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Partial Key : It is a group of attributes that can uniquely identify small entities and that are related to same base entity. It is sometime named as Discriminator. Altern
Data Redundancy -A lot of information is being repeated in the relation. For instance, the information that MCS-014 is named SSAD is repetitive, address of Rahul is "D- 27, Main ro
Explain Recursive relationship type? Recursive relationship type: A recursive relationship is one in that the similar entity participates more than once in the relationship
data models are being replaced over years. Reasons and why does that happen?
Which is an advantage of view? The Advantages of view is Data security, Derived columns and Hiding of complex queries
Why is database design important?
How external/conceptual mapping and conceptual /internal mapping is performed
Define physical image of a global relation at a site
what are the main characteristics of database
Funky Festivals Specification Funky Festivals organise music festivals which take place at various venues throughout the UK. A venue needs to be booked before a Festival can t
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