Ernst & Young Interview Questions and Answers

Valuation multiples are ratios used to compare a company's value to its financial performance.

• Valuation multiples include price-to-earnings (P/E), price-to-sales (P/S), and price-to-book (P/B) ratios.

• P/E ratio compares a company's stock price to its earnings per share (EPS).

• P/S ratio compares a company's stock price to its revenue per share.

• P/B ratio compares a company's stock price to its book value per share.

• Valuation multiples can be used to compare a company's value to it...read more

Joins in SQL are used to combine data from two or more tables based on a related column.

• Types of joins include inner join, left join, right join, and full outer join.

• Inner join returns only the matching rows from both tables.

• Left join returns all rows from the left table and matching rows from the right table.

• Right join returns all rows from the right table and matching rows from the left table.

• Full outer join returns all rows from both tables, with NULL values for non-matchi...read more

Winzip is a paid software for commercial purposes.

• Winzip is a file compression and encryption software used for compressing files and folders.

• It offers a free trial version for personal use, but a paid license is required for commercial purposes.

• Businesses and organizations need to purchase a license to use Winzip for commercial activities.

Data normalization is the process of organizing data in a database to reduce redundancy and improve data integrity.

• Normalization is achieved through a series of normal forms (1NF, 2NF, 3NF, BCNF, etc.)

• Each normal form has specific rules that must be followed to ensure data is properly organized

• For example, 1NF requires that each table have a primary key and that each column in the table be atomic (i.e. indivisible)

• 2NF requires that each non-key column be dependent on the enti...read more

AWS (Amazon Web Services) is a cloud computing platform that offers a wide range of services and features for businesses and individuals.

• AWS provides services such as computing power, storage, databases, machine learning, and analytics.

• Features of AWS include scalability, flexibility, security, and cost-effectiveness.

• Examples of AWS services are EC2 (Elastic Compute Cloud), S3 (Simple Storage Service), RDS (Relational Database Service), and Lambda (serverless computing).