Preview Questions Data Modeling Concepts | Role Specific Skill

Question 1: Your data warehouse includes data from various formats. How do you standardize it?

Which action should you take?

Choose only one option

Implement data transformation processes

Use a common data format

Implement a data normalization strategy

Use data mapping techniques

Question 2: Your database has anomalies during insert, update, and delete operations. What do you do?

Which action should you take?

Choose only one option

Normalize up to Third Normal Form (3NF)

Normalize up to Second Normal Form (2NF)

Normalize up to First Normal Form (1NF)

Normalize up to Fourth Normal Form (4NF)

Question 3: How do you manage changing business requirements in your dimensional model?

Which action should you take?

Choose only one option

Regularly update and review the model

Use flexible schema design

Implement versioning in the model

Apply incremental changes based on requirements

Question 4: What is your approach to designing scalable databases?

Which action should you take?

Choose only one option

Normalize the database

Use partitioning

Implement indexing

Use replication

Question 5: What is your strategy for managing database maintenance?

Which action should you take?

Choose only one option

Implement automated maintenance processes

Regularly monitor performance

Schedule regular data updates and backups

Use maintenance windows

Question 6: You need to design a dimension table for your model. What is your first step?

Which action should you take?

Choose only one option

Define the key attributes of the dimension

Identify the fact tables related to the dimension

Determine the granularity of the dimension

Create a surrogate key for the dimension