Hive is a database built on top of Hadoop and facilitates easy data summarization, ad-hoc queries, and the analysis of large datasets stored in Hadoop compatible distributed file system.
The current schema is: hive> describe tableA; OK id int ts timestamp I want to change ts column to …
hive metadataI am trying to connect to hive installed in my machine through Beeline client. when I give the 'beeline' command &…
hadoop hive beelineI have a sample application working to read from csv files into a dataframe. The dataframe can be stored to …
hadoop apache-spark hive apache-spark-sql spark-dataframeBased on the Hive doc below: Rename Table ALTER TABLE table_name RENAME TO new_table_name; This statement lets …
hadoop hive hiveqlI have configured my Hive as given on link: http://www.youtube.com/watch?v=Dqo1ahdBK_A, but I …
hive hiveql hive-metastoreIs there a Hive query to quickly find table size (i.e. number of rows) without launching a time-consuming MapReduce …
hadoop hiveAs far as I understand; sort by only sorts with in the reducer order by orders things globally but shoves …
hadoop hql hiveI have the following string representation of a timestamp in my Hive table: 20130502081559999 I need to convert it to a …
hadoop hive hiveqlI am under the impression that unix_timestamp and from_unixtime Hive functions are 'reverse' of each other. When I …
hive hiveql