Datamatics Global Services ETL Developer Interview Questions and Answers

Q1. Basic Question Answer
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Q2. Basic SQL , SNWOFLAKE AND ETL Concepts
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Q1. Given strings and asked to write down the first non-repeatable string
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Q2. Palindrome program in java
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A palindrome program in Java checks if a given string reads the same forwards and backwards.
• Create a function that takes a string input

• Use a loop to compare characters from both ends of the string

• Return true if the string is a palindrome, false otherwise
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Q3. Diamond problem in java
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Diamond problem in Java occurs when a class inherits from two classes that have a common ancestor, resulting in ambiguity.
• Diamond problem arises in multiple inheritance scenarios in Java.

• It occurs when a class inherits from two classes that have a common ancestor.

• To resolve the diamond problem, Java does not support multiple inheritance through classes, but it can be achieved using interfaces.

• Example: Class A and Class...read more
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Q4. Given a list of numbers and insisted to get the sum of numbers which gives 6
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Iterate through the list and find pairs of numbers that sum up to 6
• Iterate through the list and check if the current number + any other number in the list equals 6

• Store the pairs of numbers that sum up to 6 in a separate list

• Return the list of pairs
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Q1. Java based questions
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Database Management system SQL and PlSQL

Database Base Management system SQL and PlSQL

Database Management system

Database Management system

Database Management system

Database Management system

Database Base Management system

Q1. Database Management system
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Q2. SQL and PlSQL Mango Data And Manu Database Management system
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Q3. C Language and C++Language and Java
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Q4. Data Analysis and Data entry
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Q5. DBMS C,C++ Java Data Entry Ms Excel Ms Word Ms PP
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Q1. Ask for basic dot net questions
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Q1. Oops concepts, Java 8 coding questions
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Q1. Project structure, collection framework
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Q2. Java 8 coding questions
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Q1. Tell me about yourself
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All good , questions are easy and simple

Array related questions

Q1. What is Salesforce
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Salesforce is a cloud-based customer relationship management (CRM) platform that helps businesses manage their sales, marketing, and customer support.
• Salesforce provides a range of tools and features for managing customer data, including lead and opportunity tracking, email marketing, and customer service management.

• It allows businesses to automate their sales and marketing processes, and provides real-time analytics a...read more
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Q2. Where do you use Salesforce
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Salesforce is used in various industries for customer relationship management (CRM) and sales automation.
• Salesforce is used by businesses to manage customer relationships and sales processes.

• It is commonly used in industries such as technology, finance, healthcare, and retail.

• Salesforce provides tools for lead management, opportunity tracking, and customer support.

• Companies use Salesforce to streamline their sales oper...read more
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Q3. How well we can use
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Q1. It was on coding and script
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