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Database Management Systems

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35
votes
1
answer
578k
views
1
answer
Draw E-R diagram for Hospital management System.
database management systems updated 2.3 years ago by jaypanchal90968 • 20
12
votes
2
answers
136k
views
2
answers
Construct an ER diagram for car insurance company that has a set of customers each of whom owns one or more cars. Each car has associated with it zero to any number of recorded accidents
database management systems updated 2.5 years ago by dragionro479 • 40
10
votes
1
answer
133k
views
1
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Explain Total Participation and Partial Participation with example.
database management systems updated 2.7 years ago by binitamayekar ★ 6.5k
7
votes
1
answer
129k
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1
answer
Explain types of integrity constraints with example.
database management systems updated 2.7 years ago by binitamayekar ★ 6.5k
30
votes
1
answer
114k
views
1
answer
Describe overall architecture of DBMS with diagram.
database management systems updated 2.5 years ago by teamques10 ★ 66k
1
vote
1
answer
101k
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1
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Explain Primary key with suitable example.
database management systems updated 2.6 years ago by teamques10 ★ 66k
6
votes
1
answer
91k
views
1
answer
Draw an ER diagram for university database consisting of four entities
database management systems updated 21 months ago by sagarkolekar ★ 11k
10
votes
1
answer
79k
views
1
answer
Explain steps in query processing?
database management systems updated 2.6 years ago by teamques10 ★ 66k
5
votes
1
answer
79k
views
1
answer
Draw E-R diagram for online Ticket Railway Reservation System. Convert E-R diagram into tables.
database management systems updated 2.5 years ago by sagarkolekar ★ 11k
1
vote
1
answer
60k
views
1
answer
We can convert any entity set to a strong entity set by simply adding appropriates attributes. Why then, do we have weak entity sets?
database management systems updated 2.2 years ago by pedsangini276 • 4.8k
0
votes
1
answer
58k
views
1
answer
Explain Weak entity set with suitable example.
database management systems updated 21 months ago by yashbeer ★ 11k
3
votes
1
answer
48k
views
1
answer
Draw an ER Diagram for a banking enterprise. Convert it into relational model.
database management systems updated 2.5 years ago by sagarkolekar ★ 11k
1
vote
1
answer
43k
views
1
answer
What are triggers? Explain with example.
database management systems updated 2.7 years ago by binitamayekar ★ 6.5k
5
votes
1
answer
42k
views
1
answer
Describe conflict serializability and view serializability with examples.
database management systems updated 2.2 years ago by pratikshajawale456 • 30
2
votes
1
answer
41k
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1
answer
Explain Database users
database management systems updated 2.7 years ago by binitamayekar ★ 6.5k
5
votes
1
answer
40k
views
1
answer
What is Normalization? Explain 1NF, 2NF, 3NF and BCNF giving examples.
database management systems updated 2.5 years ago by sagarkolekar ★ 11k
5
votes
1
answer
39k
views
1
answer
What is an attribute? Discuss various types of attributes with examples.
database management systems updated 2.5 years ago by sagarkolekar ★ 11k
6
votes
1
answer
35k
views
1
answer
Compare ER and EER models
database management systems updated 2.7 years ago by binitamayekar ★ 6.5k
4
votes
1
answer
33k
views
1
answer
Write short note on DBA and explain role of a DBA.
database management systems updated 2.7 years ago by binitamayekar ★ 6.5k
2
votes
1
answer
29k
views
1
answer
Explain aggregate functions with example
database management systems updated 2.7 years ago by binitamayekar ★ 6.5k
6
votes
1
answer
29k
views
1
answer
Explain log based recovery
database management systems updated 8.2 years ago by teamques10 ★ 66k
2
votes
1
answer
29k
views
1
answer
Consider Insurance database given below and answer the following queries in SQL.
database management systems updated 2.7 years ago by binitamayekar ★ 6.5k
3
votes
1
answer
28k
views
1
answer
Explain lossless join decomposition and dependency preserving decomposition.
database management systems updated 2.6 years ago by teamques10 ★ 66k
1
vote
1
answer
26k
views
1
answer
Explain B+ tree and B Tree Index files in DBMS.
database management systems updated 2.7 years ago by pedsangini276 • 4.8k
2
votes
1
answer
26k
views
1
answer
Consider the following relation
database management systems updated 2.7 years ago by teamques10 ★ 66k
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