Siemens Healthineers C Developer Interview Questions, Process, and Tips

They asked easy to medium DSA . It includes arrays, strings, recursion.

Dsa and aptitude questions were asked

Q1. DSA,sql, oops and some resume related questions
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Q1. General interaction about me and my family
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Q1. Query to get Highest 2nd salary in the table
Ans. 
Use a subquery to find the second highest salary in the table.
• Use a subquery to select all salaries that are less than the maximum salary in the table.

• Then select the maximum salary from the results of the subquery to get the second highest salary.
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Q2. Update same column in 1 query
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Update same column in 1 query
• Use the UPDATE statement with the SET clause to update the desired column

• Reference the same column in the SET clause to update it with a new value

• Ensure proper WHERE clause is used to specify which rows to update
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Q1. Self introduction
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Q1. What is oops, what is abstraction
Ans. 
OOPs stands for Object-Oriented Programming. Abstraction is the concept of hiding complex implementation details and showing only necessary features of an object.
• OOPs is a programming paradigm that uses objects and classes to design and develop applications.

• Abstraction is the process of hiding the implementation details and showing only the necessary features of an object.

• For example, a car can be represented as an obj...read more
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Population, cricket, own topicsssss

Q1. What is sql in MYSQL?
Ans. 
SQL in MYSQL is a query language used to interact with databases to retrieve, insert, update, and delete data.
• SQL stands for Structured Query Language

• It is used to communicate with databases like MYSQL to perform various operations

• Common SQL commands include SELECT, INSERT, UPDATE, DELETE

• Example: SELECT * FROM table_name WHERE condition;
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It was medium to difficult level test

Q1. Questions about core subjects like oops pillars
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Q2. Questions about projects, technologies used
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Q1. Why do you want to join this
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Q2. Your previous experience and questions about your background
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Two Easy questions to be solved

Q1. Some Technical based questions
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Q2. It was amazing . Interviewer asked me to code for heap sort and asked me to explain.
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Q3. Write a code for heap sort algorithm and explain it?
Ans. 
Heap sort is a comparison-based sorting algorithm that uses a binary heap data structure.
• Heap sort works by building a binary heap from the array and then repeatedly extracting the maximum element and placing it at the end of the array.

• The heap is maintained as a complete binary tree, where each parent node is greater than or equal to its children.

• The time complexity of heap sort is O(n log n) and it is an in-place sor...read more
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