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Re: External Table Question - Hive - [mail # user]
...Hi George  Your understanding is right.   If your data has more columns that those defined for the table, the rest of columns at the end in your data won't be considered.  Als...
   Author: Bejoy KS, 2012-07-16, 20:09
Re: unable to view the data in the hive tables - Hive - [mail # user]
...Hi Shaik  What is your metastore db? If it is the default derby db, please ensure that you have the right permissions on the directory. If you had made any permission changes recently, ...
   Author: Bejoy KS, 2012-07-16, 07:54
Re: unable to create external table plz corrrect the syntax - Hive - [mail # user]
...Hi shaik  Step 1 Create an external table with the desired location in hdfs. Your data files for the hive table will be stored in this location/directory in hdfs.  Step 2 Now use t...
   Author: Bejoy KS, 2012-07-12, 07:09
[expand - 2 more] - Re: hi all - Hive - [mail # user]
...Hi Shaik  If you already have the data in hdfs then just create an External Table with that hdfs location. You'll have the data in your hive table.  Or if you want to have a manage...
   Author: Bejoy KS, 2012-07-11, 14:47
Re: Specify per-query configuration via a file - Hive - [mail # user]
...Hi Jie  You can set any  properties using Hive> SET property.name=value; Anywhere in a hive session.  Similarly in a file you can set all the required properties before the...
   Author: Bejoy KS, 2012-07-08, 05:43
Re: How to list all views - Hive - [mail # user]
...Hi Stephen  You can see the views as well along with tables using the  Show tables;  command. From: Stephen R. Scaffidi To: [EMAIL PROTECTED] ReplyTo: [EMAIL PROTECTED] ReplyT...
   Author: Bejoy KS, 2012-07-05, 15:14
Re: Hi - Hive - [mail # user]
...Hi Shaik  Updates are not supported in hive. Still you can accomplish updates by over writing either a whole table or a partition.   In short updates are not directly supported in ...
   Author: Bejoy KS, 2012-07-04, 11:03
Re: Hive upload - Hive - [mail # user]
...Hi Yogesh  The first issue (sqoop one). 1) Is the table newhive coming when you list tables using 'show table'? 2) Are you seeing a directory 'newhive' in your hive warte house dir(usua...
   Author: Bejoy KS, 2012-07-04, 05:58
Re: Hive insert into - Hive - [mail # user]
...Hi Abhi  When you say INSERT INTO in hive it needn't be a file append. In hive the data corresponding to a table/partition is in a directory, data is stored as one or more files within ...
   Author: Bejoy KS, 2012-07-04, 05:35
[expand - 3 more] - Re: Obvious and not so obvious query optimzations in Hive - Hive - [mail # user]
...Hi Richin  The Keys vary based on your queries on the same table. You can always see how your query will be parsed to map reduce jobs using EXPLAIN Statement. It'll give you which colum...
   Author: Bejoy KS, 2012-06-28, 20:12
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