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DISADVANTAGES OF RDBMS
Explain in details about Data Sharing
Define physical image of a global relation at a site
Create Student DB and execute Insert query? STUDENT (name, student#, class, major) COURSE (course name, course#, credit hours, department) SECTION (section identifier, course
Explain Alternate key? Alternate Key - All the candidate keys except primary key are known as alternate keys.
ERD Diagram of Medical Recruitment Agency?
What is known as clustering file organization? In the clustering file organization, records of several dissimilar relations are stored in the similar file.
Two-way Associations Mostly, associations are travel in both directions, although not usually with same frequency. There are three approaches for the implementation. In
One-to-one relationship: For every 1:1 relationship type R in the ER diagram including two entities E1 and E2 we take one of entities (say E1) preferably with total participatio
Explain Superkey Ans: A superkey is described in the relational model of database organization like a set of attributes of a relation variable for which it holds that in all re
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