Changes between Version 13 and Version 14 of NCHCCloudCourse100929_2_USE

Timestamp:

Sep 29, 2010, 1:23:35 PM (14 years ago)

Author:

jazz

Comment:

--

NCHCCloudCourse100929_2_USE

@@ -115 +115 @@
 }}}
 
-執行結果：會把 row-key 是 'r1' 的所有紀錄。此時資料表 't1' 會變成如下表所示。
+執行結果：會把 row-key 是 '!r1' 的所有紀錄。此時資料表 't1' 會變成如下表所示。
 {{{
 hbase(main):017:0> scan 't1'                 
@@ -138 +138 @@
 {{{
 hbase(main):>   disable 't1'
-hbase(main):>   alter 't1', {NAME => 'f1'}
+hbase(main):>   alter 't1', {NAME => 'f3'}
 hbase(main):>   enable 't1'
 }}}    
 
+執行結果：多了一個 column-family 'f3' 可以用 describe 指令查詢，結果示意如下表：
+
+{{{
+hbase(main):021:0> 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 => 'f3', VERSIONS => '3', COMP                                       
+ RESSION => 'NONE', TTL => '2147483647', BLOCKSIZE => '65536', IN_MEMOR                                       
+ Y => 'false', BLOCKCACHE => 'true'}, {NAME => 'fn', COMPRESSION => 'NO                                       
+ NE', VERSIONS => '3', TTL => '2147483647', BLOCKSIZE => '65536', IN_ME                                       
+ MORY => 'false', BLOCKCACHE => 'true'}]}
+}}}
+
+
+{{{
+#!html
+<table border='1'>
+<tr><td colspan='8'>Table: 't1'</td></tr>
+<tr><td rowspan='2'>row-key</td><td colspan='2'>'f1'</td><td colspan='2'>'f2'</td><td bgcolor='red'>'f3'</td><td>'fn'</td><td>column-family</td></tr>
+<tr><td>*</td><td>'c1'</td><td>*</td><td>'c2'</td><td bgcolor='red'>*</td><td>*</td><td>column-quantifier</td></tr>
+<tr><td rowspan='2'>r2</td><td></td><td></td><td>v3</td><td></td><td bgcolor='red'></td><td></td></tr>
+<tr><td></td><td></td><td></td><td>v4</td><td bgcolor='red'></td><td></td></tr>
+</table>
+}}}
  = 刪除column family =