Senior Developer Analyst

Senior Developer Analyst Interview Questions and Answers

Updated 6 Nov 2024

Q1. (live coding) Create a class Employees with fields FirstName LastName, DoB, and Gender Return avg age of employees, return avg age by genders

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Create a class Employees with fields FirstName LastName, DoB, and Gender. Return avg age of employees and avg age by genders.

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Yes, I have read SQL Execution Plans to optimize query performance.

I have analyzed SQL Execution Plans to identify bottlenecks in queries.
I have used SQL Execution Plans to optimize query performance by understanding how the database engine executes queries.
I have made query optimization recommendations based on SQL Execution Plans.
I have experience with tools like SQL Server Management Studio to view and analyze Execution Plans.

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Types of indexes include clustered, non-clustered, unique, composite, and filtered indexes.

Clustered index: Physically reorders the data in the table based on the index key.
Non-clustered index: Contains a sorted list of references to the table data rows.
Unique index: Ensures that no two rows have the same values in the indexed columns.
Composite index: Index that is created on multiple columns.
Filtered index: Index that includes only a subset of rows based on a filter conditio...read more

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YAML pipeline for setting up building

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Optimizing SQL queries involves using indexes, minimizing data retrieval, avoiding unnecessary joins, and optimizing query structure.

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I am familiar with design patterns such as Singleton, Factory, Observer, and MVC.

Singleton pattern ensures a class has only one instance and provides a global point of access to it.
Factory pattern creates objects without specifying the exact class of object that will be created.
Observer pattern defines a one-to-many dependency between objects so that when one object changes state, all its dependents are notified and updated automatically.
MVC (Model-View-Controller) pattern se...read more

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Installation of agent and agent groups

Agents are installed on servers to collect data and send it to a central location
Agent groups are used to organize agents based on their function or location
Agents can be installed manually or through automated deployment tools
Agent groups can be created and managed through the monitoring software
Proper naming conventions should be used for agents and agent groups