Property talk:P2721

Documentation

• Start a query
• Current uses
• Statistics by class
• String length
• List of qualifiers
• Count

Encyclopaedia Metallum release ID
identifier for a release in the Encyclopaedia Metallum database

Applicable "stated in" value	Encyclopaedia Metallum (Q938726)
Data type	External identifier
Domain	According to this template: musical release (Q2031291) According to statements in the property: musical release (Q2031291) or release group (Q108346082) When possible, data should only be stored as statements
Allowed values	\d+
Example	Mandylion (Q1889150) → 3349 Soul Destroyers (Q11894255) → 500 Smoke on the Water / Child in Time / Woman from Tokyo (Q15931285) → 5747
Source	https://www.metal-archives.com/
Formatter URL	https://www.metal-archives.com/release/view/id/$1 https://www.metal-archives.com/albums///$1
Tracking: usage	Category:Pages using Wikidata property P2721 (Q53986557)
See also	Encyclopaedia Metallum band ID (P1952), Encyclopaedia Metallum artist ID (P1989), Encyclopaedia Metallum label ID (P8166)
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 Mix'n'match (Report) Database reports/Constraint violations/P2721 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 6,410 Main statement 6,369 99.4% of uses Qualifier 3 <0.1% of uses Reference 38 0.6% of uses
Search for values

[create Create a translatable help page (preferably in English) for this property to be included here]

Type “musical release (Q2031291), release group (Q108346082)”: item must contain property “instance of (P31)” with classes “musical release (Q2031291), release group (Q108346082)” 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/P2721#Type Q2031291, Q108346082, SPARQL

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/P2721#Single value, SPARQL

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

List of violations of this constraint: Database reports/Constraint violations/P2721#Unique value, hourly updated report, SPARQL (every item), SPARQL (by value)

Format “\d+”: value must be formatted using this pattern (PCRE syntax). (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/P2721#Format, 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/P2721#Entity types

Conflicts with “instance of (P31): human (Q5)”: this property must not be used with the listed properties and values. (Help)

List of violations of this constraint: Database reports/Constraint violations/P2721#Conflicts with P31, hourly updated report, search, SPARQL

Conflicts with “instance of (P31): audio track (Q7302866), music track with vocals (Q55850593), music track without lyrics (Q55850643), song (Q7366), composed musical work (Q207628)”: 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/P2721#Conflicts with P31, SPARQL

This property is being used by: it:Template:Collegamenti musica fi:Malline:Metal-archives, fi:Malline:Metal-archives-levy Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)