DBMS

Database Management System is a software or technology used to manage data from a database.

•  Explain the ACID properties of transactions.
• Compare and contrast different types of joins (inner, outer, left, right).
• How do you optimize a slow-running query?
• Explain the difference between Indexing and Hashing for indexing.
• What are the different types of normalization (1NF, 2NF, 3NF)?
• Explain the concept of concurrency control in DBMS.
• How do you handle data redundancy in a database?
• Describe the use of views in a database.
• Explain the difference between OLTP and OLAP databases.
• What are some best practices for database security?

Walmart is a multinational retail company that owns a chain of hypermarkets, discount department stores, and grocery stores and is known for its focus on low prices and everyday essentials. It was founded in 1962 by Sam Walton and is headquartered in Bentonville, Arkansas. Walmart is not only the world’s largest retailer by revenue but also the world’s largest private employer with over 2.3 million employees. Walmart has been ranked first in the Fortune 500 list of the largest corporations in the United States by total revenue since 2014 and has been investing heavily in e-commerce in recent years becoming the largest online retailer in the United States.

Landing a job at Walmart can be a dream come true for many tech professionals. Walmart offers a dynamic and challenging work environment where you can make a real impact with its focus on innovation and cutting-edge technology. But before you can celebrate, you’ll need to ace the technical interview. To help you prepare, we’ve compiled a list of the most commonly asked technical interview questions at Walmart, backlinks with their solution articles, and practice pages.