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I applied via Recruitment Consulltant and was interviewed in Aug 2023. There were 2 interview rounds.
DataWarehouse modelling involves designing the structure of the database to efficiently store and retrieve data.
Identify the business requirements and data sources
Design dimensional model using facts and dimensions
Normalize or denormalize data based on query patterns
Implement ETL processes to load data into the DataWarehouse
Consider performance optimization techniques like indexing and partitioning
I applied via Naukri.com and was interviewed in Oct 2023. There was 1 interview round.
A LinkedList is a data structure that consists of a sequence of elements where each element points to the next element in the sequence.
Each element in a LinkedList is called a node and contains a value and a reference to the next node in the sequence.
LinkedLists can be singly linked (each node points to the next node) or doubly linked (each node points to both the next and previous nodes).
Inserting and deleting element...
I applied via Referral and was interviewed in Mar 2022. There were 3 interview rounds.
Regular Business Development Procedures
I applied via Recruitment Consultant and was interviewed in Dec 2020. There were 3 interview rounds.
IQZ SYSTEMS interview questions for popular designations
I applied via Campus Placement and was interviewed before Jul 2021. There were 3 interview rounds.
In this round we have aptitude plus coding mcq questions
Here we have to write full fledge code 2 questions were there and are easy
I applied via Campus Placement and was interviewed before Jan 2021. There were 4 interview rounds.
I have worked on various technologies including Hadoop, Spark, SQL, Python, and AWS.
Experience with Hadoop and Spark for big data processing
Proficient in SQL for data querying and manipulation
Skilled in Python for data analysis and scripting
Familiarity with AWS services such as S3, EC2, and EMR
Knowledge of data warehousing and ETL processes
I applied via Walk-in and was interviewed before Feb 2020. There was 1 interview round.
I applied via Campus Placement and was interviewed before Jul 2020. There was 1 interview round.
I applied via Referral and was interviewed before Jun 2021. There were 2 interview rounds.
Spark has a master-slave architecture with a cluster manager and worker nodes.
Spark has a driver program that communicates with a cluster manager to allocate resources and schedule tasks.
The cluster manager can be standalone, Mesos, or YARN.
Worker nodes execute tasks and store data in memory or on disk.
Spark can also utilize external data sources like Hadoop Distributed File System (HDFS) or Amazon S3.
Spark supports va...
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