VARCHAR
From Dontopedia, the open, paraconsistent wiki. (Last updated 2026-06-07.)
VARCHAR has 9 facts recorded in Dontopedia across 3 references, with 2 live disagreements.
Maturity scale
raw canonical shape-checked rule-derived certifiedInbound mentions (9)
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.
hasDataTypeHas Data Type(7)
- Role Name
ex:role-name - Role Name Field
ex:role-name-field - Status Ta
ex:status-ta - Status Tasks
ex:status-tasks - Task Name
ex:task-name - User Name
ex:user-name - User Name Field
ex:user-name-field
usesDataTypeUses Data Type(2)
- Description Column
ex:description-column - Name Column
ex:name-column
Other facts (6)
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 Type | [1] |
| Rdf:type | String Data Type | [1] |
| Rdf:type | Data Type | [2] |
| Rdf:type | Character String Type | [3] |
| Supports | variable-length-strings | [1] |
| Has Parameter | 255 | [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 (3)
ctx:claims/beam/395cde0a-68e4-43cb-8f0a-783e3f8d4c2f- full textbeam-chunktext/plain1 KB
doc:beam/395cde0a-68e4-43cb-8f0a-783e3f8d4c2fShow 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…
ctx:claims/beam/7d9700d6-4442-4d27-9d44-85c642b47d0e- full textbeam-chunktext/plain1 KB
doc:beam/7d9700d6-4442-4d27-9d44-85c642b47d0eShow excerpt
- `user_id`: Foreign key referencing the `users` table. - `role_id`: Foreign key referencing the `roles` table. - `start_date`: Start date of the assignment. - `end_date`: End date of the assignment. - `status`: Current statu…
ctx:claims/beam/a887db6d-930d-4434-bd71-e09c9979ef5e- full textbeam-chunktext/plain1 KB
doc:beam/a887db6d-930d-4434-bd71-e09c9979ef5eShow excerpt
FOREIGN KEY (assigned_role) REFERENCES roles(role_id) ); CREATE TABLE task_assignments ( assignment_id INT AUTO_INCREMENT PRIMARY KEY, task_id INT, user_id INT, role_id INT, start_date DATE, end_date DATE, status VARCHAR(25…
See also
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