| Feature | Enterprise Edition (EE) | Standard Edition 2 (SE2) | | :--- | :--- | :--- | | | Unlimited (RAC supported) | Max 2 sockets (no RAC) | | Pluggable DBs (Multitenant) | Up to 4098 PDBs | Up to 3 PDBs | | In-Memory, Partitioning | ✅ Included (requires license) | ❌ Not available | | Data Guard | Active Data Guard (sync/async) | Only simple manual failover | | Security (TDE, DV) | ✅ Add-on options | ❌ Not available | | Oracle RAC | ✅ Yes | ❌ No | | Target Use Case | Mission-critical, 24/7, large scale | Small-to-medium business |
Beyond basic encryption, EE supports Oracle Advanced Security , providing Transparent Data Encryption (TDE) and data redaction to meet strict regulatory compliance in finance and healthcare.