I'd suggest json object, or xml, or any binary protocol buffer such as Google PB, Facebook Thrift PB.
If you use any of those, you will have much better control over version upgrade On Tue, Dec 28, 2010 at 4:16 PM, Valter Nogueira <[email protected]>wrote: > Since contract has attributes such NUMBER, TOTAL, ACCOUNT and soon > > When doing the follow: > > row_key || CF: Contract > --------------------------------------------------------------------- > valter || 'C11' | info_for_11 | 'C12' | info_for_12 > ---------------------------------------------------------------------- > > info_for_NN should be comma-separeted values, xml, a serialized java > object? > On CF for contract attribute? > > Thanks, > > Valter > > > > 2010/12/28 Sean Bigdatafun <[email protected]> > > > 1. customer_table: > > row_key --> column_family : (customer --> contract) > > > > An example row, > > row_key || CF: Contract > > --------------------------------------------------------------------- > > valter || 'C11' | info_for_11 | 'C12' | info_for_12 > > ---------------------------------------------------------------------- > > > > > > 2. contract_table: > > row_key --> column_family (contract_id --> installment) > > > > An example row, > > row_key || CF: Installment > > > > > ----------------------------------------------------------------------------------------- > > C11 || 'I_1001' | info_for_1001 | 'I_1002' | info_for_1002 > > > > > ---------------------------------------------------------------------------------------- > > > > > > On Tue, Dec 28, 2010 at 3:26 PM, Valter Nogueira <[email protected] > > >wrote: > > > > > I have a small JAVA system using relational database. > > > > > > Basically, the app have 3 entities: CUSTOMER has many CONTRACTs and > each > > > CONTRACT has many INSTALLMENTS > > > > > > Very classic. > > > > > > I am figuring out what is the best approach to convert it to HBASE. > > > > > > One way is to create a schema that mimics the relational schema. > > > > > > Other is saving INSTALLMENTS into the CONTRACT table. > > > > > > I would like some advice on doing this. > > > > > > Thanks, > > > > > > Valter > > > > > > > > > > > -- > > --Sean > > > -- --Sean
