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The "DataModelv2" page has been changed by ronaldmathies.
http://wiki.apache.org/cassandra/DataModelv2?action=diff&rev1=12&rev2=13

--------------------------------------------------

  
  == SuperColumn ==
  
+ Model representation:
+ 
+ TODO
+ 
+ Data representation:
+ 
+ ||<-4> SuperColumn                                                            
          ||
+ || key          ||<-3>  Columns                                               
          ||
+ ||<#AAAAAA> 1   ||<#AAAAAA> name        ||<#AAAAAA> value        ||<#AAAAAA> 
timestamp  ||
+ ||              ||          "firstname" ||          "Ronald"     ||          
1270073054 ||
+ ||              ||          "lastname"  ||          "Mathies"    ||          
1270073054 ||
+ ||              ||          "birthday"  ||          "01/01/1978" ||          
1270073054 ||
+ ||<#AAAAAA> 2   ||<#AAAAAA> name        ||<#AAAAAA> value        ||<#AAAAAA> 
timestamp  ||
+ ||              ||          "firstname" ||          "John"       ||          
1270084021 ||
+ ||              ||          "lastname"  ||          "Steward"    ||          
1270084021 ||
+ ||              ||          "birthday"  ||          "01/01/1982" ||          
1270084021 ||
+ 
  == SuperColumnFamily ==
  
+ Model representation:
+ 
+ TODO
+ 
+ Data representation:
+ 
+ ||<-5>SuperColumnFamily                                                       
                                                ||
+ || Key                           ||<-4> SuperColumns                          
                                                ||
+ ||<#BBBBBB> "my-new-guitar"      ||<#BBBBBB> key  ||<-3 #BBBBBB>   Columns    
                                                ||
+ ||                               ||<#AAAAAA> post ||<#AAAAAA> name        
||<#AAAAAA> value            ||<#AAAAAA> timestamp  ||
+ ||                               ||               ||          "subject"   ||  
        "My new guitar"  ||          1270073054 ||
+ ||                               ||               ||          "body"      ||  
        "a lot of text"  ||          1270073054 ||
+ ||                               ||               ||          "created"   ||  
        "01/01/2010"     ||          1270073054 ||
+ ||                               ||<#AAAAAA> tags ||<#AAAAAA> name        
||<#AAAAAA> value            ||<#AAAAAA> timestamp  ||
+ ||                               ||               ||          "tag0"      ||  
        "Guitar"         ||          1270084021 ||
+ ||                               ||               ||          "tag1"      ||  
        "Instrument"     ||          1270084021 ||
+ ||<#BBBBBB> "guitar-lessons"     ||<#BBBBBB> key  ||<-3 #BBBBBB>  Columns     
                                                ||
+ ||                               ||<#AAAAAA> post ||<#AAAAAA> name        
||<#AAAAAA> value            ||<#AAAAAA> timestamp  ||
+ ||                               ||               ||          "subject"   ||  
        "Guitar lessons" ||          1270073054 ||
+ ||                               ||               ||          "body"      ||  
        "a lot of text"  ||          1270073054 ||
+ ||                               ||               ||          "created"   ||  
        "01/03/2010"     ||          1270073054 ||
+ ||                               ||<#AAAAAA> tags ||<#AAAAAA> name        
||<#AAAAAA> value            ||<#AAAAAA> timestamp  ||
+ ||                               ||               ||          "tag0"      ||  
        "Guitar"         ||          1270084021 ||
+ ||                               ||               ||          "tag1"      ||  
        "Instrument"     ||          1270084021 ||
+ ||                               ||               ||          "tag2"      ||  
        "Lessons"        ||          1270084021 ||
  
  The basic concepts are:
  

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