Data model Columns are added and modified Column Family1 Name: MailList Type d KEY dynamically Value:<Binary>Va VolUE.<Dd2 TimeStamp: t1 TimeStamp: t2 Times TimeStamp: t4 mnFamily2 Name: WordList4ne: Super Sort:Time Column Families Name: aloha Name: dude are declare SuperColumns are added and modified dynamicall and modified dynamically Column Family3 System Ivne: Super ort: Name Name: hint1 ame: hint Column list <Column List <Column List <Column ListData Model KEY ColumnFamily1 Name : MailList Type : Simple Sort : Name Name : tid1 Value : <Binary> TimeStamp : t1 Name : tid2 Value : <Binary> TimeStamp : t2 Name : tid3 Value : <Binary> TimeStamp : t3 Name : tid4 Value : <Binary> TimeStamp : t4 ColumnFamily2 Name : WordList Type : Super Sort : Time Name : aloha ColumnFamily3 Name : System Type : Super Sort : Name Name : hint1 <Column List> Name : hint2 <Column List> Name : hint3 <Column List> Name : hint4 <Column List> C1 V1 T1 C2 V2 T2 C3 V3 T3 C4 V4 T4 Name : dude C2 V2 T2 C6 V6 T6 Column Families are declared upfront Columns are added and modified dynamically SuperColumns are added and modified dynamically Columns are added and modified dynamically