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Infinite Computer Solutions
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I applied via Approached by Company and was interviewed in Sep 2023. There were 3 interview rounds.
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Databricks is a unified analytics platform that provides a collaborative environment for data scientists, engineers, and analysts.
Databricks is built on top of Apache Spark, providing a unified platform for data engineering, data science, and business analytics.
Internals of Databricks include a cluster manager, job scheduler, and workspace for collaboration.
Optimization techniques in Databricks include query optimizati...
I have worked with Azure Data Factory, Azure Databricks, and Azure SQL Database.
Azure Data Factory for data integration and orchestration
Azure Databricks for big data processing and analytics
Azure SQL Database for relational database management
I applied via Job Portal and was interviewed in Aug 2024. There were 3 interview rounds.
Its mandatory test even for experience people
Window functions in SQL are used to perform calculations across a set of table rows related to the current row.
Window functions are used to calculate values based on a specific subset of rows within a table.
They allow for ranking, aggregation, and other calculations without grouping the rows.
Examples of window functions include ROW_NUMBER(), RANK(), and SUM() OVER().
Delta Lake is an open-source storage layer that brings ACID transactions to Apache Spark and big data workloads.
Delta Lake is built on top of Apache Spark and provides ACID transactions for big data processing.
It allows for schema enforcement and evolution, data versioning, and time travel queries.
Delta Lake is compatible with popular data science and machine learning libraries like TensorFlow and PyTorch.
I applied via Naukri.com and was interviewed in Jan 2024. There was 1 interview round.
I applied via Naukri.com and was interviewed in Mar 2021. There were 6 interview rounds.
EMR is a managed Hadoop framework for processing large amounts of data, while EC2 is a scalable virtual server in AWS.
EMR stands for Elastic MapReduce and is a managed Hadoop framework for processing large amounts of data.
EC2 stands for Elastic Compute Cloud and is a scalable virtual server in Amazon Web Services (AWS).
EMR allows for easy provisioning and scaling of Hadoop clusters, while EC2 provides resizable compute...
I have experience working with both Star and Snowflake schemas in my projects.
Star schema is a denormalized schema where one central fact table is connected to multiple dimension tables.
Snowflake schema is a normalized schema where dimension tables are further normalized into sub-dimension tables.
Used Star schema for simpler, smaller datasets where performance is a priority.
Used Snowflake schema for complex, larger dat...
Yes, I have used Python and PySpark in my projects for data engineering tasks.
I have used Python for data manipulation, analysis, and visualization.
I have used PySpark for big data processing and distributed computing.
I have experience in writing PySpark jobs to process large datasets efficiently.
Yes, I have experience with serverless schema.
I have worked with AWS Lambda to build serverless applications.
I have experience using serverless frameworks like Serverless Framework or AWS SAM.
I have designed and implemented serverless architectures using services like AWS API Gateway and AWS DynamoDB.
I applied via Approached by Company and was interviewed in Jan 2024. There were 3 interview rounds.
based on 3 interviews
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