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Python has various data structures like lists, tuples, dictionaries, sets, etc.
Lists: Ordered, mutable, allows duplicate elements. Example: [1, 2, 3]
Tuples: Ordered, immutable, allows duplicate elements. Example: (1, 2, 3)
Dictionaries: Unordered, mutable, key-value pairs. Example: {'key': 'value'}
Sets: Unordered, mutable, unique elements. Example: {1, 2, 3}
Hadoop is a framework for distributed storage and processing of large data sets across clusters of computers.
Hadoop consists of HDFS (Hadoop Distributed File System) for storage and MapReduce for processing.
Hadoop uses a master-slave architecture with a single NameNode (master) and multiple DataNodes (slaves).
Hadoop ecosystem includes tools like Hive, Pig, Spark, and HBase for different data processing tasks.
Hadoop is ...
I applied via Campus Placement and was interviewed before Apr 2023. There were 2 interview rounds.
Its consists of total 50 mcq questions.
I applied via Campus Placement and was interviewed in Dec 2022. There were 4 interview rounds.
Python, SQL, Word, Powe point and Excel
I worked on a project to clean dirty data
Identify and understand the data quality issues
Remove duplicate records
Handle missing values by imputation or deletion
Standardize and normalize data formats
Correct inconsistent or inaccurate data
Validate data against predefined rules or constraints
Perform data profiling and outlier detection
Implement data validation checks during data ingestion
Use data cleaning tools and techniq...
I was interviewed in Aug 2021.
Shuffling can be reduced by optimizing data partitioning and minimizing data movement.
Use partitioning techniques like bucketing and sorting to minimize shuffling
Avoid using wide transformations like groupBy and join
Use broadcast variables to reduce data movement
Optimize cluster configuration and resource allocation
Use caching and persistence to avoid recomputation
Consider using columnar storage formats like Parquet or
TVS Motor interview questions for designations
Top trending discussions
I applied via Recruitment Consulltant and was interviewed before Feb 2021. There was 1 interview round.
I applied via Recruitment Consulltant and was interviewed before Feb 2021. There was 1 interview round.
CFMEA stands for Control Failure Mode and Effects Analysis.
CFMEA is a systematic approach used to identify and mitigate potential failures in a process or system.
It involves analyzing failure modes, their causes, and the potential effects on the process or system.
CFMEA helps in prioritizing and implementing control measures to prevent or minimize failures.
It is commonly used in industries such as manufacturing, automot...
System level DFMEA is given main preference.
System level DFMEA considers the entire system and its interactions.
Component level DFMEA focuses on individual components.
System level DFMEA is more comprehensive and effective in identifying potential failures.
Example: In automotive industry, system level DFMEA would consider the entire vehicle and its subsystems.
Example: In medical devices, system level DFMEA would conside...
I applied via Campus Placement and was interviewed before Jul 2020. There was 1 interview round.
I applied via Naukri.com and was interviewed in Nov 2022. There were 3 interview rounds.
Real time application refers to software that processes data as it is received, providing immediate results.
Real time applications require fast processing and low latency
Examples include stock trading platforms, traffic monitoring systems, and online gaming
Real time applications often rely on event-driven architecture and streaming data processing
Real time applications can be challenging to develop and require careful
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