Computers and Technology, 12.03.2020 03:47 whitakers87
Consider a relation representing the present position of molecules in a closed container. The attributes are the ID for the molecule, the X, Y, and Z coordinates of the molecule, and its velocity in the X, Y, and Z dimensions. Refer to the X, Y, and Z coordinates as PX, PY, and PZ respectively, and the X, Y, and Z velocities as VX, VY, and VZ respectively.
a) What functional dependencies do you expect to hold?
b) What are the keys?
c) Other than the keys list three superkeys.
d) Other than the keys how superkeys are there?
Answers: 3
Computers and Technology, 24.06.2019 06:30, toolazytobehuman
Me and category do i put them in because this is science
Answers: 1
Consider a relation representing the present position of molecules in a closed container. The attrib...
Mathematics, 17.04.2020 23:22
Mathematics, 17.04.2020 23:22