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Four Vs Of Big Data

Knowledge Hut

Example of Data Variety An instance of data variety within the four Vs of big data is exemplified by customer data in the retail industry. Customer data come in numerous formats. It can be structured data from customer profiles, transaction records, or purchase history.

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Best Morgan Stanley Data Engineer Interview Questions

U-Next

The data engineering process involves the creation of systems that enable the collection and utilization of data. Analyzing this data often involves Machine Learning, a part of Data Science. What is a data warehouse? How does a data warehouse differ from a database? What is AWS Kinesis?

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What is Data Extraction? Examples, Tools & Techniques

Knowledge Hut

Goal To extract and transform data from its raw form into a structured format for analysis. To uncover hidden knowledge and meaningful patterns in data for decision-making. Data Source Typically starts with unprocessed or poorly structured data sources. Analyzing and deriving valuable insights from data.

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Deep Learning vs Machine Learning: What’s The Difference?

Knowledge Hut

Data Types and Dimensionality ML algorithms work well with structured and tabular data, where the number of features is relatively small. DL models excel at handling unstructured data such as images, audio, and text, where the data has a large number of features or high dimensionality.

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Data Lakes vs. Data Warehouses

Grouparoo

The fundamental purpose of a data warehouse is the aggregation of information from diverse sources to inform data-driven decision-making processes. What is a Data Lake? There is no processing to integrate and manage data, including quality checks or detect inconsistencies, duplications, or discrepancies.

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ELT Explained: What You Need to Know

Ascend.io

Extract The initial stage of the ELT process is the extraction of data from various source systems. This phase involves collecting raw data from the sources, which can range from structured data in SQL or NoSQL servers, CRM and ERP systems, to unstructured data from text files, emails, and web pages.

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Veracity in Big Data: Why Accuracy Matters

Knowledge Hut

Variety: Variety represents the diverse range of data types and formats encountered in Big Data. Traditional data sources typically involve structured data, such as databases and spreadsheets. Handling this variety of data requires flexible data storage and processing methods.