I was confused a bit when i read first time about solr terminology.
Thought to write this analogy
| Database Terms | Solr Terms |
| Table | Core or Collection |
| Row | Document |
| Partition key | Unique Key |
| Column | Field |
| Node | Node |
| Partition | Shard |
| Keyspace | N/A |
Reference
http://www.datastax.com/documentation/datastax_enterprise/4.0/pdf/dse40.pdf
