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Spark Lazy Evaluation

Today we will learn about Spark Lazy Evaluation. We will learn about what it is, why is it required, how spark implements them, and what […]

HDFS Data Blocks and Block Size

When a file is stored in HDFS, Hadoop breaks the file into BLOCKS before storing them. What this means is, when you store a file […]


If you want to display all the Partitions of a HIVE table you can do that using SHOW PARTITIONS command. If you want to learn […]

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