Database Management System (DBMS)
Database Management System is a software or technology used to manage data from a database. Some popular databases are MySQL, Oracle, MongoDB, etc. DBMS provides many operations e.g. creating a database, Storing in the database, updating an existing database, delete from the database.
- What is alter command ?
- SQL query to find second highest salary
- What are the databaselock?
- Explain the ACID properties of transactions and their importance in database integrity.
- Compare and contrast Structured Query Language (SQL) and NoSQL databases.
- Discuss different types of database views and their advantages in data security and access control.
- Explain the concepts of normalization and its different levels (1NF, 2NF, 3NF).
- Optimize a slow-running SQL query by identifying and correcting bottlenecks.
- Write an SQL query to join two tables based on specific conditions.
- What are super, primary, candidate, and foreign keys?
Paypal Interview Questions and Answers
Have you set your sights on a rewarding career at PayPal, the global leader in online payments? Well, buckle up, because landing that dream job requires navigating a series of interview hurdles. But don’t worry because this comprehensive guide equips you with the essential questions to ace your PayPal interview. We’ll delve into a curated selection of frequently asked questions, providing insightful answers to DSA, DBMS, OOPS, OS and CN. Whether you’re a seasoned professional or a fresh graduate, this article empowers you to present your best self and leave a lasting impression. So, let’s unlock the secrets to unlocking your future at PayPal!
Table of Content
- DSA Problems
- OS
- DBMS
- OOPS
- System Desgin