The current results of our Which of these non-relational databases do you use alongside PostgreSQL? survey are:
| Answer | Responses | Percentage |
|---|---|---|
| Memcached | 36 | 15.319148936170214% |
| Redis or TokyoCabinet | 5 | 2.127659574468085% |
| Apache Solr | 8 | 3.404255319148936% |
| Cassandra or Hypertable | 10 | 4.25531914893617% |
| CouchDB | 6 | 2.5531914893617023% |
| BerkeleyDB | 10 | 4.25531914893617% |
| Other Non-relational DB | 13 | 5.531914893617022% |
| I only use relational databases | 147 | 62.5531914893617% |
| Total | 235 |
This survey was posted April 13, 2010.