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Month: June 2019
History of Data Mining One of the first articles to use the phrase "data mining" was published by Michael C. Lovell in 1983. At the time, Lovell and many other economists took a fairly negative view of the practice, believing that statistics could lead to incorrect conclusions when not informed by knowledge of the subject … Continue reading What Is Data Mining?
I stressed the need for a modern data architecture (MDA) to underpin the next generation of the cognitive enterprise, fully harness data using the latest technologies, and sustain a platform-centric business model that supports people, process and technology optimized around business goals. This MDA journey starts with a holistic, business-driven modern data strategy that will … Continue reading Unleash the power of data with a modern data strategy
HBase architecture always has "Single Point Of Failure" feature, and there is no exception handling mechanism associated with it. Performance Bottlenecks in HBase In any production environment, HBase is running with a cluster of more than 5000 nodes, only Hmaster acts as the master to all the slaves Region servers. If Hmaster goes down, it … Continue reading HBase Advantage, Limitations & Performance Bottleneck
Data scientists are one of the most valuable teams a company can have. But some businesses overlook how important it is to equip their data scientists with the tools that can help them unlock value from data. In particular, it is essential that companies remain adaptive and agile when taking in vast amounts of unstructured … Continue reading How a data warehouse appliance can help your data scientists deliver insights faster
What is a View? Views are similar to tables, which are generated based on the requirements. We can save any result set data as a view in Hive Usage is similar to as views used in SQL All type of DML operations can be performed on a view Creation of View: Syntax: Create VIEW < … Continue reading Hive Indexes and View with Example
What is Database? A database is a collection of related data which represents some elements of the real world. It is designed to be built and populated with data for a specific task. It is also a building block of your data solution. What is a Data Warehouse? A data warehouse is an information system … Continue reading Database vs Data Warehouse: Key Differences
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