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4.3.2.5 Index

Annotation for a database index.

4.3.2.5.1 Synopsis
 @Target(value={java.lang.annotation.ElementType.TYPE, java.lang.annotation.ElementType.FIELD, java.lang.annotation.ElementType.METHOD}) @Retention(value=java.lang.annotation.RetentionPolicy.RUNTIME) public @interface Index {
  public String name ;
  public String unique ;
  public Column[] columns ;
}

Figure 4.26 Index Class

Index Class

4.3.2.5.2 columns

Columns that compose this index.

Parameters

return

columns that compose this index

4.3.2.5.3 name

Name of the index

Parameters

return

the name of the index

4.3.2.5.4 unique

Whether this index is unique

Parameters

return

whether this index is unique


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