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Define single valued and multivalued attributes.
Single valued attributes: attributes with a single value for a particular entity are known as single valued attributes.
Multivalued attributes: Attributes with a set of value for a certain entity are known as multivalued attributes.
Differentiate between logical database design and physical database design. Show how this separation leads to data independence? Basis Logical Databas
Find a 3NF decomposition of the following relation scheme: University (Faculty, Dean, Department, Chair, Professor, Rank, Student}. The University relation satisfies the following
What is a view in SQL? When can views be updated? A view is a virtual table which consists of columns from one or more tables. Through it is same to a table; it is stored in
Write short notes on extension and intension? In any data model, it is significant to distinguish among the description of the database and the database itself the description
Which component is not included in database environment ? A users component is not included in database environment.
i need help with creating database system for a library
Automated system for appointment with sms and call confirmation with service providers and user has to be initiate automatically. After selecting time and date to use service, s
State The position of object at any moment is called state. An object can have many states depend upon time. After receiving some input instructions, the object can change its
1. Determine that the Checkpoints are a part of Ans: Checkpoints are a part of Recovery measures
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