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MySQL NDB Cluster API Developer Guide
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Annotation for a group of columns. This annotation is used for multi-column structures such as indexes and keys. Synopsis
 @Target(value={java.lang.annotation.ElementType.FIELD, java.lang.annotation.ElementType.METHOD, java.lang.annotation.ElementType.TYPE}) @Retention(value=java.lang.annotation.RetentionPolicy.RUNTIME) public @interface Columns {
  public Column[] value ;
} value

The columns annotation information.

Table 4.80 value

Parameter Description
return the columns

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