OMOP/Documentation/CommonDataModel_Wiki_Files/StandardizedMetadata/METADATA.md

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The METADATA table contains metadata information about a dataset that has been transformed to the OMOP Common Data Model.
Field |Required |Type |Description
:------------------------------|:--------|:------------|:-----------------------------------------
|metadata_concept_id |Yes |integer |A foreign key that refers to a Standard Metadata Concept identifier in the Standardized Vocabularies.|
|metadata_type_concept_id |Yes |integer |A foreign key that refers to a Standard Type Concept identifier in the Standardized Vocabularies.|
|name |Yes |varchar(250) |The name of the Concept stored in metadata_concept_id or a description of the data being stored.|
|value_as_string |No |nvarchar |The metadata value stored as a string.|
|value_as_concept_id |No |integer |A foreign key to a metadata value stored as a Concept ID.|
|metadata date |No |date |The date associated with the metadata|
|metadata_datetime |No |datetime |The date and time associated with the metadata|
### Conventions
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