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MyISAM vs. InnoDB, and how to switch engines on existing tables

Summary: MyISAM is better for selects InnoDB is better for inserts and updates To switch your table to MyISAM: ALTER TABLE table_name...

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Pig Error -> ERROR 1070: Could not resolve count using imports

Or: ERROR 1070: Could not resolve sum using imports COUNT() and SUM() are case sensitive, you need to capitalize...

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How to kill a hadoop job

Hadoop job -list List running hadoop jobs and their job ids. Hadoop job –kill...