belongs. Whic...

4、The EMP table has these columns: Man

The EMP table has these columns:Management wants a list of names of employees who have been with the company for more than five years. Which...

5、The EMPLOYEES table has these columns:

The EMPLOYEES table has these columns:LAST_NAME VARCHAR2(35) SALARYNUMBER(8,2) HIRE_DATE DATEManagement wants to add a default value to the SALARY...

6、The CUSTOMERS table has these columns

The CUSTOMERS table has these columns:Which statement finds the rows in the CUSTOMERS table that do not have a postal code?（）A SELECT custome...