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Big Data - HBASE

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Lesson Description


Lession - #876 HBase Drop a Table


Drop

Dropping a Table utilizing HBase Shell

Using the drop command, you can erase a table. Prior to dropping a table, you need to disable it.



Confirm whether the table is erased using the exists command.



drop_all

This command is utilized to drop the tables matching the "regex" provided in the order. Its syntax is as per the following:

Note: Before dropping a table, you should disable it.

Deleting a Table Using Java API
You can delete a table utilizing the deleteTable(>
strategy in the HBaseAdmin class. Follow the means given below to erase a table utilizing java API.

Stage 1
Instantiate the HBaseAdmin class.



Stage 2
Disable the table utilizing the disableTable(>
strategy for the HBaseAdmin class.



Stage 3
Presently erase the table utilizing the deleteTable(>
strategy for the HBaseAdmin class.



Given b elow is the finished java program to erase a table in HBase.



compile and execute the above program as displayed below.



The following should be the result: