In the Derby documentation, we refer to three locales:
Java System locale
This is the locale of your machine, which is automatically detected by your JVM. For Derby and Derby tools, the Java system locale determines the default locale.
This is the territory associated with your database when it is created. By default, this is the same as the java system locale. The database territory determines the language of database errors.
ij or dblook Session locale
This locale is associated with your ij or dblook session. This locale determines the localized display format for numbers, dates, times, and timestamps.
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