Dontopedia

username

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

username has 33 facts recorded in Dontopedia across 8 references, with 5 live disagreements.

33 facts·12 predicates·8 sources·5 in dispute

Mostly:rdf:type(6), is nullable(5), has data type(3)

Maturity scale raw canonical shape-checked rule-derived certified

Inbound 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.

hasColumnHas Column(4)

definesColumnDefines Column(2)

includesColumnIncludes Column(1)

resultColumnResult Column(1)

selectsColumnSelects Column(1)

Other facts (28)

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.

28 facts
PredicateValueRef
Rdf:typeColumn[3]
Rdf:typeDatabase Column[4]
Rdf:typeDatabase Column[5]
Rdf:typeDatabase Column[6]
Rdf:typeDatabase Column[7]
Rdf:typeColumn[8]
Is Nullabletrue[2]
Is Nullablefalse[3]
Is Nullabletrue[4]
Is Nullabletrue[6]
Is Nullabletrue[7]
Has Data Typevarchar(255)[4]
Has Data TypeVARCHAR(255) NOT NULL[5]
Has Data TypeVarchar 255 Data Type[6]
Has Nameusername[1]
Has Nameusername[2]
Data TypeText[3]
Data TypeVarchar 255[7]
Part of TableDecision Log Denormalized Table[4]
Part of TableUser Profiles Table[6]
Is Primary Keyfalse[6]
Is Primary Keyfalse[7]
Is Uniquefalse[6]
Is Uniquefalse[7]
Is Nullable Argtrue[1]
Has Type ArgVARCHAR(255) NOT NULL[1]
Has TypeVARCHAR(255)[2]
Has Column Position3[7]

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.

isNullableArgblah/omega/part-875
true
hasTypeArgblah/omega/part-875
VARCHAR(255) NOT NULL
hasNameblah/omega/part-875
username
hasTypeblah/omega/part-877
VARCHAR(255)
isNullableblah/omega/part-877
true
hasNameblah/omega/part-877
username
typeblah/omega/472
ex:Column
labelblah/omega/472
username
dataTypeblah/omega/472
ex:text
isNullableblah/omega/472
false
typeblah/omega/723
ex:DatabaseColumn
partOfTableblah/omega/723
ex:decision-log-denormalized-table
labelblah/omega/723
username
hasDataTypeblah/omega/723
varchar(255)
isNullableblah/omega/723
true
typeblah/omega/869
ex:DatabaseColumn
labelblah/omega/869
username
hasDataTypeblah/omega/869
VARCHAR(255) NOT NULL
typeblah/omega/878
ex:DatabaseColumn
labelblah/omega/878
username
hasDataTypeblah/omega/878
ex:varchar-255-data-type
isNullableblah/omega/878
true
isPrimaryKeyblah/omega/878
false
isUniqueblah/omega/878
false
partOfTableblah/omega/878
ex:user-profiles-table
typeblah/omega/877
ex:DatabaseColumn
labelblah/omega/877
username
dataTypeblah/omega/877
ex:VARCHAR-255
isNullableblah/omega/877
true
isPrimaryKeyblah/omega/877
false
isUniqueblah/omega/877
false
hasColumnPositionblah/omega/877
3
typeblah/omega/965
ex:Column

References (8)

8 references
  1. [1]Part 8753 facts
    ctx:discord/blah/omega/part-875
  2. [2]Part 8773 facts
    ctx:discord/blah/omega/part-877
  3. [3]4724 facts
    ctx:discord/blah/omega/472
    • full textomega-472
      text/plain2 KBdoc:agent/omega-472/b0228c6f-2cca-4f74-aa55-cf3e1fad11cd
      Show excerpt
      [2025-12-02 16:25] omega [bot]: The user_profiles table schema in your PostgreSQL database includes the following main columns: - id (text, primary key, not nullable) - user_id (text, unique, not nullable) - username (text, not nullable) -
  4. [4]7235 facts
    ctx:discord/blah/omega/723
    • full textomega-723
      text/plain3 KBdoc:agent/omega-723/c7b49ed4-81d5-46d0-a1cb-043592810423
      Show excerpt
      [2025-12-13 13:46] omega [bot]: 🔧 2/2: pgCreateTable ✅ Success **Args:** ```json { "table": "decision_log_denormalized", "columns": [ { "name": "id", "type": "bigserial", "nullable": false, "primaryKey": true
  5. [5]8693 facts
    ctx:discord/blah/omega/869
    • full textomega-869
      text/plain2 KBdoc:agent/omega-869/dc84467d-bbf2-49ba-ad98-dee6df5b567b
      Show excerpt
      [2026-01-17 04:26] omega [bot]: 🔧 19/30: pgInsert ❌ Failed **Args:** ```json { "table": "user_profiles", "rows": [], "returning": [ "user_id", "username", "uploaded_photo_url" ] } ``` **Result:** ```json { "success": f
  6. [6]8787 facts
    ctx:discord/blah/omega/878
    • full textomega-878
      text/plain1 KBdoc:agent/omega-878/26fe673c-ddf0-458b-9657-974df8b95e2a
      Show excerpt
      [2026-01-17 04:26] omega [bot]: 🔧 13/30: pgCreateTable ✅ Success **Args:** ```json { "table": "user_profiles", "columns": [ { "name": "id", "type": "SERIAL", "nullable": false, "primaryKey": true, "uniq
  7. [7]8777 facts
    ctx:discord/blah/omega/877
    • full textomega-877
      text/plain2 KBdoc:agent/omega-877/fd354505-0480-4aa8-9043-12d036113933
      Show excerpt
      [2026-01-17 04:26] omega [bot]: 🔧 30/30: pgInsert ❌ Failed **Args:** ```json { "table": "user_profiles", "rows": [], "returning": [ "user_id", "username", "uploaded_photo_url" ] } ``` **Result:** ```json { "success": f
  8. [8]9651 fact
    ctx:discord/blah/omega/965
    • full textomega-965
      text/plain2 KBdoc:agent/omega-965/f41d065d-9a3f-4b31-9c5b-005b38fdede9
      Show excerpt
      [2026-01-26 02:38] omega [bot]: 🔧 1/3: postgresQueryExecutor ✅ Success **Args:** ```json { "query": "SELECT id, username, message_content FROM messages WHERE channel_name = 'general' ORDER BY timestamp DESC LIMIT 20" } ``` **Result:** ```

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