About unique

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[ODB1] Chapter 4 - JDO Metadata

identity supported by ObjectDB. To enforce unique values in a field you can define a unique index as ... that every String or Date is stored as a non embedded object (with a unique object ID). The embedded-key ... indexes for two fields. Field f0 has an ordinary index and field f1 has a unique index. A field
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[ODB1] Chapter 6 - Persistent Objects

its containing object). 6.2  Object IDs and Names Identifying database objects by unique IDs and by names ... ObjectDB assigns a unique numeric ID to every persistent object when it is first stored in ... the object exists in the database. If an object is deleted from the database, its unique ID
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[ODB1] Chapter 8 - ObjectDB Server

To use SSL you have to generate at least two files: A Keystore file that functions as a unique signature