Thanks for you answer. however, what i want to do just likes "where" keyword of SQL in RDBMS. Is it impossible in hbase ?
On Mon, Aug 17, 2009 at 2:58 PM, Ryan Rawson <[email protected]> wrote: > hey, > > That isn't how hbase (or even rdbms) work. Instead you can retrieve > rows based on their row key. Otherwise you will have to read the > entire table to find just that 1 row. Yes this is as inefficient as it > sounds. > > If you frequently have this issue, you may need to build and maintain > secondary indexes. Unlike relational dbs, there is no built in support > for this, you have to write your app to handle this. > > -yran > > > > On Sun, Aug 16, 2009 at 11:51 PM, lei wang<[email protected]> wrote: > > Hi, if a know a cell in a hbase for its column:<qualifer>:value, i need > to > > know which row key it belongs to. I searched the HBase api several times, > > but i can not find the right method to solve my problem. Thanks for one's > > suggestion to me. > > >
