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Q.Modify the ER diagram given below and add these make corrections if anything is wrong Weak entity Identifying relationship Weak relationship Key attribute Composite attribute

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Q.Modify the ER diagram given below and add these make corrections if anything is wrong Weak entity Identifying relationship Weak relationship Key attribute Composite attribute Multivalued attribute Derived attribute Relationships: 1. One to One 2. One to Many 3. Many to One 4. Many to Many Skip thoose that are already present U can draw the diagram on paper too Transcribed Image Text: username
id
password
admin
id
student
add
id
studying
entry
name
name
course
timetable
course
No of st
mark
Belong to
t.name
manage
year
student
section
dept
instructor
attend
id
name
sem
course
conduct
Gr.report
s.no
n.grade
exam
I.gr
вра
t.name
St. id
teacher
c. name
id
name
c.name

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