4. List all customers (last name, first name and zip code) whose zip code is missing (unknown). 5. List the name and phone number of the customer with area code of '678'. 6. We'd like to markdown by 10% the price of the product whose price is greater than or equal to 300. List the ID, category, price, and mark-downed price. Rename the mark- downed price as 'SalePrice'.

4. List all customers (last name, first name and zip code) whose zip code is missing (unknown). 5. List the name and phone number of the customer with area code of '678'. 6. We'd like to markdown by 10% the price of the product whose price is greater than or equal to 300. List the ID, category, price, and mark-downed price. Rename the mark- downed price as 'SalePrice'.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Below are some rows of the PROVIDERS table for a factory: PCODE 10192 98411 0489035 NAME Hans, Inc. Tools and More Motors Inc. PHONE 231 - 3092 231-1029 993 - 1821 All providers from the factory zone of the city start with 231. You want to get the providers that are in the factory zone of the city. Which of the following is more appropriate? O a. O b. SELECT * FROM PROVIDERS WHERE PHONE LIKE '% 231' O C. O d. SELECT * FROM PROVIDERS WHERE PHONE LIKE $231%' SELECT * FROM PROVIDERS WHERE PHONE LIKE 231 SELECT * FROM PROVIDERS WHERE PHONE LIKE '%231%'
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