It depends on the configuration. Check from eav_attribute table the attributes.
- 41 category name
- 71 name of product
- 72 description
- 73 short description
- 84 meta_description
- 96 status
- 97 url_key
Beware there is a type_id associated with certain attribute_id
select entity_id, value from catalog_product_entity_text where attribute_id = 73 and value like ‘%MF1%’
update catalog_product_entity_text set value = replace(value,’MF1′,”) where attribute_id = 73 and value like ‘%MF1%’ and entity_id = 1705