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ETL quiz and python questions
I applied via Campus Placement and was interviewed in Sep 2023. There were 3 interview rounds.
Group discussion was purely technical, concepts related etl, azure,big data, SQL etc.
Whoever knows the answer should raise their hands and start answering.
Top trending discussions
I applied via Referral and was interviewed in Sep 2023. There were 4 interview rounds.
There are more the 10 people in the group discussion round i was selected one of them
Azure Data Factory is a cloud-based data integration service that allows you to create, schedule, and manage data pipelines.
Azure Data Factory is used to move and transform data from various sources to destinations.
It supports data integration and orchestration of workflows.
You can create data pipelines using a visual interface or code.
It integrates with various data sources like Azure Blob Storage, SQL Database, and m
I applied via Shine and was interviewed in Mar 2024. There was 1 interview round.
MySQL is a popular open-source relational database management system.
MySQL is used for storing and managing data in a structured format.
It allows users to create, read, update, and delete data using SQL queries.
MySQL is commonly used in web applications to store user information, product data, and more.
It supports features like transactions, indexing, and replication for data consistency and reliability.
SQL is a programming language used for managing and querying relational databases.
SQL stands for Structured Query Language
Main role is to interact with databases by querying, updating, and managing data
Used to create, retrieve, update, and delete data in relational databases
Allows for data manipulation, data definition, and data control operations
Examples include SELECT, INSERT, UPDATE, DELETE statements
mongoDB is a popular NoSQL database management system.
NoSQL database
Document-oriented
Scalable and flexible
Supports dynamic schemas
Used for handling large volumes of data
PostgreSQL is an open-source relational database management system known for its robustness and extensibility.
PostgreSQL is commonly referred to as Postgres.
It is known for its ACID compliance, extensibility, and support for various data types.
PostgreSQL supports SQL and JSON querying, as well as various programming languages for stored procedures.
It is widely used in enterprise applications and web development.
Example...
I applied via Job Portal and was interviewed before Jun 2023. There was 1 interview round.
I applied via Recruitment Consulltant and was interviewed in Dec 2023. There were 3 interview rounds.
Prepare for general aptitude test
I am a data engineer with a strong background in programming and data analysis.
Experienced in designing and implementing data pipelines
Proficient in SQL, Python, and big data technologies like Hadoop and Spark
Skilled in data modeling and optimization techniques
Worked on projects involving ETL processes and data warehousing
Developed a data pipeline to ingest, clean, and analyze customer feedback data for product improvement.
Created ETL processes to extract data from various sources
Implemented data cleaning and transformation techniques
Utilized machine learning algorithms for sentiment analysis
Generated visualizations and reports for stakeholders
I was interviewed before Jul 2016.
posted on 20 Feb 2015
posted on 10 Sep 2015
I applied via PLACEMENT
based on 2 interviews
Interview experience
based on 8 reviews
Rating in categories
3-7 Yrs
Not Disclosed
4-9 Yrs
Not Disclosed
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