Dontopedia

Primary Key Constraint

From Dontopedia, the open, paraconsistent wiki. (Last updated 2026-06-10.)

Primary Key Constraint has 16 facts recorded in Dontopedia across 9 references, with 3 live disagreements.

16 facts·6 predicates·9 sources·3 in dispute

Mostly:rdf:type(8), ensures(2), ex:applies to(1)

Maturity scale raw canonical shape-checked rule-derived certified

Inbound mentions (6)

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.

hasConstraintHas Constraint(4)

constraintConstraint(2)

Other facts (14)

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.

14 facts
PredicateValueRef
Rdf:typeDatabase Constraint[1]
Rdf:typeTable Constraint[1]
Rdf:typeDatabase Constraint[3]
Rdf:typeDatabase Constraint[4]
Rdf:typeDatabase Constraint[5]
Rdf:typeConstraint[7]
Rdf:typeDatabase Constraint[8]
Rdf:typeConstraint[9]
Ensurescolumn-uniqueness[1]
EnsuresUnique Identification[6]
Ex:applies toId[2]
Applies toId Field[3]
Applies toId Column[4]
Applies to ColumnId Column[9]

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.

16 undated
—
typebeam/395cde0a-68e4-43cb-8f0a-783e3f8d4c2f
ex:DatabaseConstraint
—
labelbeam/395cde0a-68e4-43cb-8f0a-783e3f8d4c2f
Primary Key Constraint
—
typebeam/395cde0a-68e4-43cb-8f0a-783e3f8d4c2f
ex:TableConstraint
—
ensuresbeam/395cde0a-68e4-43cb-8f0a-783e3f8d4c2f
column-uniqueness
—
appliesTobeam/c0f83d9b-9ae1-4921-8349-79dbfce9323a
ex:id
—
typebeam/91555462-6b03-438a-96b5-a935827ab5a5
ex:DatabaseConstraint
—
appliesTobeam/91555462-6b03-438a-96b5-a935827ab5a5
ex:id-field
—
typebeam/a4af861a-1fb7-4dab-84ef-3df0708cef25
ex:DatabaseConstraint
—
applies_tobeam/a4af861a-1fb7-4dab-84ef-3df0708cef25
ex:id-column
—
typebeam/0db33ff8-7cc5-4c92-b9ac-254a3abe4a0d
ex:DatabaseConstraint
—
ensuresbeam/d4c82979-1650-4b89-a2fa-a0ec5b37bb69
ex:unique-identification
—
typebeam/19ada42c-81a7-447a-bbe1-2b5719782b59
ex:Constraint
—
labelbeam/19ada42c-81a7-447a-bbe1-2b5719782b59
PRIMARY KEY constraint
—
typebeam/0453511f-0e28-4b20-adee-69ae7f0eacf6
ex:DatabaseConstraint
—
typebeam/4da5e6e6-6f55-4c0d-b94f-19f0ca28767b
ex:Constraint
—
appliesToColumnbeam/4da5e6e6-6f55-4c0d-b94f-19f0ca28767b
ex:id-column

References (9)

9 references
  1. [1]395cde0a 68e4 43cb 8f0a 783e3f8d4c2f4 facts
    ctx:claims/beam/395cde0a-68e4-43cb-8f0a-783e3f8d4c2f
    • full textbeam-chunk
      text/plain1 KBdoc:beam/395cde0a-68e4-43cb-8f0a-783e3f8d4c2f
      Show excerpt
      Referential integrity ensures that relationships between tables are maintained. This is typically handled by the database management system (DBMS) through foreign key constraints. #### 4. Use Database Management System Features Most DBMSs…
  2. [2]C0f83d9b 9ae1 4921 8349 79dbfce9323a1 fact
    ctx:claims/beam/c0f83d9b-9ae1-4921-8349-79dbfce9323a
  3. [3]91555462 6b03 438a 96b5 A935827ab5a52 facts
    ctx:claims/beam/91555462-6b03-438a-96b5-a935827ab5a5
    • full textbeam-chunk
      text/plain1 KBdoc:beam/91555462-6b03-438a-96b5-a935827ab5a5
      Show excerpt
      By following these steps and best practices, you can ensure that your compliance checks are regularly reviewed and updated, helping to maintain the security and integrity of your system. [Turn 1362] User: I'm trying to design a risk API th…
  4. [4]A4af861a 1fb7 4dab 84ef 3df0708cef252 facts
    ctx:claims/beam/a4af861a-1fb7-4dab-84ef-3df0708cef25
    • full textbeam-chunk
      text/plain1 KBdoc:beam/a4af861a-1fb7-4dab-84ef-3df0708cef25
      Show excerpt
      Next, you can create an index on the `title` column to speed up queries that involve filtering or sorting by `title`. ```sql CREATE INDEX idx_title ON documents (title); ``` ### Full SQL Script Here is the full SQL script to …
  5. [5]0db33ff8 7cc5 4c92 B9ac 254a3abe4a0d1 fact
    ctx:claims/beam/0db33ff8-7cc5-4c92-b9ac-254a3abe4a0d
    • full textbeam-chunk
      text/plain987 Bdoc:beam/0db33ff8-7cc5-4c92-b9ac-254a3abe4a0d
      Show excerpt
      - **Error Handling**: The example includes basic error handling to print the error message if the request fails. - **Model Selection**: You can change the `model` parameter to use different models provided by Cohere. Feel free to modify th…
  6. [6]D4c82979 1650 4b89 A2fa A0ec5b37bb691 fact
    ctx:claims/beam/d4c82979-1650-4b89-a2fa-a0ec5b37bb69
    • full textbeam-chunk
      text/plain1 KBdoc:beam/d4c82979-1650-4b89-a2fa-a0ec5b37bb69
      Show excerpt
      FieldSchema(name="id", dtype=DataType.INT64, is_primary=True), FieldSchema(name="vector", dtype=DataType.FLOAT_VECTOR, dim=3) ] schema = CollectionSchema(fields, "RAG Vector Collection") collection = Collection("rag_vectors", schema…
  7. [7]19ada42c 81a7 447a Bbe1 2b5719782b592 facts
    ctx:claims/beam/19ada42c-81a7-447a-bbe1-2b5719782b59
  8. [8]0453511f 0e28 4b20 Adee 69ae7f0eacf61 fact
    ctx:claims/beam/0453511f-0e28-4b20-adee-69ae7f0eacf6
    • full textbeam-chunk
      text/plain1 KBdoc:beam/0453511f-0e28-4b20-adee-69ae7f0eacf6
      Show excerpt
      3. **Logging**: Use logging to track the progress and any errors that occur during the process. 4. **Parallel Processing**: Use parallel processing to speed up the metadata extraction from multiple files simultaneously. ### Improved Code S…
  9. [9]4da5e6e6 6f55 4c0d B94f 19f0ca28767b2 facts
    ctx:claims/beam/4da5e6e6-6f55-4c0d-b94f-19f0ca28767b

See also

Keep researching

Missing something or suspicious of what's here? Kick off a research session — a Claude agent will investigate, cite its sources, and file new facts into a dedicated context you can review before accepting into the shared view.

↑