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Snowflake uses a caching mechanism to improve query performance by storing frequently accessed data in memory.
Snowflake uses a two-tier caching mechanism - local and global cache.
Local cache stores data at the virtual warehouse level for faster access.
Global cache stores data across virtual warehouses for shared access.
Caching helps reduce the need to access data from storage, improving query performance.
I applied via LinkedIn and was interviewed in May 2024. There were 2 interview rounds.
Aptitude Test on Qliksense and SQL
Explain types loads in Qliksense, How to optimize script in Qliksense
What people are saying about LTIMindtree
I applied via Referral and was interviewed in Mar 2024. There was 1 interview round.
LTIMindtree interview questions for designations
I applied via Naukri.com and was interviewed in Apr 2024. There were 2 interview rounds.
Just like other aptitude experience
A bit hard but can be cracked
Get interview-ready with Top LTIMindtree Interview Questions
I applied via LinkedIn and was interviewed in Jun 2023. There were 3 interview rounds.
Day to day activities in a data engineering project involve data collection, processing, analysis, and maintenance.
Collecting and storing data from various sources
Cleaning and transforming data for analysis
Building and maintaining data pipelines
Collaborating with data scientists and analysts
Monitoring and optimizing data infrastructure
Implementing data security and privacy measures
I applied via LinkedIn and was interviewed in Jan 2024. There was 1 interview round.
Spark internal mechanism involves Directed Acyclic Graph (DAG) for task execution. Tasks are units of work performed on data.
Spark uses DAG to represent the logical flow of operations in a job
DAG is a series of vertices and edges where vertices represent RDDs and edges represent operations to be applied on RDDs
Tasks are individual units of work within a stage, executed on a partition of data
Tasks are scheduled by the S...
Some of the top questions asked at the LTIMindtree Data Engineer interview -
The duration of LTIMindtree Data Engineer interview process can vary, but typically it takes about less than 2 weeks to complete.
based on 68 interviews
4 Interview rounds
based on 339 reviews
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