Gujarat Technological UniversitySummer 2023 examination

GTU 3130703 Database Management Systems (DBMS) Summer 2023 Question Paper & PDF

B.E. · Computer Engineering · Semester 3 · Subject code 3130703
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Total
70 marks
To pass
23 marks (33%)
Duration
2.5 Hours 2:30 PM – 5:00 PM
Questions
5 with internal choice
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14 of 25 questions on this paper were also asked in other years. 1 more is a type of question GTU sets again with new data. Each is marked below with the years it appeared.See all 41 repeated 3130703 questions, most asked first

Q.1

14 Marks
(a)
3 marksAsked in 3 of 7 papers
Explain the different types of database users.

Also asked in Summer 2026 Q1b, Summer 2025 Q1b

(b)
4 marks
What are the responsibilities of a DBA?
(c)
7 marksAsked in 2 of 7 papers

Explain database system 3 tier architecture with clear diagram in detail.

Also asked in Summer 2026 Q1c

Q.2

14 Marks
(a)
3 marksAsked in 2 of 7 papers
Explain candidate key, primary key and foreign key.

Also asked in Summer 2026 Q1a

(b)
4 marksAsked in 2 of 7 papers
Explain Mapping Cardinalities.

Also asked in Winter 2025 Q3a

(c)
7 marks
Explain Entity Relationship model with example.
(c)
7 marksAsked in 2 of 7 papers
What is join? Explain various type of joins with example.

Also asked in Winter 2024 Q5b OR

Q.3

14 Marks
(a)
3 marksAsked in 2 of 7 papers
Explain query optimization process.

Also asked in Summer 2025 Q4c

(b)
4 marks
Explain 3NF with example
(c)
7 marks
What is functional dependency? Explain its types in detail.
(a)
3 marksAsked in 2 of 7 papers
What are anomalies in database design? How can we solve it?

Also asked in Winter 2024 Q3a OR

(b)
4 marks
Explain BCNF with example.
(c)
7 marksAsked in 6 of 7 papers
Enlist and explain the basic steps in Query Processing.

Also asked in Summer 2026 Q4c OR, Winter 2025 Q4c, Winter 2024 Q4c OR, Summer 2024 Q3c OR, Winter 2023 Q4c

Q.4

14 Marks
(a)
3 marksAsked in 3 of 7 papers
Explain log based recovery and mention all its types.

Also asked in Winter 2025 Q5a, Summer 2024 Q4b OR

(b)
4 marksAsked in 2 of 7 papers
Explain Two phase commit protocol?

Also asked in Summer 2026 Q3a OR

(c)
7 marksAsked in 7 of 7 papers
What is a transaction? Explain the ACID properties.

Also asked in Summer 2026 Q3a, Winter 2025 Q4b OR, Summer 2025 Q3a OR, Winter 2024 Q4b OR, Summer 2024 Q4b, Winter 2023 Q4a

(a)
3 marks
Write short note on data encryption.
(b)
4 marksAsked in 2 of 7 papers
Explain deadlock detection.

Also asked in Winter 2025 Q5c

(c)
7 marksAsked in 2 of 7 papers
Explain conflict serializability and view serializability.

Also asked in Winter 2024 Q5a OR

Q.5

14 Marks
(a)
3 marksAsked in 2 of 7 papers
Describe GRANT and REVOKE commands

Also asked in Winter 2025 Q5b OR

(b)
4 marks
Explain Transaction Control Commands
(c)
7 marksSame type asked in 6 of 7 papers

Consider the following employee database, primary keys are underlined : employee (employee-name, street, city) works (employee-name, company-name, salary) company (company-name, city) manages (employee-name, manager_name) Give an expression in SQL for each of the following queries: 1. Find the names of all employees who work for First Bank Corporation.

2Give all employees of First Bank Corporation a 10 percent raise.
3Find the names and cities of residence of all employees who work for First Bank Corporation.
4Find the names, street addresses, and cities of residence of all employees who work for First Bank Corporation and earn more than $10,000.
5Find all employees in the database who live in the same cities as the companies for which they work.
6Find all employees in the database who do not work for First Bank Corporation.

Also asked in Summer 2026 Q5c, Summer 2026 Q5c OR, Winter 2025 Q5c OR, Summer 2025 Q5c OR, Summer 2024 Q5c, Winter 2023 Q5c, Winter 2023 Q5c OR

(a)
3 marks
Explain DDL,DML,DCL with example
(b)
4 marks
Discuss aggregate functions with example(s).
(c)
7 marks
Explain stored procedures and stored functions.

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About this paper

Official Gujarat Technological University (GTU) examination paper for Database Management Systems (DBMS) (Summer 2023, B.E. · Computer Engineering, Sem 3). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.

Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.

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