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## org.apache.openjpa.persistence.jdbc
Annotation Type KeyColumns

    @Target(value={METHOD,FIELD})
    @Retention(value=RUNTIME)
    public @interface KeyColumns

Allows the specification of multiple map key columns for complex mappings.

Since:
  0.4.0, 1.1.0
Author:
  Abe White

Optional Element Summary
`KeyColumn[]` | `value`

### value

    public abstract KeyColumn[] value

  Default:
    {}

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