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The CDM_SOURCE table contains detail about the source database and the process used to transform the data into the OMOP Common Data Model.
|cdm_source_name||Yes||varchar(255)||The full name of the source|
|cdm_source_abbrevation||No||varchar(25)||An abbreviation of the name|
|cdm_holder||No||varchar(255)||The name of the organization responsible for the development of the CDM instance|
|source_description||No||CLOB||A description of the source data origin and purpose for collection. The description may contain a summary of the period of time that is expected to be covered by this dataset.|
|source_documentation_reference||No||varchar(255)||URL or other external reference to location of source documentation|
|cdm_etl _reference||No||varchar(255)||URL or other external reference to location of ETL specification documentation and ETL source code|
|source_release_date||No||date||The date for which the source data are most current, such as the last day of data capture|
|cdm_release_date||No||date||The date when the CDM was instantiated|
|cdm_version||No||varchar(10)||The version of CDM used|
|vocabulary_version||No||varchar(20)||The version of the vocabulary used|