Database Systems: Design, Implementation, & Management
13th Edition
ISBN: 9781337627900
Author: Carlos Coronel, Steven Morris
Publisher: Cengage Learning
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Question
Chapter 7, Problem 1RQ
Program Plan Intro
“DATE” data type:
This data type is used to store date and sometimes, time values. Usually DBMS stores the value of date in the numeric format according to the Julian calendar. The format to store date is “YYYY-MM-DD”.
Syntax:
CREATE TABLE table_Name(column_Name DATE);
Expert Solution & Answer
Explanation of Solution
Using “DATE” data type than character data type:
It is preferable to use “DATE” data type than character data type because,
Database Management System (DBMS) does not distinguish numeric values if character data type is given.- It is not possible to add and subtract the date arithmetic if character data type is given.
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Chapter 7 Solutions
Database Systems: Design, Implementation, & Management
Ch. 7 - Prob. 1RQCh. 7 - Explain why the following command would create an...Ch. 7 - What is a cross join? Give an example of its...Ch. 7 - What three join types are included in the outer...Ch. 7 - Using tables named T1 and T2, write a query...Ch. 7 - Prob. 6RQCh. 7 - Rewrite the following WHERE clause without the use...Ch. 7 - Explain the difference between an ORDER BY clause...Ch. 7 - Explain why the following two commands produce...Ch. 7 - What is the difference between the COUNT aggregate...
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