Elekta Interview Questions and Answers

Use SQL query to find shortest flight duration from NY to HND

• Use SQL query with MIN function to find shortest duration

• Filter flights from NY to HND using WHERE clause

• Calculate duration by subtracting arrival time from departure time

"Technical" refers to the specialized knowledge, skills, and expertise required to design, develop, implement, and maintain systems, products, or processes. It encompasses various aspects, include.

Technology is the application of scientific knowledge for practical purposes, often involving tools and systems to improve efficiency and solve problems.

• Technology encompasses a wide range of tools, systems, and processes designed to improve efficiency and solve problems.

• It involves the application of scientific knowledge to practical purposes.

• Examples of technology include computers, smartphones, software, and machine...read more

The technical part refers to the specific skills, knowledge, and expertise required for a particular job or task.

• Includes understanding of relevant laws, regulations, and policies

• Involves proficiency in HR software and systems

• Requires knowledge of employee relations best practices

• May involve conducting investigations and resolving conflicts

• Includes analyzing data and trends to inform decision-making

The question is asking for a variation of sorting an array containing 0s, 1s, and 2s.

• Use a three-way partitioning algorithm to sort the array in a single pass.

• Keep track of three pointers - low, mid, and high to partition the array.

• Example: Input array = [0, 1, 2, 1, 0], Output array = [0, 0, 1, 1, 2]

A palindromic substring is a string that reads the same forwards and backwards.

• Use dynamic programming to find the longest palindromic substring.

• Start by considering each character as the center of a potential palindrome.

• Expand outwards from each center to check for palindromic substrings.

• Keep track of the longest palindrome found so far.

• Example: Input 'babad', Output 'bab' or 'aba'.

Designing an eCommerce system involves creating a high-level software architecture to handle online transactions and user interactions.

• Identify key components such as user interface, product catalog, shopping cart, payment gateway, and order processing

• Consider scalability, security, and performance requirements

• Choose appropriate technologies and frameworks like React for front-end, Node.js for back-end, and MySQL for d...read more

I led a project to implement a new customer relationship management system for a large retail company.

• Conducted initial research to identify the best CRM system for the company's needs

• Collaborated with IT team to customize the system to fit the company's requirements

• Developed a training program for employees to ensure successful adoption of the new system

• Managed the implementation process and monitored progress to ensu...read more

I have experience writing SQL queries for data analysis and reporting purposes.

• Use SELECT statement to retrieve data from database tables

• Use WHERE clause to filter data based on specific conditions

• Use JOIN clause to combine data from multiple tables

• Use GROUP BY clause to group data based on specific columns

• Use ORDER BY clause to sort data in ascending or descending order