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Reality V15.0 ()
Index Definition Item (m604804+indexdefinitionitem.htm)
An index definition item defines an index structure. It contains both the English source and the compiled version for the selection and source criteria specified with DEFINE-INDEX. The item is created in the file dictionary by executing the DEFINE-INDEX command and is used by CREATE-INDEX to construct an index for a data section. Because it contains the compiled version of the selection and source criteria, the index definition reflects the data definitions in existence when DEFINE-INDEX was executed and does not reflect any subsequent changes made to them. See Indexing for details.
| Attribute | Description |
|---|---|
| Item-id | Index name - Used by CREATE-INDEX to reference the index definition and shown in the Data Level Description (attribute 4) when the index has been created. |
| 001 | I - Specifies an index definition. |
| 002 | English selection and sort criteria. |
| 003 | Compiled selection and sort criteria. |