Oracle Database XE Frequently Asked Questions

Getting Help
  • How can I get support?

    Go to the Oracle Database Express Edition (XE) Forum, and search existing questions and answers, or enter your own question.

  • Can I log an SR against XE?

    No, you can only log Service Requests, with Oracle Support, against fully supported products, such as Oracle Database Enterprise Edition, Oracle Database Standard Edition 2, and all of the Oracle Database Cloud Services.

  • Will patches be provided for Oracle 18c XE?

    No, patches will not be released for XE. To obtain patches you must be on a fully supported release, such as Oracle Database Enterprise Edition or Oracle Database Standard Edition 2.

  • Where can I download Oracle 18c XE for Windows?

    The Oracle Database 18c XE on Windows release will be coming soon!

  • Can I install XE into Docker?

    Yes, a Docker image with XE pre-installed will be coming soon.

  • What are the resource limits for Oracle Database 18c XE

    Oracle Database 18c XE supports up to:

    • 3 Pluggable Databases
    • 2 CPUs for foreground processes
    • 2GB of RAM (SGA and PGA combined)
    • 12GB of user data on disk (irrespective of compression factor)

    For more information, please review the Oracle Database 18c XE Documentation.

  • Can I use Oracle 18c XE in production?

    Oracle Database Express Edition does not restrict in which environment it can be deployed. However, Oracle Database Express Edition is not supported and does not receive any patches, including security patches. Oracle recommends to run production deployments on fully supported Oracle Database editions or Cloud Services.

  • Which features are not included in XE?

    The full list of features included and not included in Oracle Database 18c XE can be seen in the Oracle Database 18c XE Documentation.

  • Can I upgrade from 11g XE (or 10g XE) to 18c XE?

    You can upgrade your XE environment by using Data Pump Export/Import functionality and transfer your data from the old XE environment to the new one.
    For more information look at Exporting and Importing Data between Oracle Database XE 11.2 and 18c in the Documentation.

    Direct upgrades from 11g XE to 18c XE are not supported!

  • Can I unplug/plug an XE PDB into EE/SE2 CDBs?

    Oracle Database XE PDBs can be plugged into EE CDBs of the same version.
    Plugging an XE PDBs into SE2 CDBs is currently not supported. This feature is under investigation.

  • Can I unplug/plug a EE/SE2 PDB into XE CDBs?

    Plugging EE/SE2 PDBs into XE CDB is currently not supported. This feature is under investigation.

  • How do I convert my character set?

    You can convert your character set by using Data Pump Export/Import to export the data, create a new database with your desired character set, and import the data again. For further information, please see the Database Utilities Documentation.

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