Monthly Archive: October 2019


Impala Export to CSV

Apache Impala is an open source massively parallel processing SQL query engine for data stored in a computer cluster running Apache Hadoop. In some cases, impala-shell is installed manually...

Add constant column in spark 0

Add constant column in spark

If we want to add a column with default value then we can do in spark. In spark 2.2 there are two ways to add constant value in...

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Salesforce connector in Spark

Salesforce is a customer relationship management solution that brings companies and customers together. It’s one integrated CRM platform that gives all your departments — including marketing, sales, commerce,...