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Spark performance tuning methods involve optimizing resource allocation, data partitioning, and caching.
Optimize resource allocation by adjusting memory and CPU settings in Spark configurations.
Partition data effectively to distribute work evenly across nodes.
Utilize caching to store intermediate results in memory for faster access.
Use broadcast variables for small lookup tables to reduce shuffle operations.
Monitor and...
Use Pyspark to remove regex characters from column values
Use the regexp_replace function in Pyspark to remove regex characters from column values
Specify the regex pattern to match and the replacement string
Apply the regexp_replace function to the desired column in the DataFrame
I have experience working as a Data Engineer at XYZ Company for 2 years.
Developed ETL pipelines to extract, transform, and load data from various sources
Optimized database performance and implemented data quality checks
Collaborated with cross-functional teams to design and implement data solutions
Top trending discussions
I applied via Naukri.com and was interviewed in Jul 2024. There were 2 interview rounds.
There are three types of integration runtime: Self-hosted, Azure, and SSIS
Self-hosted integration runtime is installed on a local machine or a virtual machine within an on-premises network
Azure integration runtime is managed by Azure Data Factory and runs in the Azure cloud
SSIS integration runtime is used to run SQL Server Integration Services packages in Azure Data Factory
There are two types of triggers in Azure Data Factory: Schedule-based triggers and Event-based triggers.
Schedule-based triggers are based on a time schedule and can be set to run at specific intervals.
Event-based triggers are triggered by events such as the completion of a pipeline run or the arrival of new data.
Triggers can be used to automate the execution of pipelines in Azure Data Factory.
I chose Accenture for its reputation, global presence, and opportunities for growth.
Accenture is a renowned company known for its innovative solutions and cutting-edge technology.
The global presence of Accenture provides opportunities to work on diverse projects and collaborate with experts from around the world.
Accenture offers ample opportunities for career growth and development through training programs and mentors...
I applied via LinkedIn and was interviewed before Apr 2023. There were 2 interview rounds.
MCQ based technical questions they have asked. Covering most of the basic abinitio components
I applied via Campus Placement and was interviewed before Aug 2022. There were 5 interview rounds.
Aptitude Questions related to Basic Quanitative aptitue, psuedo code snippets,Computer Fundamental Questions, Related to Operating System
There are 3 coding question
1.Easy (Related to Arrays)
2.Medium(String related questions)
3.Medium(Stack related questions)
Display in Databricks is used to visualize data in a tabular format or as charts/graphs.
Display function is used to show data in a tabular format in Databricks notebooks.
It can also be used to create visualizations like charts and graphs.
Display can be customized with different options like title, labels, and chart types.
To create a workflow in Databricks, use Databricks Jobs or Databricks Notebooks with scheduling capabilities.
Use Databricks Jobs to create and schedule workflows in Databricks.
Utilize Databricks Notebooks to define the workflow steps and dependencies.
Leverage Databricks Jobs API for programmatic workflow creation and management.
Use Databricks Jobs UI to visually design and schedule workflows.
Integrate with Databricks D
I applied via LinkedIn and was interviewed in Mar 2024. There were 3 interview rounds.
It was on cypher query language for me
Neo4J is a graph database management system that stores data in nodes and relationships.
Uses graph structures to represent and store data
Nodes represent entities and relationships represent connections between entities
Supports ACID transactions for data consistency
Query language is Cypher
posted on 4 Mar 2024
I applied via Referral
posted on 7 Oct 2023
Basic DP, Array Questions
I applied via Naukri.com and was interviewed in Apr 2023. There were 2 interview rounds.
I applied via Referral and was interviewed in Jul 2022. There were 3 interview rounds.
I done very well. Attended all the questions..
The discussion went really nice, we shared our thoughts on the topic which was given by HR..
based on 1 interview
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