2018-09-04 16:43:36 +00:00
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The METADATA table contains metadata information about a dataset that has been transformed to the OMOP Common Data Model.
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Field |Required |Type |Description
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:------------------------------|:--------|:------------|:-----------------------------------------
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|metadata_concept_id |Yes |integer |A foreign key that refers to a Standard Metadata Concept identifier in the Standardized Vocabularies.|
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|metadata_type_concept_id |Yes |integer |A foreign key that refers to a Standard Type Concept identifier in the Standardized Vocabularies.|
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|name |Yes |varchar(250) |The name of the Concept stored in metadata_concept_id or a description of the data being stored.|
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|value_as_string |No |nvarchar |The metadata value stored as a string.|
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|value_as_concept_id |No |integer |A foreign key to a metadata value stored as a Concept ID.|
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|metadata date |No |date |The date associated with the metadata|
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|metadata_datetime |No |datetime |The date and time associated with the metadata|
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### Conventions
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2018-09-27 19:09:54 +00:00
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No.|Convention Description
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:--------|:------------------------------------
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| 1 | One record in the Metadata table is pre-populated in the DDL indicating the CDM version of the database. |
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