Key items can have individual or group uniqueness:
Example of individual uniqueness in key items
DATE value | PROCEDURE value | Result when data is submitted |
---|---|---|
May 1, 2009 | Hematocrit | Instance or row added |
May 1, 2009 | Hemoglobin | Instance or row rejected |
June 14, 2009 | Hematocrit | Instance or row rejected |
June 15, 2009 | Platelet count | Instance or row added |
Note: A set of key items for a repeating form can include both items that are individually unique and items that appear in the drop-down list for navigation but are not used to enforce uniqueness. The key items can come from the repeating form or from a non-repeating section in the form.
Example of group uniqueness in key items
DATE value | PROCEDURE value | Result when data is submitted |
---|---|---|
May 1, 2009 | Hematocrit | Instance or row added |
May 1, 2009 | Hemoglobin | Instance or row added |
June 14, 2009 | Hematocrit | Instance or row added |
May 1, 2009 | Hemoglobin | Instance or row rejected |
Note: If a group of key items is defined with group uniqueness, no other items in the repeating form or section can be defined as non-unique key items. Only the items that are defined with group uniqueness appear in the drop-down list of a repeating form.
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