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JPA Annotation Attribute in jakarta.persistence.MapKeyColumn String options default "" (Optional) A SQL fragment appended to the generated DDL which declares this column . May not be used in conjunction with () . Since: JPA 3.2

JPA Annotation Attribute in jakarta.persistence.AssociationOverride JoinColumn [] joinColumns default {} The join column (s) being mapped to the persistent attribute(s). The joinColumns elements must be specified if a foreign key mapping is used in the overriding of the mapping of the relationship

JPA Annotation Attribute in jakarta.persistence.JoinTable ForeignKey foreignKey default @ForeignKey(ConstraintMode.PROVIDER_DEFAULT) (Optional) Used to specify or control the generation of a foreign key constraint for the columns corresponding to the joinColumns element when table generation is in

JPA Annotation Attribute in jakarta.persistence.JoinTable ForeignKey inverseForeignKey default @ForeignKey(ConstraintMode.PROVIDER_DEFAULT) (Optional) Used to specify or control the generation of a foreign key constraint for the columns corresponding to the inverseJoinColumns element when table

JPA Annotation Attribute in jakarta.persistence.JoinTable JoinColumn [] inverseJoinColumns default {} (Optional) The foreign key columns of the join table which reference the primary table of the entity that does not own the association. (I.e. the inverse side of the association). Uses the same defaults as for JoinColumn . Since: JPA 1.0

JPA Annotation Attribute in jakarta.persistence.MapKeyJoinColumn String options default "" (Optional) A SQL fragment appended to the generated DDL which declares this column . May not be used in conjunction with () . Since: JPA 3.2

version column . The persistence implementation is not required to support the use of optimistic lock modes

JPA Annotation Attribute in jakarta.persistence.JoinColumns JoinColumn [] value default null The join columns that map the relationship. Since: JPA 1.0

JPA Annotation Attribute in jakarta.persistence.Table UniqueConstraint [] uniqueConstraints default {} (Optional) Unique constraints to be placed on the table. These are only used if table generation is in effect. These constraints apply in addition to any constraints specified by the Column

JPA Annotation Attribute in jakarta.persistence.TableGenerator String pkColumnName default "" (Optional) Name of the primary key column in the table. Defaults to a provider-chosen name. Since: JPA 1.0

JPA Annotation Attribute in jakarta.persistence.JoinTable JoinColumn [] joinColumns default {} (Optional) The foreign key columns of the join table which reference the primary table of the entity owning the association. (I.e. the owning side of the association). Uses the same defaults as for JoinColumn . Since: JPA 1.0

JPA Annotation Attribute in jakarta.persistence.JoinColumn String options default "" (Optional) A SQL fragment appended to the generated DDL which declares this column . May not be used in conjunction with () . Since: JPA 3.2

JPA Annotation Attribute in jakarta.persistence.JoinColumn String comment default "" (Optional) A comment to be applied to the column . This is only used if table generation is in effect. Since: JPA 3.2

JPA Annotation Attribute in jakarta.persistence.JoinColumn CheckConstraint [] check default {} (Optional) Check constraints to be applied to the column . These are only used if table generation is in effect. Since: JPA 3.2

. These constraints apply in addition to any constraints specified by the Column and JoinColumn

JPA Annotation Attribute in jakarta.persistence.MapKeyJoinColumn boolean updatable default true (Optional) Whether the column is included in SQL UPDATE statements generated by the persistence provider. Since: JPA 2.0

JPA Annotation Attribute in jakarta.persistence.MapKeyJoinColumn boolean insertable default true (Optional) Whether the column is included in SQL INSERT statements generated by the persistence provider. Since: JPA 2.0

JPA Annotation Attribute in jakarta.persistence.MapKeyJoinColumn boolean nullable default false (Optional) Whether the foreign key column is nullable. Since: JPA 2.0

JPA Annotation Attribute in jakarta.persistence.MapKeyColumn String table default "" (Optional) The name of the table that contains the column . Defaults: If the map key is for an element collection, the name of the collection table for the map value. If the map key is for a OneToMany or ManyToMany

JPA Annotation Attribute in jakarta.persistence.CollectionTable ForeignKey foreignKey default @ForeignKey(ConstraintMode.PROVIDER_DEFAULT) (Optional) Used to specify or control the generation of a foreign key constraint for the columns corresponding to the joinColumns element when table generation

JPA Annotation Attribute in jakarta.persistence.MapKeyColumn boolean updatable default true (Optional) Whether the column is included in SQL UPDATE statements generated by the persistence provider. Since: JPA 2.0

JPA Annotation Attribute in jakarta.persistence.MapKeyColumn boolean nullable default false (Optional) Whether the database column is nullable. Since: JPA 2.0

JPA Annotation Attribute in jakarta.persistence.MapKeyColumn boolean insertable default true (Optional) Whether the column is included in SQL INSERT statements generated by the persistence provider. Since: JPA 2.0

JPA Annotation Attribute in jakarta.persistence.ManyToOne boolean optional default true (Optional) Whether the association is optional. If set to false then a non-null relationship must always exist. May be used in schema generation to infer that the mapped foreign key column is not null . Since: JPA 1.0

JPA Annotation Attribute in jakarta.persistence.PrimaryKeyJoinColumn ForeignKey foreignKey default @ForeignKey(PROVIDER_DEFAULT) (Optional) Used to specify or control the generation of a foreign key constraint for the primary key join column when table generation is in effect. If this element

JPA Annotation Attribute in jakarta.persistence.OrderColumn String options default "" (Optional) A SQL fragment appended to the generated DDL which declares this column . May not be used in conjunction with () . Since: JPA 3.2

specified by Column and JoinColumn annotations and constraints entailed by primary key mappings. Defaults to no additional constraints. Since: JPA 1.0

JPA Annotation EnumeratedValue Target: FIELD Implemented Interfaces: Annotation Specifies that an annotated field of a Java enum type is the source of database column values for an plain mapping. The annotated field must be declared final , and must be of type: byte , short , or int for EnumType

JPA Annotation Attribute in jakarta.persistence.SecondaryTable ForeignKey foreignKey default @ForeignKey(ConstraintMode.PROVIDER_DEFAULT) (Optional) Used to specify or control the generation of a foreign key constraint for the columns corresponding to the pkJoinColumns element when table

: the converted data to be stored in the database column Since: JPA 1.0

JPA Annotation SecondaryTables Target: TYPE Implemented Interfaces: Annotation Specifies multiple secondary tables for an entity. Example 1: Multiple secondary tables assuming primary key columns are named the same in all tables. {@snippet : Since: JPA 1.0 Public Annotation Attributes

JPA Annotation Attribute in jakarta.persistence.DiscriminatorColumn String options default "" (Optional) A SQL fragment appended to the generated DDL which declares this column . May not be used in conjunction with () . Since: JPA 3.2

JPA Annotation Attribute in jakarta.persistence.PrimaryKeyJoinColumn String options default "" (Optional) A SQL fragment appended to the generated DDL which declares this column . May not be used in conjunction with () . Since: JPA 3.2

JPA Annotation Attribute in jakarta.persistence.TableGenerator int initialValue default 0 (Optional) The initial value to be used to initialize the column that stores the last value generated. Since: JPA 1.0

JPA Annotation Attribute in jakarta.persistence.ColumnResult String name default null (Required) The name of a column in the SELECT clause of a SQL query Since: JPA 1.0

JPA Annotation Attribute in jakarta.persistence.TableGenerator String valueColumnName default "" (Optional) Name of the column that stores the last value generated. Defaults to a provider-chosen name. Since: JPA 1.0

the primary key column of the generator table Since: JPA 1.0

JPA Annotation Attribute in jakarta.persistence.OrderColumn boolean insertable default true (Optional) Whether the column is included in SQL INSERT statements generated by the persistence provider. Since: JPA 2.0

JPA Annotation Attribute in jakarta.persistence.OrderColumn boolean updatable default true (Optional) Whether the column is included in SQL UPDATE statements generated by the persistence provider. Since: JPA 2.0

JPA Annotation Attribute in jakarta.persistence.OrderColumn boolean nullable default true (Optional) Whether the database column is nullable. Since: JPA 2.0

JPA Annotation Attribute in jakarta.persistence.OrderColumn String name default "" (Optional) The name of the ordering column . Defaults to the concatenation of the name of the referencing property or field; " _ "; " ORDER ". Since: JPA 2.0

JPA Annotation Attribute in jakarta.persistence.DiscriminatorColumn DiscriminatorType discriminatorType default STRING (Optional) The type of object/ column to use as a class discriminator. Defaults to DiscriminatorType.STRING . Since: JPA 1.0

JPA Annotation Attribute in jakarta.persistence.DiscriminatorColumn String name default "DTYPE" (Optional) The name of column to be used for the discriminator. Since: JPA 1.0

JPA Enum DiscriminatorType java.lang.Object ∟  java.lang.Enum ∟  jakarta.persistence.DiscriminatorType Defines supported types of the discriminator column . See Also: DiscriminatorColumn.discriminatorType Since: JPA 1.0 Enum Constants CHAR Single character as the discriminator type

JPA Annotation Attribute in jakarta.persistence.DiscriminatorColumn int length default 31 (Optional) The column length for String-based discriminator types. Ignored for other discriminator types. Since: JPA 1.0

JPA Annotation Attribute in jakarta.persistence.UniqueConstraint String[] columnNames default null (Required) The names of the column which make up the constraint. Since: JPA 1.0

of the column which make up the constraint. Since: JPA 1.0 String name default "" (Optional) The name

an association or element collection for which an order column has been defined. Return: expression

JPA Annotation Attribute in jakarta.persistence.JoinColumn boolean updatable default true (Optional) Whether the column is included in SQL UPDATE statements generated by the persistence provider. Since: JPA 1.0

JPA Annotation Attribute in jakarta.persistence.JoinColumn boolean insertable default true (Optional) Whether the column is included in SQL INSERT statements generated by the persistence provider. Since: JPA 1.0