Changes between Version 9 and Version 10 of NCHCCloudCourse100929_2_USE

Timestamp:

Sep 29, 2010, 1:00:15 PM (15 years ago)

Author:

jazz

Comment:

--

NCHCCloudCourse100929_2_USE

@@ -29 +29 @@
 }}}
 
+ = 查詢 Table 欄位 =
+
+{{{
+hbase(main):> describe 't1'
+}}}
+
+執行結果參考 
+
+{{{
+#!text
+hbase(main):> describe 't1'
+DESCRIPTION                                                             ENABLED                               
+ {NAME => 't1', FAMILIES => [{NAME => 'f1', COMPRESSION => 'NONE', VERS true                                  
+ IONS => '3', TTL => '2147483647', BLOCKSIZE => '65536', IN_MEMORY => '                                       
+ false', BLOCKCACHE => 'true'}, {NAME => 'f2', COMPRESSION => 'NONE', V                                       
+ ERSIONS => '3', TTL => '2147483647', BLOCKSIZE => '65536', IN_MEMORY =                                       
+ > 'false', BLOCKCACHE => 'true'}, {NAME => 'fn', COMPRESSION => 'NONE'                                       
+ , VERSIONS => '3', TTL => '2147483647', BLOCKSIZE => '65536', IN_MEMOR                                       
+ Y => 'false', BLOCKCACHE => 'true'}]}                                                                        
+1 row(s) in 0.0170 seconds
+}}}
+
+
  = 加入cell-value = 
 
 需先擁有表 t1 與column-family : f1
+並且加入一個 column-quantifier c1 
  
 {{{
-hbase(main):>   put 't1', 'r1', 'f1:c1', 'value'    
+hbase(main):>   put 't1', 'r1', 'f1', 'v1'    
+hbase(main):>   put 't1', 'r1', 'f1:c1', 'v2'    
+}}}
+
+{{{
+#!html
+<table border='1'>
+<tr><td colspan='3'>Table: 't1'</td></tr>
+<tr><td>row-key</td><td colspan='2'>column-family : 'f1'</td></tr>
+<tr><td></td><td>column-quantifier: *</td><td>'c1'</td></tr>
+<tr><td>r1</td><td>v1</td><td><td></tr>
+<tr><td>r1</td><td></td><td>v2<td></tr>
+</table>
 }}}
 
@@ -50 +86 @@
 #!text
 COLUMN                          CELL                                                                             
- f1:c1                          timestamp=1285041409509, value=value                                             
+ f1:c1                 timestamp=1285041409509, value=value
    }}}