Drop or Delete Hive Partition You can use ALTER TABLE with DROP PARTITION option to drop a partition for a table. ALTER TABLE some_table DROP IF EXISTS PARTITION(year = 2012); This command will remove the data and metadata for this partition. The drop partition will actually move data to the .Click to see full answer. Considering this, does drop partition delete data?2 Answers. Partitioning scheme is not data. Data itself are stored in files in the partition location(folder). If you drop partition of external table, the location remain untouched, but unmounted as partition (metadata about this partition is deleted).Also Know, how does partitioning help in hive? Hive – Partitioning. Hive organizes tables into partitions. It is a way of dividing a table into related parts based on the values of partitioned columns such as date, city, and department. Using partition, it is easy to query a portion of the data. Also to know is, how can I see partitions in hive? You can see Hive MetaStore tables,Partitions information in table of “PARTITIONS”. You could use “TBLS” join “Partition” to query special table partitions.What are partitions in hive?Hive Partitions is a way to organizes tables into partitions by dividing tables into different parts based on partition keys. Partition is helpful when the table has one or more Partition keys. Such that each state data can be viewed separately in partitions tables.
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