Property talk:P2909

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SecondHandSongs artist ID
identifier for an artist or group in the SecondHandSongs database

Applicable "stated in" value	SecondHandSongs (Q39871790)
Has quality	numeric identifier (Q93868746)
Data type	External identifier
Domain	According to this template: human (Q5) and musical ensemble (Q2088357) According to statements in the property: human (Q5) or group of humans (Q16334295) When possible, data should only be stored as statements
Allowed values	[1-9]\d*
Example	Pink Floyd (Q2306) → 560 Elvis Presley (Q303) → 103 Basshunter (Q383541) → 140558
Source	https://secondhandsongs.com/
Formatter URL	https://secondhandsongs.com/artist/$1
Tracking: usage	Category:Pages using Wikidata property P2909 (Q53978865)
See also	SecondHandSongs work ID (P2908)
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Most linked wikis Items with the most identifier properties Items with no other external identifier Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Chart by item creation date Map of people by place values: place of birth educated at work location residence place of death place of burial January 1st dates People with date of birth on January 1 People with date of death on January 1 People with both dates on January 1 Database reports/Humans with missing claims/P2909 Database reports/Constraint violations/P2909 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 9,167 Main statement 9,112 99.4% of uses Qualifier 3 <0.1% of uses Reference 52 0.6% of uses
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Single value: this property generally contains a single value. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2909#Single value, SPARQL

Distinct values: this property likely contains a value that is different from all other items. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2909#Unique value, SPARQL (every item), SPARQL (by value)

Type “human (Q5), group of humans (Q16334295)”: item must contain property “instance of (P31)” with classes “human (Q5), group of humans (Q16334295)” or their subclasses (defined using subclass of (P279)). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2909#Type Q5, Q16334295, SPARQL

Format “[1-9]\d*”: value must be formatted using this pattern (PCRE syntax). (Help)

List of violations of this constraint: Database reports/Constraint violations/P2909#Format, hourly updated report, SPARQL

Conflicts with “SecondHandSongs work ID (P2908)”: this property must not be used with the listed properties and values. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2909#Conflicts with P2908, search, SPARQL

Allowed entity types are Wikibase item (Q29934200): the property may only be used on a certain entity type (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2909#Entity types

Scope is as main value (Q54828448), as reference (Q54828450): the property must be used by specified way only (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2909#Scope, SPARQL

This property is being used by: it:Template:SecondHandSongs, it:Template:Collegamenti musica he:תבנית:פרופילי מוזיקאים Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)