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23

Composite Index error 328

; private String buroGruplama; private Long groupsHash; @Id @Column(name = "id ... ) { this.id = id; } @Basic @Column(name = "dy_id") public int getDyId ... ; } @Basic @Column(name = "pwd") public long getPwd() { return pwd
5

javax.persistence.EmbeddedId

. The AttributeOverride annotation may be used to override the column mappings declared ... column name for "name" attribute is overridden @AttributeOverride(name="name", @Column(name
5

javax.persistence.AssociationOverride

must be specified to override the mapping of the join table and/or its join columns. Example 1: Overriding ... column(s) being mapped to the persistent attribute(s). The join column(s) being mapped
5

SecondaryTable.pkJoinColumns

Annotation Element javax.persistence.SecondaryTable PrimaryKeyJoinColumn[] pkJoinColumns (Optional) The columns that are used to join with the primary table. Defaults to the column(s) of the same name(s) as the primary key column(s) in the primary table. Default value: {} Since: JPA 1.0
4

javax.persistence.JoinColumns

See Also: JoinColumn JoinColumn[] value The join columns that map the relationship. The join columns that map the relationship. Since: JPA 1.0
0

Join.unique

Annotation Element javax.jdo.annotations.Join String unique Whether the join column is unique. Returns: whether the join column(s) is(are) is unique Default value: "" Since: JDO 2.1
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Version.indexed

Annotation Element javax.jdo.annotations.Version String indexed Whether the version column(s) is(are) indexed. Returns: whether the version column(s) is(are) indexed Default value: "" Since: JDO 2.1
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Join.indexed

Annotation Element javax.jdo.annotations.Join String indexed Whether the join column is indexed. Returns: whether the join column(s) is(are) indexed Default value: "" Since: JDO 2.1
0

Join.generateForeignKey

Annotation Element javax.jdo.annotations.Join String generateForeignKey Generate or assume a foreign key constraint exists on the column or columns associated with this join. Specify "true" or "false". Returns: whether to generate or assume a foreign key constraint Default value: "" Since: JDO 2.1
0

Join.generatePrimaryKey

Annotation Element javax.jdo.annotations.Join String generatePrimaryKey Generate or assume a primary key constraint exists on the column or columns associated with this join. Specify "true" or "false". Returns: whether to generate or assume a primary key constraint Default value: "" Since: JDO 2.1

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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