Materialize vs ksqlDB
Side-by-side comparison of Materialize and ksqlDB to help you choose the right tool.
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| Feature | Materialize | ksqlDB |
|---|---|---|
| Pricing | Usage-based | Free / Included with Confluent |
| Rating | ⭐ 4.4/5 | ⭐ 4.3/5 |
| Categories | streaming, data-warehouses | streaming |
| Incremental views | ✅ | ❌ |
| Standard SQL | ✅ | ❌ |
| Kafka integration | ✅ | ❌ |
| PostgreSQL wire protocol | ✅ | ❌ |
| Joins on streams | ✅ | ❌ |
| Consistency guarantees | ✅ | ❌ |
| SQL on Kafka | ❌ | ✅ |
| Materialized views | ❌ | ✅ |
| Pull & push queries | ❌ | ✅ |
| Connectors | ❌ | ✅ |
| Windowing | ❌ | ✅ |
| User-defined functions | ❌ | ✅ |
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