database relational model, Database Management System

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what do you mean by primary key constraint?

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What are the Overlapping elements Overlapping elements can be found by scanning all the elements in front of deleted element in priority list for the sheet and comparing them

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For the relations answer the following queries in SQL Street (name, location, city) House (number, street_name) Lives (name, house_number) (i) Obtain the names of persons who liv

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Which method of access uses key transformation? A Hash method of access uses key transformation.

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What is a block and a block number? A block is a contiguous sequence of sectors from a single track of one platter. Every request specifies the address on the disk to be refere

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Lock, intent locking

intent locking

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