Ashish - Note though that Twitter's Snowflake is only roughly sequential in generation.
Abhishek - Do you really require proper sequence IDs? Why not just keep and work with timestamps? On Thu, Jun 7, 2012 at 6:57 PM, Ashish <paliwalash...@gmail.com> wrote: > Can try snowflake https://github.com/twitter/snowflake > > On Thu, Jun 7, 2012 at 6:20 PM, abhishek dodda > <abhishek.dod...@gmail.com> wrote: >> Hi all, >> >> I have a scenario where all my tables are in DB2 and after dumping >> them into HDFS. >> A unique sequence id (or) unique identifier an extra column should be >> added at beginning or at the end of the table can anyone help me on >> this please. >> >> Thanks >> >> Regards >> Abhi. > > > > -- > thanks > ashish > > Blog: http://www.ashishpaliwal.com/blog > My Photo Galleries: http://www.pbase.com/ashishpaliwal -- Harsh J