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Define Fifth Normal form is concerned with Ans : Fifth Normal form is concerned with Join dependency.
What is multiple relationship ?
East Coast Aquarium Relational Database
Describe integrity and security? a) Domain constraint b) Referential integrity A value that appears in one relation for a given set of attributes also appear fo
Design a database for an airline.The database must keep track of customers and their reservations,flights and their status, seat assignment on individual flights and, the schedule
what is natural join?
The database will enable college administrators the ability to track students initial major. This will help college officials decide how best to prepare students for their goals an
What is DAG? The class-subclass relationship is shown by a directed acyclic graph.eg: employees can be temporary or permanent. We might be create subclasses temporary \and perm
Before we talk about the relational model in more detail, let us first define some very basic terms used in this model. Tuple Every row in a table shows a record and is cal
Data Fragmentation "Fragmentation includes decomposing the data in relation to non-overlapping component relations". Why do we require fragmenting a relation?
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