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Recent questions tagged er-diagram
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GATE CSE 2024 | Set 1 | Question: 10
Let $\mathrm{S}$ be the specification: "Instructors teach courses. Students register for courses. Courses are allocated classrooms. Instructors guide students." Which one of the following $\mathrm{ER}$ diagrams CORRECTLY represents $\mathrm{S}$? $\text{(i)}$ $\text{(ii)}$ $\text{(iii)}$ $\text{(iv)}$
Let $\mathrm{S}$ be the specification: "Instructors teach courses. Students register for courses. Courses are allocated classrooms. Instructors guide students." Which one...
Arjun
2.1k
views
Arjun
asked
Feb 16
Databases
gatecse2024-set1
databases
er-diagram
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3
votes
0
answers
2
GO Classes Test Series 2024 | Mock GATE | Test 11 | Question: 13
Given the portion of an ER diagram shown above (with a thickened arrow from $R$ to $A),$ which of the following statements are true? $R$ connects each entity in $A$ to at least one entity in $B$ $R$ connects each entity in $A$ to at ... in $B$ to at most one entity in $A$ only I and II only II and III only I and IV only III and IV
Given the portion of an ER diagram shown above (with a thickened arrow from $R$ to $A),$ which of the following statements are true?$R$ connects each entity in $A$ to at ...
GO Classes
637
views
GO Classes
asked
Jan 13
Databases
goclasses2024-mockgate-11
goclasses
databases
er-diagram
1-mark
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0
votes
2
answers
3
ISRO 2024
Entity Relationship model shows the Static view Functional view Dynamic view All of the above
Entity Relationship model shows theStatic viewFunctional viewDynamic viewAll of the above
Ramayya
344
views
Ramayya
asked
Jan 7
Databases
isro-2024
databases
er-diagram
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0
votes
0
answers
4
ER Diagram
Can someone please provide me with the correct explanation for this question
Can someone please provide me with the correct explanation for this question
practicalmetal
379
views
practicalmetal
asked
Oct 26, 2023
Databases
er-diagram
databases
made-easy-test-series
er-to-relational
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0
votes
0
answers
5
Finding minimum number of tables needed to represent ER diagram
Find minimum number of tables needed to represent following ER diagram? This question would have been relatively simple as we would implicitly convert the ERD to 3NF (asked in GATE 2008). But what if the questions asks us to find minimum tables needed to represent above ERD in 1NF or 2NF?. What would our approach will be in that case?
Find minimum number of tables needed to represent following ER diagram?This question would have been relatively simple as we would implicitly convert the ERD to 3NF (aske...
rexritz
501
views
rexritz
asked
Aug 29, 2023
Databases
er-diagram
databases
normal-forms
database-normalization
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0
votes
1
answer
6
Dbms practice - Self doubt
Consider the below instance of relation : Employee: Emp_rating Emp_name Emp_mail Emp_sal 1. Surabhi sm301@gj 40000 2. Vishu sp11@ap 60000 1. Surabhi Null 50000 3. Yashy ar@dy 60000 The maximum possible number of alternate keys for the above relational instance is/are _____
Consider the below instance of relation : Employee: Emp_ratingEmp_nameEmp_mailEmp_sal1.Surabhism301@
[email protected]
@dy60000 The maxi...
Rahhul A
435
views
Rahhul A
asked
Aug 3, 2023
Databases
rdbms
sql
er-diagram
er-to-relational
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–
0
votes
1
answer
7
Confused about cardinality of ER diagram which one is whose cardinality ,look on my notes and clear it out.
Pradeep_Kumar
490
views
Pradeep_Kumar
asked
Jul 13, 2023
Databases
databases
er-diagram
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0
votes
0
answers
8
Applied root course
priyansh_1705
179
views
priyansh_1705
asked
Jun 8, 2023
Databases
databases
er-diagram
+
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0
votes
0
answers
9
Database ER model
Consider the following relation (capitalized letters are attributes and lower letters are values). X: From the given FDs find the dependencies that seems to apply on X and identify a possible key (Candidate key) for X. A→C,D→E,C→A,E→B E→A,C→B,B→D,B→A
Consider the following relation (capitalized letters are attributes and lower letters are values).X:From the given FDs find the dependencies that seems to apply on X and ...
Ashutosh_17
433
views
Ashutosh_17
asked
Apr 13, 2023
Databases
databases
er-diagram
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–
1
votes
2
answers
10
Database ER model
An ER diagram is having two strong entities E1 and E2. The relationship between the entities ‘R’ is having partial participation from E1 side and total participation from E2 side with 1:1 cardinality. The entities E1 and E2 are having one multivalued attribute each. How many numbers of relations are required to represent the ER model into the relational model?
An ER diagram is having two strong entities E1 and E2. The relationship between the entities ‘R’ is having partial participation from E1 side and total participation ...
Ashutosh_17
979
views
Ashutosh_17
asked
Apr 13, 2023
Databases
databases
er-diagram
relational-model
+
–
2
votes
1
answer
11
GO Classes 2023 | IIITH Mock Test 1 | Question: 17
Consider the following ER diagram : borrower mapping cardinality is many-to-many. While converting the ER diagram into a relational DBMS model, the relationship set borrower is converted into a relation borrower(cust_id, loan_id, ... , what is the primary key of borrower ? cust_id loan_id (cust_id, loan_id) (cust_id, loan_id, access_date)
Consider the following ER diagram :“borrower” mapping cardinality is many-to-many. While converting the ER diagram into a relational DBMS model, the relationship set ...
GO Classes
755
views
GO Classes
asked
Mar 26, 2023
Databases
goclasses2023-iiith-mock-1
goclasses
databases
relational-model
er-diagram
1-mark
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