# Databases on read-only media and DatabaseMetaData

Databases on read-only media return true for DatabaseMetaData.isReadOnly.

Parent topic: Creating Derby databases for read-only use
Related concepts
Accessing a read-only database in a zip/jar file
Related tasks
Creating and preparing the database for read-only use
Deploying the database on the read-only media
Transferring read-only databases to archive (jar or zip) files