Modern Database Management
13th Edition
ISBN: 9780134792293
Author: Hoffer
Publisher: PEARSON
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Textbook Question
Chapter 12, Problem 12.3RQ
Contrast the following terms:
- chief data officer; DBA
- data administration:
database administration - open source DBMS; commercial DBMS
- ETL; MDM
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Explain the challenges and strategies for migrating databases between different DBMS platforms.
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DataBase
The following tables form part of a database held in a relational DBMS:-
Hotel (hotelNo, hotelName, city)
Room (roomNo, hotelNo, type, price)
Booking (hotelNo, guestNo, dateFrom, dateTo, roomNo)
Guest (guestNo, guestName, guestAddress)
where Hotel contains hotel details and hotelNo is the primary key;
Room contains room details for each hotel and (roomNo, hotelNo) forms the primary key;
Booking contains details of the bookings and (hotelNo, guestNo, dateFrom) forms the primary key;
and Guest contains guest details and guestNo is the primary key.
Generate the relational algebra, expressions for the following queries:
(a )List all hotel names.
(b) List all single rooms with a price below £20 per night.
(c) List the names and cities of all guests.
(d) List the price and type of all rooms at the Grosvenor…
Chapter 12 Solutions
Modern Database Management
Ch. 12 - Prob. 12.1RQCh. 12 - Prob. 12.2RQCh. 12 - Contrast the following terms: chief data officer;...Ch. 12 - Indicate whether data administration or database...Ch. 12 - Prob. 12.5RQCh. 12 - Prob. 12.6RQCh. 12 - Prob. 12.7RQCh. 12 - Prob. 12.8RQCh. 12 - Prob. 12.9RQCh. 12 - Prob. 12.10RQ
Ch. 12 - What are the key activities that are often the...Ch. 12 - What are the key components of a data governance...Ch. 12 - Prob. 12.13RQCh. 12 - Prob. 12.14RQCh. 12 - Prob. 12.15RQCh. 12 - Prob. 12.16RQCh. 12 - Prob. 12.17RQCh. 12 - Prob. 12.18RQCh. 12 - Prob. 12.19RQCh. 12 - Prob. 12.20RQCh. 12 - Prob. 12.21RQCh. 12 - Prob. 12.22RQCh. 12 - Prob. 12.23RQCh. 12 - Prob. 12.24PAECh. 12 - Prob. 12.25PAECh. 12 - Prob. 12.27PAECh. 12 - Prob. 12.28PAECh. 12 - Prob. 12.29PAECh. 12 - Prob. 12.30PAECh. 12 - Prob. 12.31PAECh. 12 - Prob. 12.32PAECh. 12 - Prob. 12.33PAECh. 12 - Prob. 12.34PAECh. 12 - Prob. 12.35PAECh. 12 - Prob. 12.36PAECh. 12 - Prob. 12.37PAECh. 12 - Prob. 12.38PAECh. 12 - Visit the Web sites of one or more popular cloud...Ch. 12 - Prob. 12.40PAE
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