HBase Common shell commands

1, view namespace

Hbase>describe_namespace ' Ai_ns '

2, List all namespace

Hbase>list_namespace,

3,<span style= "font-family: ' Microsoft Yahei '; Background-color:rgb (255, 255, 255); > Create a table under namespace </span>

Hbase>create ' ai_ns:testtable ', ' FM1 '

the management of the table
1 See what tables are available

HBase (main) > list

2) Create a table

# syntax: Create <table>, {NAME => <family>, versions => <versions>} # For example: Creating a table T1, there are two family name:f1,f2, and Number of versions are 2 hbase (main) > create ' t1 ', {NAME => ' F1 ', versions => 2},{name => ' F2 ', versions => 2}

3) Delete Table
Two steps: First disable, then drop
For example: Delete table T1

HBase (Main) > Disable ' T1 ' hbase (Main) > drop ' t1 '

4 View the structure of the table

# syntax: Describe <table> # For example: View the structure of the table T1 HBase (main) > describe ' t1 '

5) Modify Table structure
Modify table structure must first disable