Computers and Technology
Computers and Technology, 15.07.2021 17:40, lil2524

Cho quan hệ R trên tập thuộc tính U = (ABCDEGHIJ) và tập phụ thuộc hàm F = { A -> BC, E -> GC, B -> EH, AC -> I, GD -> AH, D->JG} a, tìm bao đóng của tập thuộc tính {AD}
b, tìm tất cả khóa tối thiểu của R
c, tìm tập phụ thuộc hàm tối thiểu F* của F
d, chuẩn hóa quan hệ về 3NF

answer
Answers: 2

Other questions on the subject: Computers and Technology

image
Computers and Technology, 24.06.2019 10:00, zlittleton2008
Which feature of a blog to restore and retrieve older post
Answers: 3
image
Computers and Technology, 24.06.2019 21:30, sandy2597
What need most led to the creation of the advanced research projects agency network? darpa wanted scientists to be able to collaborate and share research easily. darpa wanted american and russian politicians to be able to communicate. darpa wanted astronauts to be able to contact nasa and the white house. darpa wanted factory owners to be able to coordinate supply chains.
Answers: 1
image
Computers and Technology, 25.06.2019 00:10, dnicole43
Select the correct answer sarah wants to use a device to input signatures on electronic documents. which input device will be most suitable for her? a digital pen b. laser pen c keyboard d. touchscreen reset next
Answers: 2
image
Computers and Technology, 25.06.2019 04:00, edjiejwi
Plz there is a problem with my account. i no longer have ! ( hand, ambitious, virtuoso etc.) it's like getting brainliest means nothing. how do i get ranks back?
Answers: 1
Do you know the correct answer?
Cho quan hệ R trên tập thuộc tính U = (ABCDEGHIJ) và tập phụ thuộc hàm F = { A -> BC, E -> GC,...

Questions in other subjects: