Dontopedia

B-tree indexes

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

B-tree indexes has 10 facts recorded in Dontopedia across 2 references, with 2 live disagreements.

10 facts·6 predicates·2 sources·2 in dispute

Mostly:rdf:type(2), used for(2), ex:efficient for(2)

Maturity scale raw canonical shape-checked rule-derived certified

Other facts (9)

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.

9 facts
PredicateValueRef
Rdf:typeIndex Type[1]
Rdf:typeIndex Type[2]
Used forEquality Queries[1]
Used forRange Queries[1]
Ex:efficient forequality queries[2]
Ex:efficient forordered retrieval[2]
SupportsRange Queries[1]
Ex:appropriate forinteger data type[2]
Ex:use Caserange queries and sorting[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.

typebeam/fbce5f5b-0607-4fa0-98f3-bf4eaf425a29
ex:IndexType
labelbeam/fbce5f5b-0607-4fa0-98f3-bf4eaf425a29
B-tree indexes
usedForbeam/fbce5f5b-0607-4fa0-98f3-bf4eaf425a29
ex:equality-queries
usedForbeam/fbce5f5b-0607-4fa0-98f3-bf4eaf425a29
ex:range-queries
supportsbeam/fbce5f5b-0607-4fa0-98f3-bf4eaf425a29
ex:range-queries
typebeam/d85391fa-21af-437e-8a7d-ba7bbd862695
ex:IndexType
appropriateForbeam/d85391fa-21af-437e-8a7d-ba7bbd862695
integer data type
useCasebeam/d85391fa-21af-437e-8a7d-ba7bbd862695
range queries and sorting
efficientForbeam/d85391fa-21af-437e-8a7d-ba7bbd862695
equality queries
efficientForbeam/d85391fa-21af-437e-8a7d-ba7bbd862695
ordered retrieval

References (2)

2 references
  1. ctx:claims/beam/fbce5f5b-0607-4fa0-98f3-bf4eaf425a29
    • full textbeam-chunk
      text/plain1 KBdoc:beam/fbce5f5b-0607-4fa0-98f3-bf4eaf425a29
      Show excerpt
      ### Best Practices for Indexing 1. **Identify Frequently Queried Columns**: - Identify columns that are frequently used in `WHERE`, `JOIN`, and `ORDER BY` clauses. These are good candidates for indexing. 2. **Use Composite Indexes**:
  2. ctx:claims/beam/d85391fa-21af-437e-8a7d-ba7bbd862695
    • full textbeam-chunk
      text/plain1 KBdoc:beam/d85391fa-21af-437e-8a7d-ba7bbd862695
      Show excerpt
      EXPLAIN SELECT * FROM documents WHERE document_id = 12345; ``` The output will show you the execution plan, including whether an index is being used and how many rows are being examined. ### Step 2: Ensure Proper Indexing Based on the `E

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