Cause problems with update anomalies that can be classified into
Anonymous Quiz
1%
Insertion anomalies
1%
Deletion anomalies
8%
Modification anomalies
90%
All of them
Database Normalization is a database schema design technique, by which an existing schema is modified to maximize redundancy and dependency of data.
Anonymous Quiz
20%
T
80%
F
Normalization split a large table into smaller tables and define relationships between them
Anonymous Quiz
98%
T
2%
F
Normalization .......... clarity in organizing data in Databases
Anonymous Quiz
93%
increases
7%
decreases
A functional dependency, denoted by X → Y, between two sets of attributes X and Y that are subsets of R
Anonymous Quiz
97%
T
3%
F
This means that the values of the... component of a tuple in r depend on, or are determined by, the values of the .... component.
Anonymous Quiz
62%
X-Y
38%
Y-X
Database Normalization can be considered a process of analyzing the given relation schemas to achieve the desirable properties of:
Anonymous Quiz
3%
Maximizing redundancy -Maximizing the insertion
27%
Minimizing redundancy, Maximizing the insertion
68%
Minimizing redundancy, Minimizing the insertion
2%
Maximizing redundancy, Minimizing the insertion
Normal form of a relation refers to the highest normal form condition that it meets
Anonymous Quiz
92%
T
8%
F
داتا بيز: اسئلة على سلايدز المحاضرة 7, 8, 9, 10 متجاوبة