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Recent questions tagged weak-entity
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Dbms #weak-entity
Which of the following statements are true for weak entity sets: 1. A weak entity set cannot have a primary key. 2. A weak entity set must have a local attribute in primary key. 3. A weak entity must borrow an attribute from another entity sey to form a primary key. a) 1 and 2 b) 2 and 3 c) 3 only d) none of these
Which of the following statements are true for weak entity sets:1. A weak entity set cannot have a primary key.2. A weak entity set must have a local attribute in primary...
parulk
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parulk
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Nov 23, 2017
Databases
weak-entity
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2
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UGC NET CSE | Junet 2015 | Part 2 | Question: 20
For a weak entity set to be meaningful, it must be associated with another entity set in combination with some of their attribute values, is called as: Neighbour Set Strong Entity Set Owner Entity Set Weak Set
For a weak entity set to be meaningful, it must be associated with another entity set in combination with some of their attribute values, is called as:Neighbour SetStrong...
go_editor
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go_editor
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Jul 30, 2016
Databases
ugcnetcse-june2015-paper2
databases
weak-entity
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