查看namespace
hbase(main):008:0> list_namespace
NAMESPACE
default
hbase
test
3 row(s)
Took 0.0327 seconds
default：创建表时未指定命名空间的话默认挂在default下。
查看namespace所有表
hbase(main):009:0> list_namespace_tables "test"
TABLE
test
user_table
2 row(s)
Took 0.0300 seconds
=> ["test", "user_table"]
创建namespace
hbase(main):010:0> create_namespace "test"
Took 0.2781 seconds
hbase(main):018:0> create_namespace "test", {"author"=>"test", "create_time"=>"2020-01-4 17:51:53"}
Took 0.2262 seconds
查看namespace信息
describe_namespace "test"
修改namespace
alter_namespace "test", {METHOD=>"set", "author"=>"wuzhiyong"}
alter_namespace "test", {METHOD=>"set", "email"=>"1154365135@qq.com"}
alter_namespace "test", {METHOD=>"unset", NAME=>"email"}
删除namespace
drop_namespace "test"
注意要删除的
namespace必须是空的，其下没有表，否则会删除失败.
创建表时指定namespace
create "test:user", "f"