Account
Categories
Shobha
Shobha
The best way to predict the future is to invent it

What is the difference between a Data Lake and a Data Warehouse, and when would you use each in analytics?

A Data Lake stores raw, unstructured data, ideal for flexible, exploratory analysis. A Data Warehouse stores structured, processed data for specific reporting and querying. Use a Data Lake for big data and real-time analytics, and a Data Warehouse for structured reporting. For example,Data Lake: Storing sensor data; Data Warehouse: Sales data for reporting.
RELATED INTERVIEW QUESTIONS
How do you evaluate the predictive accuracy of a machine learning model?
How do you create a rotating animation effect on an element using CSS?
How do you handle large data sets in Python efficiently?
Explain the difference between break, continue, and pass statements.
What is multi-objective optimization, and how does it differ from single-objective optimization?
What is AdaBoost, and how does it improve the performance of weak learners?
How do you create a sticky header in an HTML document?
How can the class attribute be used for both styling and JavaScript manipulation?
How can you embed a YouTube video in an HTML document?
How do you create a form in HTML? Provide an example.
What is overscroll-behavior in CSS?
How do you use Pythons memoryview objects for efficient data handling?
How do you apply data augmentation in deep learning for image processing?
How does the background-size property work?
What are the different types of inheritance in Python?