Unique Row Identification
From Dontopedia, the open, paraconsistent wiki. (Last updated 2026-06-10.)
Unique Row Identification has 3 facts recorded in Dontopedia across 2 references, with 1 live disagreement.
Maturity scale
raw canonical shape-checked rule-derived certifiedInbound mentions (2)
Other subjects in dontopedia point AT this entity as a value. These are inverse relationships — e.g. "X motherOf this subject" — and answer questions the forward facts can't. Grouped by predicate.
functionFunction(1)
- Primary Key Constraints
ex:primary-key-constraints
providesProvides(1)
- Primary Key
ex:primary-key
Other facts (2)
The long tail: predicates that appear too rarely to warrant their own section. Filter or scroll to find a specific one. Each row links to its source.
| Predicate | Value | Ref |
|---|---|---|
| Rdf:type | Data Integrity Mechanism | [1] |
| Rdf:type | Database Function | [2] |
Timeline
Timeline axis is valid_time — when each source says the fact was true in the world, not when Dontopedia learned about it. Retracted rows are kept for provenance; coloured stripes indicate the context kind.
References (2)
ctx:claims/beam/5d87ce72-5a19-4c39-bedd-636fbf38e016- full textbeam-chunktext/plain1 KB
doc:beam/5d87ce72-5a19-4c39-bedd-636fbf38e016Show excerpt
[Turn 1137] Assistant: Ensuring that relationships between fields are properly enforced in a database is crucial for maintaining data integrity. Here are some steps and best practices to ensure that relationships are correctly defined and e…
ctx:claims/beam/92543d72-590a-4046-bfef-11efb61dbbf5- full textbeam-chunktext/plain1 KB
doc:beam/92543d72-590a-4046-bfef-11efb61dbbf5Show excerpt
CREATE INDEX idx_covering ON documents(document_id, title, content); ``` 3. **Primary Key or Unique Identifier**: Ensure that your table has a unique identifier, such as an auto-incrementing primary key, to uniquely identify each …
See also
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