== i2b2 Ontology and CRC Discussion: 1 == Questions asked and points to ponder. Access to the demo database is useful here... === Ontology Cell tables compared to CRC concept_dimension table === There are thress ontology tables within the demo Ontology cell: birn, i2b2 and custom_meta.[[br]] When I do a select count(*) where c_visualattribute like '%LA%' I get: * birn: 37 * custom_meta: 0 * i2b2: 93807