28 Oct 2020
You can generate SURROGATE_KEY by apache spark to automatically generate numerical Ids for rows as you enter data into a table.
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25 Oct 2020
Apache Spark already performs data processing in parallel. Spark runs multiple tasks among each executor to achieve parallelism, however, it is not true at job level.
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26 Jul 2020
Scala allows defining multiple parameter lists on methods and classes.
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17 Jul 2020
A function is called Higher Order Function if it contains other functions as a parameter or returns a function as an output.
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15 Jul 2020
A trait provides code reusability in Scala by offering the possibility of mixing it into classes thus allowing code reusability.
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