About field

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JDO Doc
56

JDOPermission.SET_STATE_MANAGER

Static Field javax.jdo.spi.JDOPermission JDOPermission SET_STATE_MANAGER An instance of JDOPermission to be used for setStateManager permission checking. Since: JDO 1.0
JPA Doc
56

Persistence.PERSISTENCE_PROVIDER

Static Field javax.persistence.Persistence String PERSISTENCE_PROVIDER Deprecated. This final String is deprecated and should be removed and is only here for TCK backward compatibility Since: JPA 1.0
JDO Doc
56

Query.JDOQL

Static Field javax.jdo.Query String JDOQL The string constant used as the first argument to PersistenceManager.newQuery(String,Object) to identify that the created query should obey the JDOQL syntax and semantic rules. This is the default query language used when creating a query with any
JDO Doc
56

Query.SQL

Static Field javax.jdo.Query String SQL The string constant used as the first argument to PersistenceManager.newQuery(String,Object) to identify that the created query should use SQL semantics. This is only meaningful for relational JDO implementations. If this is used, the Object argument
Manual
40

Chapter 2 - JPA Entity Classes

Explains how to define and use JPA entity classes and other JPA persistable types.
Manual
29

Index Definition

which fields to define with indexes should be done carefully. Single Field Index JPA does not define ... } @Unique represents a unique index that prevents duplicate values in the indexed field ... field (similar to how primary keys behave). @Index represents either an ordinary index
Manual
27

Retrieving JPA Entity Objects

but all its other persistent fields are uninitialized. The object content is retrieved from the database and the persistent fields are initialized, lazily, when the entity object is first accessed ... collection and map persistent fields (i.e. through one-to-one and many-to-one relationships
Manual
27

Database Explorer [2011-09-21]

) in the database and their persistent fields and indexes. The [Query] window enables running JPQL ... , every column represents a persistent field, and the content of a cell is the value of a single field in ... and the values of its persistent fields are represented as child nodes. Tree windows provide easier
Manual
27

Database Explorer

) in the database and their persistent fields and indexes. The [Query] window enables running JPQL ... , every column represents a persistent field, and the content of a cell is the value of a single field in ... and the values of its persistent fields are represented as child nodes. Tree windows provide easier
JDO Doc
26

javax.jdo.spi.StateManager

getBooleanField( PersistenceCapable pc, int field, boolean currentValue) Return the value for the field. Return the value for the field. Parameters: pc - the calling PersistenceCapable instance field - the field number currentValue - the current value of the field Returns: the new value for the field