Lowe's Lead Engineer Interview Questions and Answers

An E-Commerce system can be designed by identifying user requirements, selecting appropriate technologies, and implementing secure payment and shipping methods.

• Identify user requirements and create user stories

• Select appropriate technologies for front-end, back-end, and database

• Implement secure payment and shipping methods

• Design a user-friendly interface with easy navigation

• Ensure scalability and performance of the sys...read more

The for loop will run indefinitely without any condition to terminate it.

• The loop will continue executing until it is manually interrupted or the program crashes.

• This can lead to a program becoming unresponsive or consuming excessive resources.

• It is important to always include a condition in a for loop to control its execution.

Graph is a non-linear data structure with cycles while tree is a hierarchical data structure without cycles.

• Graph can have multiple starting points and paths between nodes while tree has only one root node and unique paths between nodes.

• Graph can have cycles while tree is acyclic.

• Graph can be directed or undirected while tree is always directed.

• Examples of graphs include social networks, road networks, and computer net...read more

Data structures are ways of organizing and storing data in a computer so that it can be accessed and used efficiently.

• Arrays

• Linked Lists

• Stacks

• Queues

• Trees

• Graphs

• Hash Tables

Query to find the top five employee salaries

• Use the SELECT statement to retrieve the employee salaries

• Order the results in descending order using the ORDER BY clause

• Limit the results to the top five using the LIMIT clause