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Delta Lake is an open-source storage layer that brings ACID transactions to Apache Spark and big data workloads.
Delta Lake provides ACID transactions, scalable metadata handling, and unifies streaming and batch data processing.
It stores data in Parquet format and uses a transaction log to keep track of all the changes made to the data.
Delta Lake architecture includes a storage layer, a transaction log, and a metadata l...
Activities in ADF refer to the tasks or operations that can be performed in Azure Data Factory.
Activities can include data movement, data transformation, data processing, and data orchestration.
Examples of activities in ADF are Copy Data activity, Execute Pipeline activity, Lookup activity, and Web activity.
Activities can be chained together in pipelines to create end-to-end data workflows.
Each activity in ADF has prop...
Mounting process in Databricks allows users to access external data sources within the Databricks environment.
Mounting allows users to access external data sources like Azure Blob Storage, AWS S3, etc.
Users can mount a storage account to a Databricks File System (DBFS) path using the Databricks UI or CLI.
Mounted data can be accessed like regular DBFS paths in Databricks notebooks and jobs.
Blob storage is for unstructured data, while Data Lake is for structured and unstructured data with metadata.
Blob storage is optimized for storing large amounts of unstructured data like images, videos, and backups.
Data Lake is designed to store structured and unstructured data with additional metadata for easier organization and analysis.
Blob storage is typically used for simple storage needs, while Data Lake is used ...
I applied via Walk-in and was interviewed in Sep 2024. There was 1 interview round.
I am a dedicated and detail-oriented analyst with a strong background in data analysis and problem-solving.
I have a Bachelor's degree in Statistics from XYZ University.
I have experience working with various data analysis tools such as Excel, SQL, and Tableau.
I have successfully led projects to improve efficiency and accuracy in data reporting.
I am skilled in identifying trends and patterns in data to provide valuable i
Fidelity National Financial interview questions for popular designations
I applied via Campus Placement
Average aptitude and some coding questions - medium level
Questions and answers related to all mathematics topics.
I applied via Campus Placement
I applied via Naukri.com and was interviewed before Jun 2021. There were 2 interview rounds.
I applied via Naukri.com and was interviewed before Jan 2023. There were 3 interview rounds.
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Bangalore / Bengaluru
1-5 Yrs
Not Disclosed
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