POSTGRESQL DATABASE INTERVIEW QUESTIONS

Course:PostgreSQL
Chapter:Chapter 8 - RDBMS Concepts
Questions Count:10
1

What is Third Normal Form (3NF) in database normalization?

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2

Why is it important to have a database in Third Normal Form (3NF)?

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3

Can you explain the concept of transitive dependency in the context of Third Normal Form (3NF)?

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4

How does Third Normal Form (3NF) differ from Second Normal Form (2NF) in PostgreSQL?

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5

What are the steps to convert a table from Second Normal Form (2NF) to Third Normal Form (3NF) in PostgreSQL?

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6

How does maintaining a PostgreSQL database in Third Normal Form (3NF) improve query performance?

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7

What are some challenges you might face when designing a PostgreSQL database to be in Third Normal Form (3NF)?

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8

Can a PostgreSQL table be in Third Normal Form (3NF) if it has a composite primary key? Explain.

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9

How does Third Normal Form (3NF) affect the design of foreign keys in a PostgreSQL database?

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10

In a PostgreSQL database design certification exam, how would you demonstrate that a given table is in Third Normal Form (3NF)?

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