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You need to produce a report for mailing labels for all customers. The mailing label must have only the customer name and address. The CUSTOMERS table has these columns:
CUST_IDNUMBER(4)NOT NULL
CUST_NAMEVARCHAR2(100)NOT NULL
CUST_ADDRESSVARCHAR2(150)
CUST_PHONEVARCHAR2(20)
Which SELECT statement accomplishes this task?
A. SELECT * FROM customers
B. SELECT name, address FROM customers;
C. SELECT id, name, address, phone FROM customers;
D. SELECT cust_name, cust_address FROM customers;
E. SELECT cust_id, cust_name, cust_address, cust_phone FROM customers;
Correct Answer: D
Explanation/Reference:
Explanation:
This answer provides correct list of columns for the output.
Incorrect Answers
A:This answer does not provide correct list of columns for the output. It is not required to show all columns of the table. Symbol “*” is used in the SELECT command to substitute a list of all columns of the table.
B:This answer does not provide correct list of columns for the output. There are not NAME and ADDRESS columns in the CUSTOMERS table.
C:This answer does not provide correct list of columns for the output. There are not ID, NAME, ADDRESS or PHONE columns in the CUSTOMERS table.
E:This answer does not provide correct list of columns for the output. It is not required to show all columns of the table.
OCP Introduction to Oracle 9i: SQL Exam Guide, Jason Couchman, p. 20-24
Chapter 1: Overview of Oracle Databases
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