Danaher Customer Service Associate Interview Questions and Answers

Q1. The interview will be based on your CV so whatever you will mention just be prepared for that
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Q2. Interview will be initiated with the personal introduction
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Q1. It was based technical skills whatever I am doing that's all they have asked
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Q2. PersonalIntroduction
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Q1. Regarding the Salary and relocation
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Q1. How many types of joins in sql
Ans. 
There are four types of joins in SQL: INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.
• INNER JOIN: Returns rows when there is at least one match in both tables.

• LEFT JOIN: Returns all rows from the left table and the matched rows from the right table.

• RIGHT JOIN: Returns all rows from the right table and the matched rows from the left table.

• FULL JOIN: Returns rows when there is a match in one of the tables.
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Q2. Diff between list and set
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List is an ordered collection of elements with duplicates allowed, while set is an unordered collection of unique elements.
• List maintains the order of elements, while set does not guarantee any specific order.

• List allows duplicate elements, while set does not allow duplicates.

• List is implemented using classes like ArrayList, LinkedList, etc., while set is implemented using classes like HashSet, TreeSet, etc.
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Q3. Diff between map set
Ans. 
Map is a collection of key-value pairs where each key is unique, while a set is a collection of unique elements with no duplicate values.
• Map allows duplicate values but keys must be unique, while set does not allow duplicates.

• Map is accessed using keys, while set is accessed using elements.

• Example: Map - {1: 'apple', 2: 'banana'}, Set - {'apple', 'banana'}
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Q4. Write Fibonacci program
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Fibonacci program generates the Fibonacci sequence up to a specified number of terms.
• Start with two variables initialized to 0 and 1

• Use a loop to calculate the next Fibonacci number by adding the previous two numbers

• Repeat the process until the desired number of terms is reached
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Q1. It was very cool and the recruiter was very energetic.
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Business usecases technical discussion and written test

Q1. Professional experiences
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