Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 07 Jan 2018 My Price 2.00

battleships database

Write the following referential integrity constraints for the battleships database as in Exercise 7.1.4. Use your assumptions about keys from that exercise, and handle all violations by setting the referencing attribute value to NULL.

 a) Every class mentioned in Ships must be mentioned in C lasses.

b) Every battle mentioned in Outcomes must be mentioned in Battles.

c) Every ship mentioned in Outcomes must be mentioned in Ships.

 

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Maurice Tutor
(5)
Status NEW Posted 07 Jan 2018 11:01 PM My Price 2.00

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