tokens: And , to answer the direct question , VARCHAR columns can only be up to 255 bytes long ; LVARCHAR columns can be up to about 32 KB ; CHAR columns can be up to 32 KB ; TEXT columns can be up to 2 GB , and CLOB columns can be even larger .
ner_tags: O O O O O O O O B-Data_Type B-Data_Structure O O O O O O O O O B-Data_Type B-Data_Structure O O O O O O O O B-Data_Type B-Data_Structure O O O O O O O B-Data_Type B-Data_Structure O O O O O O O O B-Data_Type B-Data_Structure O O O O O