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BCA Semester 4 – Database Management System – Unit 5: Creating and Altering Database and Tables SQL (6Hrs.)

Comprehensive questions and detailed answers for Unit 5: Creating and Altering Database and Tables SQL (6Hrs.). Perfect for exam preparation and concept clarity.

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What is DDL and DML queries?Consider the following relation.

Consider the following relation.

Customer nameLoan number
XL01
YL02

Relation borrower

Loan numberBranch nameAmount
L01B15000
L02B26000

Relation loan

Write a relational algebra expression to find all customer who taken loan from branch "B1".

MediumTHEORY5 marks2022(TU FOHSS Final)

What are different SQL constraints to specify the rules for the data in the database? Explain.

MediumTHEORY5 marks2023(TU FOHSS Final)

Why integrity constraints are used in databases? Explain different types of integrity constraints with examples.

MediumTHEORY5 marks2024(TU FOHSS Final)
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Sample Questions

What is DDL and DML queries?Consider the following relation. Consider the following relation. |Customer name | Loan number | |---|---| X |L01 | Y | L02| Relation borrower |Loan number |Branch name |

Marks: 5Chapter: Unit 5: Creating and Altering Database and Tables SQL (6Hrs.)

What are different SQL constraints to specify the rules for the data in the database? Explain.

Marks: 5Chapter: Unit 5: Creating and Altering Database and Tables SQL (6Hrs.)

Why integrity constraints are used in databases? Explain different types of integrity constraints with examples.

Marks: 5Chapter: Unit 5: Creating and Altering Database and Tables SQL (6Hrs.)

Unit 5: Creating and Altering Database and Tables SQL (6Hrs.) chapter questions with answers for Database Management System (BCA Semester 4). Prepare for TU exams with our comprehensive question bank and model answers.