HBase Clients - HBase Essentials - page 93

Data manipulation commands
The following table shows the list of frequently used data manipulation commands
that can be used from the HBase shell:

Command Description

put Stores a cell

scan Scans a range of rows

get Retrieves a cell

truncate

Truncates a table; this command is a combination of the
disable and drop commands

delete Deletes a cell

deleteall Deletes an entire family or row

count Counts the rows in a table

incr Increments a counter

Data-handling tools
The following table shows the list of frequently used data-handling administrative
tools that can be used from the HBase shell:

Command Description

assign Assigns a region to a server

balancer Starts the balancer

compact Starts the asynchronous compaction of a region or table

flush Starts the asynchronous flush of a region or table

move Moves a region to a different region server

split Splits a region or table

For detailed help on any command, type help '<command>' , as shown in the
following command:

hbase(main):003:0> help 'create'
Creates a table. Pass a table name, and a set of column family
specifications (at least one), and, optionally, table configuration.
Column specification can be a simple string (name), or a dictionary
(dictionaries are described below in main help output), necessarily
including NAME attribute. Examples: