Select Specific Columns
From Dontopedia, the open, paraconsistent wiki. (Last updated 2026-06-10.)
Select Specific Columns has 7 facts recorded in Dontopedia across 1 reference.
Mostly:rdf:type(1), part of(1), describes(1)
Maturity scale
raw canonical shape-checked rule-derived certifiedInbound mentions (3)
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.
buildsUponBuilds Upon(1)
- Example Implementation
ex:example-implementation
demonstratesDemonstrates(1)
- Sql Select Example
ex:sql-select-example
requiresRequires(1)
- Explicit Column List
ex:explicit-column-list
Other facts (7)
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 | Optimization Technique | [1] |
| Part of | Query Optimization | [1] |
| Describes | Avoid Select Star | [1] |
| Prevents | Avoid Select Star | [1] |
| Improves | Query Performance | [1] |
| Reduces | Data Transfer Overhead | [1] |
| Enables | Effective Index Usage | [1] |
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 (1)
ctx:claims/beam/15343e7d-963c-4ba5-b8e3-4849f280339c- full textbeam-chunktext/plain1 KB
doc:beam/15343e7d-963c-4ba5-b8e3-4849f280339cShow excerpt
#### Query Optimization 1. **Select Specific Columns**: Avoid using `SELECT *` and explicitly list the columns you need. ```sql SELECT document_id, title, content FROM documents WHERE document_id = 12345; ``` 2. **Analyze Que…
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.