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What is Gathering information and Producing ERD Gathering information: This could be a written document that explains the system in question with reasonable quantity of detai
Benefits of Sequential File Organisation It is quick and efficient when dealing with huge volumes of data that require being processed periodically (batch system). Dra
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object oriented database
Define physical image of a global relation at a site
In case of entity integrity, the primary key may be declared? In a case of entity integrity primary key may be not Null.
Consider the relations described below: PHYSICIAN (regno, name, telno, city) PATIENT (pname, street, city) VISIT (pname, regno, date_of_visit, fee) Where the regno and pname ide
Example: Consider the following relations: ROLLNO NAME ADDRESS COURSE_ID 100 Ka
what is Storage-Device Hierarchy question
Define Query Processing Query processing is the process of selecting the best plan or strategy to be employed in responding to a database request. The plan is then executed to
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