Oracle Database 10g Release 2 -10.2.0.1- Express Edition For Microsoft Windows -
| Feature | Limit | | :--- | :--- | | | 4 GB (user data, not including redo logs or temp files) | | Max RAM | 1 GB of memory (buffer cache + shared pool) | | Max CPU | 1 physical CPU (or 1 core; does not scale on multi-core CPUs) | | Max Storage | 4 GB disk data limit per database | | Concurrent Users | Not hard-coded, but performance degrades beyond ~10-20 active sessions | | Enterprise Features | No Partitioning, No Data Guard, No Advanced Security, No OLAP |
Solution: That is a hard limit. You cannot bypass it. If you need more, migrate to Oracle Standard Edition One. | Feature | Limit | | :--- |
The "g" stands for a major theme in Oracle’s 10g series. The idea was to allow multiple servers to act as a single, virtualized database resource pool. While the Express Edition does not include the full Grid infrastructure (like ASM or RAC), it shares the same core SQL engine and PL/SQL capabilities as its enterprise sibling. The "g" stands for a major theme in Oracle’s 10g series