The CUSTOMERS table has these columns: The CUSTOMER_ID column is the primary key for the table.Which two statements find the number of customers? （）
1、The EMPLOYEE tables has these columns
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 salar...
2、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...
3、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...
4、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...
5、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...
6、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...