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  • Big data processing with Apache Spark
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    This document mainly talks about using Apache Spark for big data processing - Part 1: Getting Started; Apache Spark is a big data processing framework built around speed, ease of use and complex analysis. It was originally developed by AMPLab at the University of California, Berkeley, in 2009, and became one of Apache's open source projects in 2010. In this first part of the Apache Spark article series, we will learn what Spark is, how it differs from typical Map
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  • hive function encyclopedia Chinese WORD version
    hive function encyclopedia Chinese WORD version
    This document describes the hive function in detail; it is relatively comprehensive and I hope it will be helpful to everyone's study; interested friends can come and take a look at the catalog 1. Relational operations: 4 1. Comparison of equal values: = 4 2. Comparison of unequal values : 4 3. Less than comparison: < 4 4. Less than or equal to comparison: 5 6. Greater than or equal to comparison: >= 5 7. NULL value judgment: IS NULL 5 8. Non-null value judgment: IS NOT NULL 6 9. LIKE comparison: LIKE 6 10.J
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