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Recent questions tagged er-diagram

2 votes
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152
er diagram
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3 votes
1 answer
153
Gate model paper
Explain it ::: Cardinality ratio not given then how can be find?
Explain it ::: Cardinality ratio not given then how can be find?
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2 votes
1 answer
154
ER model
How multivalued attributes should be seperated ?
How multivalued attributes should be seperated ?
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2 votes
1 answer
156
DBMS ER-Diagram (No of Relations)
Options was:- 4,5,6,7
Options was:- 4,5,6,7
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4 votes
1 answer
157
Ace Test series: Databases - Er Diagram
What type of representation is this ?? No cardinality ratio and what is diffrence between arrowed line (between R and B) and solid line (between A and R)
What type of representation is this ??No cardinality ratio and what is diffrence between arrowed line (between R and B) and solid line (between A and R)
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2 votes
1 answer
158
ER tables
Number of tables in case of 1)1:N + total participation (on n side) 2) 1:N + partial participation
Number of tables in case of 1)1:N + total participation (on n side)2) 1:N + partial participation
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1 votes
0 answers
159
Doubt Reg ER Model Cardinality
Each Department is required to have atmost one employee as manager My interpretation is for Department : Cardinality=1 Particiaption=0 for Employee Cardinality=1 and Participation is what? (1 or 0) Are they correct ?
Each Department is required to have atmost one employee as managerMy interpretation is for Department : Cardinality=1 Particiaption=0 for Employee Cardinality=1 and Parti...
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0 votes
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161
ER Diagram
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1 votes
0 answers
164
ER model
If two tables A and B given with relationship table R. Min number of tables possible if below conditions given 1) R is 1:1 2) R is m:n 3)R is 1:m 4)R is m:1 5)total participation of A in R 6)total participation of A and B both in R
If two tables A and B given with relationship table R.Min number of tables possible if below conditions given1) R is 1:1 2) R is m:n3)R is 1:m4)R is m:1 5)total participa...
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3 votes
1 answer
165
ER MODEL
What is the relationship between strong entity and weak entity 1:1 1:M M:1 M:N Please explain ?
What is the relationship between strong entity and weak entity1:11:MM:1M:NPlease explain ?
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5 votes
1 answer
167
Minimum relations required for ER diagram
How many minimum relations required for the above ER diagram? According to me it should be 7. Please let me know the answer according to you.
How many minimum relations required for the above ER diagram?According to me it should be 7. Please let me know the answer according to you.
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1 votes
2 answers
168
self doubt
min no. of tables ? (participation of dependent is total)
min no. of tables ?(participation of dependent is total)
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5 votes
3 answers
170
#testseries
Consider the following E-R diagram: What is the minimum relations required which satisfied the 2nd normal form? A) 1 B) 2 C) 3 D) 4
Consider the following E-R diagram: What is the minimum relations required which satisfied the 2nd normal form?A)1B)2C)3D)4
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3 votes
1 answer
171
er dig
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2 votes
2 answers
172
ER model doubt
How is it opt D ?
How is it opt D ?
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2 votes
2 answers
174
ER model
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0 votes
0 answers
175
ER Model DBMS
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1 votes
1 answer
176
ER model participation constraint
participation constraints cannot be represented for ? a) unary relationships b) binary relationships c)ternary relationships d)none
participation constraints cannot be represented for ?a) unary relationshipsb) binary relationshipsc)ternary relationshipsd)none
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0 votes
1 answer
177
ER model
participation constraints cannot be represented for ? a) unary relationships b) binary relationships c)ternary relationships d)none
participation constraints cannot be represented for ?a) unary relationshipsb) binary relationshipsc)ternary relationshipsd)none
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1 votes
1 answer
179
Minimum tables required
1.Minimum number of tables required which satisfies 1NF ? 2.Minimum number of tables required which satisfies 3NF ?
1.Minimum number of tables required which satisfies 1NF ?2.Minimum number of tables required which satisfies 3NF ?
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1 votes
1 answer
180
Number of relations in ER diagram
Minimum number of relations or tables required ?
Minimum number of relations or tables required ?
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