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@stepbystep001

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Cause problems with update anomalies that can be classified into
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Insertion anomalies
1%
Deletion anomalies
8%
Modification anomalies
90%
All of them
Normalization is the process of organizing data in a database
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Database Normalization is a database schema design technique, by which an existing schema is modified to maximize redundancy and dependency of data.
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Normalization split a large table into smaller tables and define relationships between them
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Normalization .......... clarity in organizing data in Databases
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increases
7%
decreases
A functional dependency, denoted by X → Y, between two sets of attributes X and Y that are subsets of R
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This means that the values of the... component of a tuple in r depend on, or are determined by, the values of the .... component.
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X-Y
38%
Y-X
Database Normalization can be considered a process of analyzing the given relation schemas to achieve the desirable properties of:
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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
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8%
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The database normalization process is divided into 6 types
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داتا بيز: اسئلة على سلايدز المحاضرة 7, 8, 9, 10 متجاوبة
داتا بيز: اسئلة على سلايدز المحاضرة 7, 8, 9, 10 مش متجاوبة