Syniti Data Operator Interview Questions and Answers

It was a written test where theoretical SQL questions were asked like primary key, foreign key, set operators and some queries

Q1. All SQL Concepts like Join, normalization, trigger, stored procedure, keys, drop truncate del difference, where having difference, Aggregate scaler window functions, fetch duplicate records query, acid pro...read more
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Q1. Self Introduction
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Q2. Salary Expectation
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Q1. 14 questions in excel formulas
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Object Detection on a subset of COCO dataset having Cars and Person classes

Q1. Technical discussion on Machine Learning, Deep Learning Concepts and coding round.
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Q1. Technical discussion on Deep Learning and Computer Vision.
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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?
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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?
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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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Q1. Tell me about yourself?
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Q2. What are your strengths and weaknesses?
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Q1. Related to data warehouse
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Q1. Python, data warehouse, data modelling
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