Tag: hive

How to deploy a cluster

Zunaira Jamil, Pythian co-op student in our big data practice, walks you through her lessons learned and solutions when installing a cluster using Cloudera manager for the first time.

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Recursion in Hive – part 1

In Part 1 of this series, Valentin Nikotin, will teach you about migrating from RDBMS to Hive, while maintaining the simplicity and flexibility of a SQL approach.

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Log Buffer #428: a carnival of the vanities for DBAs

The Log Buffer Edition once again is sparkling with some gems, hand-picked from Oracle, SQL Server and MySQL.

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Calculating business days in HiveQL

One of the common tasks in data processing is to calculate the number of days between two given dates. You can easily achieve this by using Hive DATEDIFF function. You can also get weekday number by using this more obscure…

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