 Logic_name is also used in the pipeline to identify the analysis which has to run in a given status of the pipeline.
 The module column tells the pipeline which Perl module does the whole analysis, typically a RunnableDB module.
 
-@column analysis_id                 Primary key, internal identifier.
+@column analysis_id                 Internal ID
 @column created                     Date to distinguish newer and older versions off the same analysis.
 @column logic_name                  String to identify the analysis. Used mainly inside pipeline.
 @column db                          Database name.

@table analysis_description
@desc Allows the storage of a textual description of the analysis, as well as a "display label", primarily for the EnsEMBL web site.

@column analysis_id            Primary key, internal identifier. Foreign key references to the @link analysis table.
@column description            Textual description of the analysis.
@column display_label          Display label for the EnsEMBL web site.
@column displayable            Flag indicating if the analysis description is to be displayed on the EnsEMBL web site.

@table unmapped_reason
@desc Describes the reason why a mapping failed.

@column unmapped_reason_id           Internal identifier.
@column summary_description          Summarised description.
@column full_description             Full description.

