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Best TCS Data Analyst Interview Questions and Answers for 2023

U-Next

Moreover, data visualization highlights trends and outliers in an easier-to-understand format. 10 TCS Intermediate Interview Questions Listed below are some of the intermediate-level TCS Data Analyst interview questions : What is data mining? Give examples of python libraries used for data analysis?

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Apache Spark vs MapReduce: A Detailed Comparison

Knowledge Hut

Also, there is no interactive mode available in MapReduce Spark has APIs in Scala, Java, Python, and R for all basic transformations and actions. Spark supports most data formats like parquet, Avro, ORC, JSON, etc. It also supports multiple languages and has APIs for Java, Scala, Python, and R. It can also run on YARN or Mesos.

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Top 16 Data Science Specializations of 2024 + Tips to Choose

Knowledge Hut

They construct pipelines to collect and transform data from many sources. A Data Engineer is someone proficient in a variety of programming languages and frameworks, such as Python, SQL, Scala, Hadoop, Spark, etc. One of the primary focuses of a Data Engineer's work is on the Hadoop data lakes.

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Top 16 Data Science Job Roles To Pursue in 2024

Knowledge Hut

They should know SQL queries, SQL Server Reporting Services (SSRS), and SQL Server Integration Services (SSIS) and a background in Data Mining and Data Warehouse Design. They suggest recommendations to management to increase the efficiency of the business and develop new analytical models to standardize data collection.

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15+ Must Have Data Engineer Skills in 2023

Knowledge Hut

Python is ubiquitous, which you can use in the backends, streamline data processing, learn how to build effective data architectures, and maintain large data systems. Java can be used to build APIs and move them to destinations in the appropriate logistics of data landscapes.

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Java for Data Science – When & How To Use

Knowledge Hut

We are listing some of the Java and data science tools that would help you to keep a suitable interface to the production stack. The Java Virtual Machine (JVM) is especially good for documenting code that looks matching on multiple platforms and it works well the big data space.

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Best Data Science Books for Beginners and Experienced [2024]

Knowledge Hut

Mining of Massive Datasets By Jure Leskovec, Anand Rajaraman, Jeff Ullma This book will provide a comprehensive understanding of large-scale data mining and network analysis. Horstmann) Programming Scala: Scalability = Functional Programming + Objects (Author: Alex Payne and Dean Wampler) 2.