Dontopedia

username

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

username has 38 facts recorded in Dontopedia across 9 references, with 4 live disagreements.

38 facts·12 predicates·9 sources·4 in dispute

Mostly:rdf:type(7), is nullable(6), has data type(4)

Maturity scale raw canonical shape-checked rule-derived certified

Inbound mentions (12)

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.

hasColumnHas Column(7)

hasColumnDefinitionHas Column Definition(2)

hasMemberHas Member(2)

containsColumnDefinitionContains Column Definition(1)

Other facts (31)

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.

31 facts
PredicateValueRef
Rdf:typeColumn Definition[2]
Rdf:typeDatabase Column[3]
Rdf:typeDatabase Column[5]
Rdf:typeColumn[6]
Rdf:typeDatabase Column[7]
Rdf:typeColumn Definition[8]
Rdf:typeColumn Definition[9]
Is Nullablefalse[1]
Is Nullabletrue[3]
Is Nullabletrue[4]
Is Nullabletrue[6]
Is Nullabletrue[7]
Is Nullabletrue[8]
Has Data TypeVarchar 255[3]
Has Data TypeVarchar 255 Type[4]
Has Data TypeVARCHAR(255)[6]
Has Data TypeVarchar 255 Type[7]
Is Uniquefalse[6]
Is Uniquefalse[7]
Is Uniquefalse[8]
Data TypeVarchar 255[1]
Data TypeVARCHAR(255)[9]
Column Nameusername[2]
Column Nameusername[9]
Is Primary Keyfalse[6]
Is Primary Keyfalse[8]
Column Typevarchar(255)[2]
Stores Name of TypeUser[3]
Has Constraintnot-null[5]
Column ofUser Profiles Table[6]
Has DatatypeVARCHAR(255)[8]

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.

labelblah/omega/662
username
dataTypeblah/omega/662
ex:varchar-255
isNullableblah/omega/662
false
typeblah/omega/718
ex:ColumnDefinition
columnNameblah/omega/718
username
columnTypeblah/omega/718
varchar(255)
typeblah/omega/719
ex:DatabaseColumn
labelblah/omega/719
username
hasDataTypeblah/omega/719
ex:varchar-255
isNullableblah/omega/719
true
storesNameOfTypeblah/omega/719
ex:user
labelblah/omega/722
username
hasDataTypeblah/omega/722
ex:varchar-255-type
isNullableblah/omega/722
true
labelblah/omega/867
username
typeblah/omega/867
ex:DatabaseColumn
hasConstraintblah/omega/867
not-null
typeblah/omega/882
ex:Column
labelblah/omega/882
username
hasDataTypeblah/omega/882
VARCHAR(255)
isNullableblah/omega/882
true
isPrimaryKeyblah/omega/882
false
isUniqueblah/omega/882
false
columnOfblah/omega/882
ex:user-profiles-table
typeblah/omega/883
ex:DatabaseColumn
labelblah/omega/883
username
hasDataTypeblah/omega/883
ex:varchar-255-type
isNullableblah/omega/883
true
isUniqueblah/omega/883
false
typeblah/omega/884
ex:ColumnDefinition
labelblah/omega/884
username
hasDatatypeblah/omega/884
VARCHAR(255)
isNullableblah/omega/884
true
isPrimaryKeyblah/omega/884
false
isUniqueblah/omega/884
false
typeblah/omega/891
ex:ColumnDefinition
columnNameblah/omega/891
username
dataTypeblah/omega/891
VARCHAR(255)

References (9)

9 references
  1. [1]6623 facts
    ctx:discord/blah/omega/662
    • full textomega-662
      text/plain3 KBdoc:agent/omega-662/89f24148-e615-47a2-9d23-70bd11eaf4df
      Show excerpt
      [2025-12-05 23:47] omega [bot]: For the image storage feature in issue #814, I'll design a database schema including fields like: - `id` (primary key) - `user_id` (owner reference) - `filename` - `url` or `path` to the stored image - `desc
  2. [2]7183 facts
    ctx:discord/blah/omega/718
    • full textomega-718
      text/plain3 KBdoc:agent/omega-718/16bdbfbe-bb1b-4ac2-910e-11f1e0173cf7
      Show excerpt
      [2025-12-13 13:33] omega [bot]: 🔧 1/1: pgCreateTable ✅ Success **Args:** ```json { "table": "decision_log_denormalized", "columns": [ { "name": "id", "type": "bigserial", "nullable": false, "primaryKey": true
  3. [3]7195 facts
    ctx:discord/blah/omega/719
    • full textomega-719
      text/plain2 KBdoc:agent/omega-719/e6704b10-826d-4417-b5d1-e1e68d15f4a4
      Show excerpt
      [2025-12-13 13:44] omega [bot]: Here's the schema for the `decision_log_denormalized` table we created: ```json { "columns": [ { "name": "id", "type": "bigserial", "nullable": false, "primaryKey": true },
  4. [4]7223 facts
    ctx:discord/blah/omega/722
    • full textomega-722
      text/plain1 KBdoc:agent/omega-722/5c6a75f6-e7bc-4a2a-a7f0-c5cf8fc7ab40
      Show excerpt
      [2025-12-13 13:46] omega [bot]: 🔧 1/2: pgCreateTable ✅ Success **Args:** ```json { "table": "decision_logs", "columns": [ { "name": "id", "type": "serial", "nullable": false, "primaryKey": true, "unique
  5. [5]8673 facts
    ctx:discord/blah/omega/867
    • full textomega-867
      text/plain2 KBdoc:agent/omega-867/91ca847a-cc6d-4ebc-ad69-400057bca52c
      Show excerpt
      [2026-01-17 04:26] omega [bot]: 🔧 11/30: pgInsert ❌ Failed **Args:** ```json { "table": "user_profiles", "rows": [ { "id": "1", "user_id": "1438911683580919979" } ], "returning": [ "id", "user_id", "u
  6. [6]8827 facts
    ctx:discord/blah/omega/882
    • full textomega-882
      text/plain1 KBdoc:agent/omega-882/52463256-4614-4cd0-a302-d5c2d13df3a7
      Show excerpt
      [2026-01-17 04:26] omega [bot]: 🔧 19/30: pgCreateTable ✅ Success **Args:** ```json { "table": "user_profiles", "columns": [ { "name": "id", "type": "SERIAL", "nullable": true, "primaryKey": true, "uniqu
  7. [7]8835 facts
    ctx:discord/blah/omega/883
    • full textomega-883
      text/plain1 KBdoc:agent/omega-883/e6e56088-5a24-4d2c-bb6f-49ba1eeafad0
      Show excerpt
      [2026-01-17 04:26] omega [bot]: 🔧 20/30: pgCreateTable ✅ Success **Args:** ```json { "table": "user_profiles", "columns": [ { "name": "id", "type": "SERIAL", "nullable": false, "primaryKey": true, "uniq
  8. [8]8846 facts
    ctx:discord/blah/omega/884
    • full textomega-884
      text/plain1 KBdoc:agent/omega-884/97664511-eaea-4104-b868-7535e8f8a999
      Show excerpt
      [2026-01-17 04:26] omega [bot]: 🔧 21/30: pgCreateTable ✅ Success **Args:** ```json { "table": "user_profiles", "columns": [ { "name": "id", "type": "SERIAL", "nullable": false, "primaryKey": true, "uniq
  9. [9]8913 facts
    ctx:discord/blah/omega/891
    • full textomega-891
      text/plain3 KBdoc:agent/omega-891/912af3b7-7783-4197-a812-a74612201b36
      Show excerpt
      [2026-01-17 04:27] omega [bot]: 🔧 30/30: pgListTables ✅ Success **Args:** ```json { "includeSystemTables": false } ``` **Result:** ```json { "success": true, "tables": [ "abc_sheet_music", "agent_syntheses", "agents",

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