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A data type called MUMPS is available to those with programmer access. The input to this field will be executable M code. Each field of this type is stored on its own global node using the extract format (Em,n).
When an M type field is created, write protection of "@" is automatically given to it. Unless this is modified, only those with programmer access will be able to enter data into an M field.
Programmers are allowed to change the data type of an M field to, for example, free text. However, the values will still be stored in extract format on the subscripted node.
Reviewed/Updated: March 8, 2007