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Recent questions tagged er-diagram

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121
DBMS ER to relational model
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122
MadeEasy Workbook: Databases - Er Diagram
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123
Self Doubt
How many minimum number of tables required to represent a Department entity which having two multi valued attributes phone and office?
How many minimum number of tables required to represent a Department entity which having two multi valued attributes phone and office?
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1 votes
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124
#DBMS ER Model - Minimum Number of tables
What are minimum number of tables required for the following given ER models such that they satisfy 1NF ?
What are minimum number of tables required for the following given ER models such that they satisfy 1NF ?
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3 votes
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128
Number of tables
What is minimum number of tables requires, to represent above ER diagram? (Does total participation and partial participation will take a role in this question)?
What is minimum number of tables requires, to represent above ER diagram?(Does total participation and partial participation will take a role in this question)?
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130
Strong And Weak Entity
Why there is always $1:M$ relationship between a strong entity set and a weak entity set ,why not $M:1$ and $M:N$?
Why there is always $1:M$ relationship between a strong entity set and a weak entity set ,why not $M:1$ and $M:N$?
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2 votes
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131
ER Diagram
Consider the following $ER$ model: If $‘n’$ entries in $E_1$ and $‘m’$ entries in $E_2$. How many entries in relationship set $(R)$? At least $n$ At most $n$ Exactly $n$ At least $n$ and atmost $m$
Consider the following $ER$ model: If $‘n’$ entries in $E_1$ and $‘m’$ entries in $E_2$. How many entries in relationship set $(R)$?At least $n$At most $n$Exactly...
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132
Made Easy Workbook : Relational Model
What should be correct option for 1. and why...?
What should be correct option for 1. and why...?
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3 answers
133
relational model
minimum no. of tables required....!!! How to do such question where aggregation generalization or specialization is involved
minimum no. of tables required....!!!How to do such question where aggregation generalization or specialization is involved
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3 votes
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136
ER Diagram to table 2
Please Explain in detail i am weak in this topic
Please Explain in detail i am weak in this topic
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1 votes
1 answer
137
Er Diagram to Table 1
The number of minimum Relations which satisfy 1NF _________. (Partial participation between E1 and R should not lost in RDBMS design). Please explain every point in detail i am weak in ER Diagram to table conversion Please
The number of minimum Relations which satisfy 1NF _________. (Partial participation between E1 and R should not lost in RDBMS design).Please explain every point in detail...
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2 votes
3 answers
139
INTERESTING QUESTION ON ER DIAGRAMS
How many minimum number of tables are required for this ER Diagram?
How many minimum number of tables are required for this ER Diagram?
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7 votes
2 answers
140
ISRO2018-52
In $\text{E-R}$ model, $\text{Y}$ is the dominant entity and $\text{X}$ is subordinate entity If $\text{X}$ is deleted, then $\text{Y}$ is also deleted If $\text{Y}$ is deleted, then $\text{X}$ is also deleted If $\text{Y}$ is deleted, then $\text{X}$ is not deleted None of the above
In $\text{E-R}$ model, $\text{Y}$ is the dominant entity and $\text{X}$ is subordinate entity If $\text{X}$ is deleted, then $\text{Y}$ is also deleted If $\text{Y}$ is d...
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143
ER diagram Doubts.
Minimization of ER diagram. Need explanation.
Minimization of ER diagram. Need explanation.
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3 votes
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145
ER diagram
Minimum number of tables required for above diagram ________
Minimum number of tables required for above diagram ________
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2 votes
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149
ACE Test Series
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