Datamatics Global Services Engineer Trainee Interview Questions and Answers

Q1. About SQL and DBMS
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Q2. About DSA, Improvizing program
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Tracing the Flowchart

1st round was a hackathon coding.2 coding questions were asked

Q1. What is synchronisation
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Synchronization is the coordination of multiple processes or threads to ensure their orderly execution.
• Synchronization is used to prevent race conditions and ensure data consistency.

• It involves using locks, semaphores, or other mechanisms to control access to shared resources.

• Examples of synchronization include mutual exclusion, critical sections, and inter-process communication.

• Synchronization can also be achieved thr...read more
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Q2. What is deadlock 2 Coding questions and asked to execute them
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Q3. What is thread ? Oops concepts
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A thread is a lightweight process that can run concurrently with other threads within a program.
• Threads allow for parallelism and can improve performance in certain situations.

• Threads share the same memory space as the parent process.

• Threads can communicate with each other through shared memory or message passing.

• Thread safety is important to prevent race conditions and other concurrency issues.

• Examples of multi-thread...read more
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Q1. Self introduction About project
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Q2. Scenario based questions
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Time based mcqs are there

Q1. Swap two numbers without using third variable
Ans. 
Swap two numbers without using a third variable
• Use bitwise XOR operation to swap two numbers without using a third variable

• Example: a = 5, b = 7. a = a XOR b, b = a XOR b, a = a XOR b will swap the values
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Q1. Company related questions
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