IBM Db2 vs IBM Informix
IBM Db2
ibm.com
IBM Informix
ibm.comSide by side
| Figure | IBM Db2 | IBM Informix |
|---|---|---|
| Price from | $630/mo | Free |
| Free plan | Yes | Yes |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | — |
| Windows | Yes | Yes |
| Linux | Yes | Yes |
| API | Yes | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 7 | 2 |
| Spec score · Spatial Databases | 8.5 (#10) | 7.9 (#20) |
| Spec score · Database Software | 8.6 (#22) | 7.6 (#65) |
| Spec score · Sql Databases | 8.5 (#7) | 7.9 (#16) |
| Availability | IBM says Db2 pureScale supports continuous availability on premises or in the cloud and that Db2 integrates with Pacemaker. | Developer Edition includes enterprise replication and unlimited high-availability clusters. |
| Free plan | Yes | Yes |
| Security | IBM describes access controls, encryption for data in motion and at rest, behavior monitoring, and data masking features for Db2. | Informix supports data encryption, secured connections, user privilege and access controls, and security auditing. |
| Support | The pricing page lists Community Support for Db2 AI Community and Enterprise Support for Db2 AI Standard and AI Advanced. | IBM Extended Support can provide up to four additional years of support after a version reaches end of support, with defect fixes during the first year. |
Plans
IBM Db2
- FreeFree
- Performance$630 a month
- Db2 AI CommunityFree
- Db2 Database SaaS FreeFree
- Db2 Database SaaS Performance$630 a month
- Db2 AI AdvancedPriced on request
- Db2 AI StandardPriced on request
In their own words
IBM Db2
IBM Db2 is a database for low-latency transactions, real-time analytics, and mission-critical workloads. It supports transactional, analytical, and operational work on the same database and can feed Db2 Warehouse and watsonx.data. AI-powered query optimization uses historical query patterns to adjust execution plans and automate tuning. Db2 12.1.2.0 adds a VECTOR type and SQL vector-distance queries for semantic search, retrieval-augmented generation, and recommendation systems. Db2 pureScale supports continuous availability on premises or in the cloud, with Pacemaker integration. Security features include access controls, encryption in transit and at rest, behavior monitoring, and data masking. IBM documents integrations with DataStage, Segment, Cognos Analytics, Looker, Tableau, Excel, SPSS Statistics, SAS, and R. Supported deployments include self-hosting and Amazon RDS for Db2. Free plans are available; Performance is listed at $630 a month, billed hourly.