Damco Solutions Senior Software Engineer Interview Questions and Answers

Q1. What is sql server agent why can't we create objects of abstract class write extension method for abstract class SQL: SP vs Function, which one is faster, why? can I call SP from Function Microservice orch...read more
Ans. 
SQL Server Agent is a job scheduling tool in SQL Server. Abstract classes cannot be instantiated. SPs are faster than functions. Microservice concepts. IEnumerable vs IQueryable.
• SQL Server Agent is a job scheduling tool in SQL Server for automating tasks like backups, database maintenance, etc.

• Abstract classes cannot be instantiated because they are incomplete and meant to be extended by subclasses.

• Extension methods ca...read more
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Q1. What is record in c# write generic method to perform summation of 2 numeric type variable (int, double, float..) write test cases for Sum method which design pattern you used
Ans. 
A record in C# is a data structure that stores a fixed number of fields of different data types.
• A record in C# is similar to a struct in C++, containing fields to store data.

• Example: 'public record Person { public string Name; public int Age; }'

• Generic method for summation: 'public T Sum(T a, T b) where T : struct, IConvertible { return Convert.ToDouble(a) + Convert.ToDouble(b); }'

• Test cases can include checking the su...read more
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Q2. This was the worst interview I have ever given. Interview got rescheduled 3 times. The panelist behaved so rudely, Why people wouldn't even care to show his face, it's literally very frustrating.
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Hackearth test and contain rest api questions and coding questions

Q1. Reverse link list
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Q2. Count number of digits
Ans. 
Count the number of digits in a given string
• Iterate through each character in the string

• Check if the character is a digit using isdigit() function

• Increment a counter if the character is a digit

• Return the final count of digits
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Q1. What is Apache Kafka?
Ans. 
Apache Kafka is a distributed streaming platform used for building real-time data pipelines and streaming applications.
• Apache Kafka is designed to handle high-throughput, fault-tolerant, and scalable real-time data streams.

• It allows for the publishing and subscribing to streams of records, similar to a message queue.

• Kafka is often used for log aggregation, stream processing, event sourcing, and real-time analytics.

• It p...read more
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Q1. How do you manage stress?
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Q1. Mostly on OOP's basic and some tricky questions related SOLID concepts
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