Todas la funcione de la API no son compatibles en todos los almacenes de datos, a continuación tenemos el listado de funciones en correspondiente a cada almacén de datos.
| Feature |  |  |  |  |  |  |  |  |  |  |  |  |  |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| General Features | |||||||||||||
| Datastore Identity |  | | | | | | | | | | | |  |
| Application Identity | | | | | | | | | | | | | |
| Nondurable Identity |  | | | | | | | | | | | | |
| Compound Identity | | | | | | | | | | | | | |
| Nontransactional | | | | | | | | | | | | | |
| ACID Transactions | | | | | | | | | | | | | |
| Versioned objects | | | | | | | | | | | | | |
| Optimistic Checks | | | | | | | | | | | | | |
| Fetch Plan control | | | | | | | | | | | | | |
| Native Connection access (JDO) | | | | | | | | | | | | | |
| Encryption of data | | | | | | | | | | | | | |
| Backed object wrappers | | | | | | | | | | | | | |
| Cascade Persist - Pessimistic | | | | | | | | | | | | | |
| Cascade Persist - Optimistic | | | | | | | | | | | | | |
| Cascade Update - Pessimistic | | | | | | | | | | | | | |
| Cascade Update - Optimistic | | | | | | | | | | | | | |
| Cascade Delete - Pessimistic | | | | | | | | | | | | | |
| Cascade Delete - Optimistic | | | | | | | | | | | | | |
| Schema Evolution - New fields | | | | | | | | | | | | | |
| Value Generation | |||||||||||||
| native(JDO)/auto(JPA) | | | | | | | | | | | | | |
| increment(JDO)/table(JPA) | | | | | | | | | | | | | |
| identity(JDO/JPA) | | | | | | | | | | | | | |
| sequence(JDO/JPA) | | | | | | | | | | | | | |
| uuid-hex(JDO) | | | | | | | | | | | | | |
| uuid-string(JDO) | | | | | | | | | | | | | |
| uuid | | | | | | | | | | | | | |
| timestamp | | | | | | | | | | | | | |
| timestamp-value | | | | | | | | | | | | | |
| max | | | | | | | | | | | | | |
| O/R Mapping | |||||||||||||
| Indexes | | | | | | | | | | | | | |
| Unique Keys | | | | | | | | | | | | | |
| Foreign Keys | | | | | | | | | | | | | |
| Primary Keys | | | | | | | | | | | | | |
| Inheritance(complete-table) | | | | | | | | | | | | | |
| Inheritance(new-table) | | | | | | | | | | | | | |
| Inheritance(subclass-table) | | | | | | | | | | | | | |
| Inheritance(superclass-table) | | | | | | | | | | | | | |
| Discriminators | | | | | | | | | | | | | |
| Secondary Table | | | | | | | | | | | | | |
| Embedded PC | | | | | | | | | | | | | |
| Embedded Collection | | | | | | | | | | | | | |
| Embedded Map | | | | | | | | | | | | | |
| Embedded Array | | | | | | | | | | | | | |
| Serialised PC | | | | | | | | | | | | | |
| Serialised Collection | | | | | | | | | | | | | |
| Serialised Map | | | | | | | | | | | | | |
| 1-1 | | | | | | | | | | | | | |
| 1-N | | | | | | | | | | | | | |
| M-N | | | | | | | | | | | | | |
| SchemaTool | | | | | | | | | | | | | |
| Multitenancy by discriminator | | | | | | | | | | | | | |
| Field Types | |||||||||||||
| Primitives, Wrappers | | | | | | | | | | | | | |
| java.lang.String etc | | | | | | | | | | | | | |
| java.lang.Enum | | | | | | | | | | | | | |
| java.util.Date etc | | | | | | | | | | | | | |
| java.lang.Object | | | | | | | | | | | | | |
| java.io.Serializable | | | | | | | | | | | | | |
| java.util.Collection | | | | | | | | | | | | | |
| java.util.Map | | | | | | | | | | | | | |
| Arrays | | | | | | | | | | | | | |
| Interfaces | | | | | | | | | | | | | |
| Queries | |||||||||||||
| JDOQL evaluated in memory | | | | | | | | | | | | | |
| JDOQL evaluated in datastore | | | | | | | | | | | | | |
| JDOQL of candidate interface | | | | | | | | | | | | | |
| JDOQL Polymorphic queries | | | | | | | | | | | | | |
| JPQL evaluated in memory | | | | | | | | | | | | | |
| JPQL evaluated in datastore | | | | | | | | | | | | | |
| SQL | | | | | | | | | | | | | |
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