 @study_id                Study table primary id (foreign key).
 @experiment_sra_acc      SRA experiment accession (e.g. SRX000000).
 @title                   Title of the SRA experiment.
-@metasum                 Checksum of @title + @description.
+@metasum                 Checksum of @title.
 @date                    Entry timestamp.
 @status                  Active (True) or retired (False) row.
 

  UNIQUE KEY              (study_id, study_sra_acc)
) ENGINE=MyISAM;

/**

@experiment table

  UNIQUE KEY                           (analysis_param_id, analysis_id)
) ENGINE=MyISAM;

CREATE TRIGGER analysis_param_md5_upd_tr BEFORE UPDATE ON analysis_param
  FOR EACH ROW SET NEW.metasum = MD5( CONCAT(NEW.in_file_id, NEW.out_file_id, NEW.program, NEW.parameters) );
CREATE TRIGGER analysis_param_md5_ins_tr BEFORE INSERT ON analysis_param
  FOR EACH ROW SET NEW.metasum = MD5( CONCAT(NEW.in_file_id, NEW.out_file_id, NEW.program, NEW.parameters) );

/**

