2 votes 2 votes Which of the following is not true? Generalization is the result of taking the union of two or more disjoint entity sets to produce a higher level entity set. Specialization is an abstraction in which relationship sets are treated as higher-level entity sets. Canonical covers are used to decompose a relation into $\text{3NF,}$ which is a small relaxation of the $\text{BCNF}$ condition. The concurrency control management component of the database is responsible for handling the concurrency control policies. Databases databases canonical-cover database-normalization virtual-gate-test-series + – learncp asked Jan 26, 2016 • edited Apr 14, 2019 by Lakshman Bhaiya learncp 530 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
0 votes 0 votes B is not true. It is a definition of aggregation Aggregation is an abstraction in which relationship sets are treated as a higher level entity. Specilaization is the result of taking a subset of a higher level entity sets a lower level entity sets. rishu_darkshadow answered Sep 18, 2017 rishu_darkshadow comment Share Follow See all 0 reply Please log in or register to add a comment.