Shell yesterday’s date

The date command in SH is pretty powerful. Here’s you can get yesterday’s date - something I find myself doing frequently for things like get data from an API for the last day, etc.

$ date +%Y-%m-%d --date=yesterday
2014-02-05
 
2
Kudos
 
2
Kudos

Now read this

Hot Swapping of Tables in Hive

Here are the steps to hot swap a table in Hive when you manually load data in them. Hot Swapping the table allows you to refresh an entire table without any downtime thus making your table always available for querying. With this... Continue →