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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:
