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Classes (class, type, country, numGuns, bore, displacement) Ships (name, class, launched) Battles (name, date) Outcomes (ship, battle, result)   For the battleships database schema above (record examples attached), write the following as tuple-based CHECK constraints (ie. during the table creation): a) No ship can be in battle before it is launched.

Classes (class, type, country, numGuns, bore, displacement) Ships (name, class, launched) Battles (name, date) Outcomes (ship, battle, result)   For the battleships database schema above (record examples attached), write the following as tuple-based CHECK constraints (ie. during the table creation): a) No ship can be in battle before it is launched.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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Classes (class, type, country, numGuns, bore, displacement)
Ships (name, class, launched)
Battles (name, date)
Outcomes (ship, battle, result)

 

For the battleships database schema above (record examples attached), write the following as tuple-based CHECK constraints (ie. during the table creation):

a) No ship can be in battle before it is launched.

пате class launched California Tennessee 1921 Kongo Kongo Iowa Haruna 1915 Нiei 1914 Iowa 1943 1915 Kongo Kongo Kirishima Kongo 1913 Missouri Iowa 1944 Musashi Yamato 1942 1943 New Jersey North Carolina Ramillies Iowa North Carolina 1941 Revenge 1917 Renown Renown 1916 Renown 1916 Repulse Resolution 1916 Revenge Revenge Revenge 1916 Revenge Royal Oak Royal Sovereign Revenge 1916 1916 Tennessee Tennessee 1920 North Carolina | 1941 Washington Wisconsin Iowa 1944 Yamato Yamato 1941 Figure 2.23: Sample data for relation Ships
Transcribed Image Text:пате class launched California Tennessee 1921 Kongo Kongo Iowa Haruna 1915 Нiei 1914 Iowa 1943 1915 Kongo Kongo Kirishima Kongo 1913 Missouri Iowa 1944 Musashi Yamato 1942 1943 New Jersey North Carolina Ramillies Iowa North Carolina 1941 Revenge 1917 Renown Renown 1916 Renown 1916 Repulse Resolution 1916 Revenge Revenge Revenge 1916 Revenge Royal Oak Royal Sovereign Revenge 1916 1916 Tennessee Tennessee 1920 North Carolina | 1941 Washington Wisconsin Iowa 1944 Yamato Yamato 1941 Figure 2.23: Sample data for relation Ships
class type | country Germany numGuns | bore | displacement Bismarck bb 8. 15 42000 Iowa bb USA 16 46000 Kongo North Carolina bb bc Jаpan USA 8 14 32000 9 16 37000 Renown bc Gt. Britain 6 15 32000 Revenge Tennessee Gt. Britain 8 bb 15 29000 bb USA 12 14 32000 Yamato bb Jаpan 18 65000 (a) Sample data for relation Classes | date Denmark Strait 5/24-27/41 пате Guadalcanal 11/15/42 North Cape 12/26/43 Surigao Strait 10/25/44 (b) Sample data for relation Battles ship battle result Arizona Pearl Harbor sunk Denmark Strait sunk Surigao Strait | ok North Cape Surigao Strait sunk Denmark Strait sunk Bismarck California Duke of York ok Fuso Ноod King George V Kirishima Denmark Strait ok Guadalcanal sunk Prince of Wales Denmark Strait damaged Rodney Scharnhorst Denmark Strait ok North Cape sunk South Dakota Guadalcanal damaged Tennessee Surigao Strait Guadalcanal ok Washington West Virginia Yamashiro ok Surigao Strait ok Surigao Strait sunk (c) Sample data for relation Outcomes
Transcribed Image Text:class type | country Germany numGuns | bore | displacement Bismarck bb 8. 15 42000 Iowa bb USA 16 46000 Kongo North Carolina bb bc Jаpan USA 8 14 32000 9 16 37000 Renown bc Gt. Britain 6 15 32000 Revenge Tennessee Gt. Britain 8 bb 15 29000 bb USA 12 14 32000 Yamato bb Jаpan 18 65000 (a) Sample data for relation Classes | date Denmark Strait 5/24-27/41 пате Guadalcanal 11/15/42 North Cape 12/26/43 Surigao Strait 10/25/44 (b) Sample data for relation Battles ship battle result Arizona Pearl Harbor sunk Denmark Strait sunk Surigao Strait | ok North Cape Surigao Strait sunk Denmark Strait sunk Bismarck California Duke of York ok Fuso Ноod King George V Kirishima Denmark Strait ok Guadalcanal sunk Prince of Wales Denmark Strait damaged Rodney Scharnhorst Denmark Strait ok North Cape sunk South Dakota Guadalcanal damaged Tennessee Surigao Strait Guadalcanal ok Washington West Virginia Yamashiro ok Surigao Strait ok Surigao Strait sunk (c) Sample data for relation Outcomes
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