ENABLE Reference Manual

ENABLE ATTRIBUTES
TREE Attribute
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| <link-optional-clause> |
| |
| is one of: |
| |
| LINK <parent-join-field> TO OPTIONAL <child-join-field> |
| |
| or |
| |
| LINK <box-name> TO OPTIONAL <box-name> VIA <join-field> |
| |
| The <link-optional-clause> associates a parent box with |
| a child box, and is further described under |
| Considerations. |
| |
| <parent-join-field> |
| |
| is the name of a field through which the parent box is |
| linked to a child box. |
| |
| <child-join-field> |
| |
| is the name of a field through which a child box is |
| linked to its immediate parent-box. The |
| <child-join-field> should be a key field, the leading |
| (leftmost) portion of a composite key group, or a |
| courtesy key (the record number of an entry-sequenced, |
| relative, or unstructured file). If the |
| <child-join-field> is a courtesy key, it must be |
| identified by the keyword KEY. A primary key can also |
| be identified by the keyword KEY. |
| |
| <join-field> |
| |
| should be a key field, the leading (leftmost) portion of |
| a composite key field, or a courtesy key (the record |
| number of an entry-sequenced, relative, or unstructured |
| file) for the child box. If <join-field> is a courtesy |
| key, it must be identitied by the keyword KEY. |
| |
| The function of join fields is described in detail under |
| Considerations. |
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| ---> |
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