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Recent questions tagged relational-model

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4
Databases
How to identify many to many relationship. Can R2 be one to one.
How to identify many to many relationship.Can R2 be one to one.
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2 answers
6
Made easy Test Series 2022
I am getting ans 6 and given ans is 8
I am getting ans 6 and given ans is 8
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1 votes
1 answer
8
UGC NET CSE | October 2020 | Part 2 | Question: 67
Match $\text{List I}$ with $\text{List II}$ Choose the correct answer from the options given below: $A-II, B-IV, C-III, D-I$ $A-IV, B-I, C-II, D-III$ $A-II, B-I, C-IV, D-III$ $A-III, B-IV, C-I, D-II$
Match $\text{List I}$ with $\text{List II}$Choose the correct answer from the options given below:$A-II, B-IV, C-III, D-I$$A-IV, B-I, C-II, D-III$$A-II, B-I, C-IV, D-III$...
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10
NIELIT 2017 OCT Scientific Assistant A (CS) - Section B: 14
E-R model uses this symbol to represent weak entity set? Dotted rectangle Diamond Doubly outlined rectangle None of these
E-R model uses this symbol to represent weak entity set?Dotted rectangleDiamondDoubly outlined rectangleNone of these
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1 votes
3 answers
11
NIELIT 2017 OCT Scientific Assistant A (CS) - Section B: 21
What is the modality of relationship, if there is no explicit need for relationship to occur? Zero Two Three One
What is the modality of relationship, if there is no explicit need for relationship to occur?ZeroTwoThreeOne
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1 votes
2 answers
12
NIELIT 2016 MAR Scientist B - Section C: 40
In a relational Schema, each tuple is divided into fields called relations domains queries none of these
In a relational Schema, each tuple is divided into fields calledrelationsdomainsqueriesnone of these
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2 votes
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13
NIELIT 2016 MAR Scientist B - Section C: 41
The employee salary should not be greater than Rs.$2000$. This is integrity constraint referential constraint over-defined constraint feasible constraint
The employee salary should not be greater than Rs.$2000$. This isintegrity constraintreferential constraintover-defined constraintfeasible constraint
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14
NIELIT 2017 July Scientist B (IT) - Section B: 19
If $R$ is a relation in Relational Data Model and $A_1,A_2,\dots A_n$ are the attributes of relation $R$, what is the cardinality of $R$ ...
If $R$ is a relation in Relational Data Model and $A_1,A_2,\dots A_n$ are the attributes of relation $R$, what is the cardinality of $R$ expressed in terms of domain of a...
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