Using RDMI to Check Complex I/O Formats

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Another typical application of RDMI is to have an external component check, a complex IO format that is not available using the standard USoft IO format facility. This way of using RDMI is comparable to having a component perform a complex calculation, which cannot be done using standard SQL functions.

At this time you cannot use INVOKE in domain constraints. To have a component check a complex I/O format for values in a field, define a table constraint.