Amtex Systems Data Engineer Interview Questions and Answers

Q1. Explain process in adf
Ans. 
ADF stands for Azure Data Factory, a cloud-based data integration service that allows you to create, schedule, and manage data pipelines.
• ADF allows you to create data-driven workflows for orchestrating and automating data movement and data transformation.

• You can use ADF to ingest data from various sources, process and transform the data, and then publish the data to different destinations.

• ADF supports a wide range of d...read more
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Q1. Tell us about yourself?
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Q2. What are joins in sql?
Ans. 
Joins in SQL are used to combine data from two or more tables based on a related column.
• Joins are used to retrieve data from multiple tables in a single query

• Common types of joins include inner join, left join, right join, and full outer join

• Join conditions are specified using the ON keyword and a related column in each table

• Example: SELECT * FROM table1 INNER JOIN table2 ON table1.column = table2.column
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Q3. Have you done any SQL projects?
Ans. 
Yes, I have worked on several SQL projects.
• Developed a database for a retail company to manage inventory and sales data using SQL Server

• Created complex queries to extract data from multiple tables for a financial services firm

• Optimized database performance by indexing and partitioning tables for a healthcare organization
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Q4. How will you remove duplicates in SQL?
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Duplicates can be removed in SQL using DISTINCT keyword or GROUP BY clause.
• Use DISTINCT keyword to select unique values from a single column.

• Use GROUP BY clause to group rows with same values and select unique values from multiple columns.

• Use HAVING clause to filter out groups with count greater than 1.

• Use INNER JOIN to join tables and select unique values from multiple tables.

• Use ROW_NUMBER() function to assign a uniq...read more
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Q5. Are you a team player or an individual contributor?
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Q1. Would you be comfortable working from Bangalore office?
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Basic self quotation

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Q1. Tell about your self
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Q1. Tell about yourself
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Q2. What is your collage story
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Q3. Family backgrond
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Q4. Tell your love story
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Q1. Questions about C# language features
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Q2. Azure functions and other services
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Q1. DevOps concepts
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Q2. Angular basics
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Q1. Project related question
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Q1. Scenario based question
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Q1. Salary discussion
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Q1. Basic to medium questions related to DotNet Core MVC, SQL Server, etc
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Q1. Completely unprofessional behavior of the interviewer. - No Introduction Direct start asking questions. - Asking too many misleading questions (First ask what you worked on, then ask did you heard about th...read more
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Q1. Different between OLAP and OLTP
Ans. 
OLAP is used for analyzing historical data while OLTP is used for managing real-time transactional data.
• OLAP stands for Online Analytical Processing, used for data analysis and reporting.

• OLTP stands for Online Transactional Processing, used for managing real-time transactional data.

• OLAP databases are optimized for read-heavy workloads and complex queries.

• OLTP databases are optimized for write-heavy workloads and simple...read more
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Q1. Go Lang related questions
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Q2. System architecture
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