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EclipseLink/UserGuide/JPA/Basic JPA Development/Mapping/Basic Mappings/Column
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@Column
Use the Column annotation to specify a mapped column for a persistent property or field.
.
For more information, see Section 11.1.9 "Column Annotation" in the JPA Specification.
The following example shows how to use the @Column annotation to ....
| Attribute | Description | Default | Required? |
|---|---|---|---|
| name | feh | feh | feh |
| unique | feh | feh | feh |
| nullable | feh | feh | feh |
| insertable | feh | feh | feh |
| updatable | feh | feh | feh |
| columnDefinition | feh | feh | feh |
| table | feh | feh | feh |
| length | feh | feh | feh |
| precision | feh | feh | feh |
Usage of the @Column Annotation
@Column(name="ORDER_COST", updatable=false, precision=12, scale=2) public BigDecimal getCost() { return cost; }
