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In a Hierarchical model of data records are organized ? In the hierarchical model of data records are organized as Tree structure.
Physical Database Design Issues The database design includes the process of logical design with the use of E-R diagram, normalisation, etc., followed by the physical design.
explain equi-join using illustration
Define weak and strong entity sets? Weak entity set: entity set that do not have key attribute of their own are known as weak entity sets. Strong entity set: Entity set that
explain cascading rollback
anyone have a textbook solutions case fair, 8 edition of vol 1 ?, please give me
Represent the following scenarios with E-R diagrams drawn using the ER Assistant software. The diagrams should indicate cardinality and optionality of relationships. Transform each
sql is relationally complete-justify
compare the features of oracle RDBMS with MySQL and Microsoft SQL server
What is meant by normalization of data? It is a process of examining the given relation schemas based on their Functional Dependencies (FDs) and primary key to achieve the prop
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