Table 4.
Non-Relational Database Usage Difference
| Non-Relational Database | Difference |
|---|---|
| Apache CouchDB | 4 percent |
| Apache Cassandra | 3 percent |
| MongoDB | 3 percent |
| Apache Hadoop/Map Reduce | 2 percent |
| Couchbase | 1 percent |
Non-Relational Database Usage Difference
| Non-Relational Database | Difference |
|---|---|
| Apache CouchDB | 4 percent |
| Apache Cassandra | 3 percent |
| MongoDB | 3 percent |
| Apache Hadoop/Map Reduce | 2 percent |
| Couchbase | 1 percent |