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Database(*.odb) file size on disk

(cascade = CascadeType.ALL)   EntityB entityB = null; } @Entity public static class EntityB

cache optimizing

serialization="false" /> <cascade-persist always="auto" on-persist="false" on-commit="true

Beginners questions

") @GeneratedValue(strategy = GenerationType.AUTO) private Long id; @OneToMany (fetch=FetchType.LAZY,cascade

objectdb.conf Information

Hello, Is it possible to get detailed information on objectdb.conf client vs server? We do have an objectdb.conf for our client and one for our server instance. Now there're several questions: - Which config entries are relevant for the client and which one for the server? I.e. what about: <cascade

Broken @ManyToOne reference

Hi, I have objects of type A belonging to objects of type B, defined as follows: @MappedSuperclass public abstract class A { @Id @ManyToOne(fetch = FetchType.EAGER, cascade=CascadeType.ALL, optional=false) private B b; @Id @Column(length = 36) private String stringId

Bidirectional OneToMany is slow on updated items

that can improve performance dramatically, is to avoid using mapped by collections: @OneToMany(cascade

Insertion Speed Rate and Batch Load

="weak" level2="0" />   <cascade-persist always="auto" on-persist="false" on-commit="true" />   <dirty

Navigation through lazy loading from Detached Objects

;                 @OneToMany(cascade=CascadeType.PERSIST)         List<MyEntity> list;                 MyEntity

database corrupt

" /> <cache ref="weak" level2="8192mb" /> <fetch hollow="true" /> <persist serialization="false" /> <cascade

each 1-2 days objects on some objectdb level lock/block each other

serialization="false" /> <cascade-persist always="auto" on-persist="false" on-commit="true

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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