1 status
例如：显示服务器状态
2.4.1 :062 > status 1 active master, 0 backup masters, 3 servers, 0 dead, 1.0000 average load Took 0.0034 seconds
2 whoami
显示HBase当前用户，例如：
2.4.1 :066 > whoami root (auth:SIMPLE) groups: root Took 0.0080 seconds
3 list
显示当前所有的表
2.4.1 :067 > list TABLE ORDER_INFO 1 row(s) Took 0.0266 seconds => ["ORDER_INFO"]
4 count
统计指定表的记录数，例如：
2.4.1 :070 > count 'ORDER_INFO' 66 row(s) Took 0.0404 seconds => 66
5 describe
展示表结构信息
2.4.1 :074 > describe 'ORDER_INFO' Table ORDER_INFO is ENABLED ORDER_INFO COLUMN FAMILIES DESCRIPTION {NAME => 'C1', VERSIONS => '1', EVICT_BLOCKS_ON_CLOSE => 'false', NEW_VERSION_BEHAVIOR => 'false', KEEP_DELETED_CELLS => 'FALSE', CACHE_DATA_ON_WRITE = > 'false', DATA_BLOCK_ENCODING => 'NONE', TTL => 'FOREVER', MIN_VERSIONS => '0', REPLICATION_SCOPE => '0', BLOOMFILTER => 'ROW', CACHE_INDEX_ON_WRITE = > 'false', IN_MEMORY => 'false', CACHE_BLOOMS_ON_WRITE => 'false', PREFETCH_BLOCKS_ON_OPEN => 'false', COMPRESSION => 'NONE', BLOCKCACHE => 'true', BLO CKSIZE => '65536'} 1 row(s) Took 0.0265 seconds
6 exists
检查表是否存在，适用于表量特别多的情况
2.4.1 :075 > exists 'ORDER_INFO' Table ORDER_INFO does exist Took 0.0050 seconds => true
7 is_enabled、is_disabled
检查表是否启用或禁用
2.4.1 :077 > is_enabled 'ORDER_INFO' true Took 0.0058 seconds => true 2.4.1 :078 > is_disabled 'ORDER_INFO' false Took 0.0085 seconds => 1
8 alter
该命令可以改变表和列蔟的模式，例如：
# 创建一个 USER_INFO 表，两个列蔟 C1、C2 create 'USER_INFO', 'C1', 'C2' # 新增列蔟 C3 alter 'USER_INFO', 'C3' # 删除列蔟 C3 alter 'USER_INFO', 'delete' => 'C3'
注意：
⚫ ‘delete’ => ‘C3’，还是一个Map结构，只不过只有一个key，可以省略两边的{}
9 disable/enable
禁用一张表/启用一张表
10 drop
删除一张表，记得在删除表之前必须先禁用
11 truncate
清空表的数据，禁用表-删除表-创建表
