Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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AIRPORT KLX TABLE
Date
AirlinelD
AirlineName
TerminalID
NumberOfGates
NumberOfDepartingFlights
11-Dec
UA
United
A
20
34
11-Dec
NW
Northwest
A
20
17
11-Dec
AA
American
A
20
11
11-Dec
DL
Delta
B
15
20
11-Dec
JB
Jet Blue
B
15
12-Dec
UA
United
A
20
29
12-Dec
DL
Delta
B
15
20
12-Dec
SWA
Southwest
15
17
• The AIRPORT KLX Taexulle captures the data about daily departing flights at the KLX Airport.
• Each airline operating at KLX airport has a unique Airline ID and an Airline Name.
• Each terminal at KLX airport has a unique Terminal ID and a fixed Number of Gates.
• Each airline is permanently assigned to one (and only one) terminal at the KLX Airport.
• Each terminal at KLX Airport can have multiple airlines assigned to it.
• Each day (Date), this taexulle records the Number of Departing Flights at KLX Airport for each airline.
E4.5a Using the AIRPORT KLX Table, describe an example that illustrates the insertion anomaly.
E4.5b Using the Airport KLX Table, describe an example that illustrates the deletion anomaly.
E4.5c Using the Airport KLX Table, describe an example that illustrates the modification anomaly.
E4.5d Depict full key functional dependencies, partial functional dependencies (if any), and transitive functional dependencies (if any) in
the Airport KLX Table.
E4.5e Show the result of normalizing the Airport KLX Table to 2NF.
E4.5f Show the result of normalizing the Airport KLX Table to 3NF.
E4.5g Using the set of tables resulting from E4.5f, describe how the anomalies shown in E4.5a, E4.5b, and E4.5c are eliminated.
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Transcribed Image Text:AIRPORT KLX TABLE Date AirlinelD AirlineName TerminalID NumberOfGates NumberOfDepartingFlights 11-Dec UA United A 20 34 11-Dec NW Northwest A 20 17 11-Dec AA American A 20 11 11-Dec DL Delta B 15 20 11-Dec JB Jet Blue B 15 12-Dec UA United A 20 29 12-Dec DL Delta B 15 20 12-Dec SWA Southwest 15 17 • The AIRPORT KLX Taexulle captures the data about daily departing flights at the KLX Airport. • Each airline operating at KLX airport has a unique Airline ID and an Airline Name. • Each terminal at KLX airport has a unique Terminal ID and a fixed Number of Gates. • Each airline is permanently assigned to one (and only one) terminal at the KLX Airport. • Each terminal at KLX Airport can have multiple airlines assigned to it. • Each day (Date), this taexulle records the Number of Departing Flights at KLX Airport for each airline. E4.5a Using the AIRPORT KLX Table, describe an example that illustrates the insertion anomaly. E4.5b Using the Airport KLX Table, describe an example that illustrates the deletion anomaly. E4.5c Using the Airport KLX Table, describe an example that illustrates the modification anomaly. E4.5d Depict full key functional dependencies, partial functional dependencies (if any), and transitive functional dependencies (if any) in the Airport KLX Table. E4.5e Show the result of normalizing the Airport KLX Table to 2NF. E4.5f Show the result of normalizing the Airport KLX Table to 3NF. E4.5g Using the set of tables resulting from E4.5f, describe how the anomalies shown in E4.5a, E4.5b, and E4.5c are eliminated.
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