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JPA Persistable Types

">fields. In addition, only instances of entity classes preserve identity and are stored ... of persistable types. In addition to the collection and map classes that are fully supported by ObjectDB, any

FROM clause (JPQL / Criteria API)

provides an additional type of identification variable, a join variable, which represent a more limited ... range variable that serves as a root and additional join variables that are bound to path expressions

Schema Update

name. All the classes in that package are moved to the new package name. In addition ... of the <package> element is used. In addition, whether or not a

JPA Annotations for Fields

|Id|EmbeddedId|Version|Transient"> Additional annotations (and enum ... |MapKeyEnumerated|EnumType"> Other additional annotations (and enum) are designated

JPA Query Expressions (JPQL / Criteria)

> (multiplication), / (division), + (addition) and - (subtraction). : AND, OR, NOT. In addition, JPA queries support predefined functions

Numbers in JPQL and Criteria Queries

> (addition), - (subtraction), * (multiplication) and / (division ... _">parameter(Integer.class); // Addition (+)

ObjectDB License

to access remote ObjectDB databases (for which licenses have been purchased) does not require additional ... of one company or organization in one building, and in addition also covers installation of ObjectDB

Defining a JPA Entity Class

>As you can see above, an entity class is an ordinary Java class. The only unique JPA addition ... is persisted. Chapter 2 provides additional information

[ODB1] Chapter 1 - About ObjectDB

because developers must deal with tables, records and SQL in addition to the application's classes and objects ... systems (RDBMS), e.g. Oracle, IBM DB2 and Microsoft SQL Server. In addition, by using JDO you are backed ... use. It is based on the embedded database edition, but has some additional restrictions

[ODB1] Chapter 8 - ObjectDB Server

An ObjectDB server can manage one or more databases. Databases that are managed by a server can be accessed by multiple processes simultaneously. In addition, the server supports accessing ... ). Additional permissions are granted using the <permissions> sub element