Computers and Technology, 25.01.2021 23:40 maleyjustinr
Consider an entity set Person, with attributes social security number (ssn), name, nickname, address, and date of birth(dob). Assume that the following business rules hold: (1) no two persons have the same ssn; (2) no two persons have he same combination of name, address and dob. Further, assume that all persons have an ssn, a name and a dob, but that some persons might not have a nickname nor an address.
A) List all candidate keys and all their corresponding superkeys for this relation.
B) Write an appropriate create table statement that defines this entity set.
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Computers and Technology, 23.06.2019 01:50
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Computers and Technology, 23.06.2019 09:00
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Computers and Technology, 23.06.2019 14:30
The option enables you to modify a slide element in most presentation applications.
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Consider an entity set Person, with attributes social security number (ssn), name, nickname, address...
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