There's a lot of confusion among these terms. I'd like to throw my understanding out and see if people agree. I have seen conflicting and wrong definitions all over the web. In my mind, wide column...

What is the reason for having column families? Example: Scenario 1 : Table Row-Key ColumnFamily1 ColumnFamily2 ColumnFamily3 Scenario 2 : Table1 Row-Key Column1...ColumnN Table2 Row-Key Column1......

I created a table by create 'tablename', 'columnfamily1' Now is it possible to add another column family 'columnfamily2'? What is the method?

Through ops-center and nodetool cfstats i was able to find that one of the partitions of a keyspace table is 560 Mb, but couldn't find out which partition is that. How can we trace which partition ...

I thought that regardless of whether a NoSQL aggregate store is a key-value, column-family or document database, it would support versioning of values. After a bit of Googling, I'm concluding that ...

I have one column family that has multiple counter columns. Now I want to get their value behalf of different row keys, Means like RangeSlicesQuery or MultigetSliceQuery, I want to apply on counter...

In Cassandra Wiki, it is said that there is a limit of 2 billion cells (rows x columns) per partition. But it is unclear to me what is a partition? Do we have one partition per node per column fam...