Please, can you clarify how to display the current date in Hive?
I tried current_date() and get the following error.
FAILED: SemanticException [Error 10011]: Line 1:36 Invalid function "current_date"
Try this instead:
If you have an older version, current_date() won't work.
Impala provides faster response as it uses MPP(massively ...READ MORE
Well, what you can do is use ...READ MORE
For Hadoop installation, I would recommend you ...READ MORE
Partition divides large amount of data into ...READ MORE
Firstly you need to understand the concept ...READ MORE
org.apache.hadoop.mapred is the Old API
org.apache.hadoop.mapreduce is the ...READ MORE
put <localSrc> <dest>
copyFr ...READ MORE
In your case there is no difference ...READ MORE
You could probably best use Hive's built-in sampling ...READ MORE
Below is also a way for Pivot
SELECT ...READ MORE