I1 (2 points)
https://knobit.org/id/task/mm-column-lineage/I1
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| dcterms:license | https://creativecommons.org/licenses/by/4.0/ |
|---|---|
| owl:sameAs | https://bitbucket.org/reffa/ontology/id/task/mm-column-lineage/I1 |
| rdfs:label | I1 (2 points) en |
| schema:hasPart | mm-column-lineage I1a: edge from an uncatalogued column re-pointed to the staging column |
| schema:hasPart | mm-column-lineage I1b: source-to-staging edge cites the mapping it implements |
| schema:identifier | I1 |
| schema:position | 4 |
| schema:text | 1 each. (a) Broken hop: LG-207 comes from CE-117, which is not in the catalogue; its logic reads days_past_due, and the staging column CE-112 days_past_due feeds nothing. The edge becomes CE-112 -> CE-122 (LG-207's from changed, or LG-207 retired and a new edge drawn) and no live edge is left to or from CE-117. Proposing a catalogue entry CE-117, or an open question alone, earns nothing. (b) Integration edge without its mapping: LG-201 crosses from the loan servicing system into staging with mapping_id null; it cites MP-311, the mapping its sibling edges LG-202..LG-204 implement and whose rules hold its logic - not MP-312 or MP-305. en |