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Consider the relations given below Borrower (id_no, name) Book (accno., title, author, borrower_idno) (a) Define the above relations as tables in SQL forming real world assumptio
Sequential File Organisation The most necessary way to organise the collection of records in a file is to use sequential Organisation. Records of the file are stored in series
What is multiplicity in the associations? Give an example to explain multiplicity? Multiplicity in association indicate number of objects participate in any relationship. For
How to create a biological database based on viruses. How to decide which attribute should be there in the table and schema? How to identify the primary keys, foreign keys, domain,
What are partial, alternate,, artificial, compound and natural key? Partial Key: It is a set of attributes that can uniquely recognize weak entities and that are related to s
Design an EER schema for the following application and translate the EER schema into relational schemas (and constraints). It is possible that some requirements cannot be captured
What are the object-oriented approaches Software systems which are designed with structured design methodology never support some of desired quality attributes for example reus
While using extract datasets it is required to have a special workarea for interface False. It is not required to have a special workarea for interface
data models are being replaced over years. Reasons and why does that happen?
Explain how the associations are implemented as classes. A general approach in this case is to transform an association class into a simple class linked to two original classes
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