Re: How to migrate any relational database to Cassandra

2010-08-08 Thread sonia gehlot
t CF level, it is much nature and easy >>> for >>> us to implement a system. >>> >>> Best, >>> >>> Zhong >>> >>> >>> On Aug 6, 2010, at 9:23 PM, Peter Harrison wrote: >>> >>> On Sat, Aug 7, 2010 at 6:00 A

Re: How to migrate any relational database to Cassandra

2010-08-06 Thread sonia gehlot
to > denormalize the data you have in order to insert it into a NoSQL storage > like Cassandra. > > Simply just migrating the data and moving the joins up to the application > level might work in the beginning but most of the times doesn't scale in the > end. > > Am 06.0

How to migrate any relational database to Cassandra

2010-08-06 Thread sonia gehlot
Hi All, Little background about myself. I am ETL engineer worked in only relational databases. I have been reading and trying Cassandra since 3-4 weeks. I kind of understood Cassandra data model, its structure, nodes etc. I also installed Cassandra and played around with it, like cassandra>

Re: Cassandra basics

2010-07-26 Thread sonia gehlot
is sorted by the > types you described. So if you tell it to sort by UTF8Type it will consider > the in the column that matches your row key to be UTF8 data and will sort > accordingly. > > > > > > > > From: sonia gehlot > > To: user@cassandra.apache.org > >

Cassandra basics

2010-07-23 Thread sonia gehlot
Hi Guys, Recently I have started reading about Cassandra from the material available on net. But I have very confused with the basic understanding of Cassandra. I understand columnFamilies, supper columnFamilies but I have no clear understanding of 1. I don't understand wha

Newbie to cassandra

2010-07-18 Thread sonia gehlot
Hi everyone, I am new to Cassandra and wanted to try and start learning Cassandra. I have database background. I am fully exposed and have full command on Netezza, Oracle, MySQL, Sybase, SQL etc basically all the relational databases. As Cassandra is gaining popularity day by day by its amazing f