Consider a relation with five attributes ABCDEG. You are given the following dependencies. AB→C,AC→B,AD→E,B→D,BC→A,E→G. If relation is decomposed into AB,BC,ABDE,EG,then find the characteristics of this decomposition.
A
Not lossless, preserve FDs.
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
Lossless, preserve FDs.
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
Not lossless, not preserve FDs.
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
Lossless, not preserve FDs.
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is C Not lossless, not preserve FDs. The decomposition is lossy and preserve the dependencies AB→C,AC→B and BC→A