SELECT document_type_code ,  document_type_name ,  document_type_description FROM Ref_document_types
SELECT document_type_code ,  document_type_name ,  document_type_description FROM Ref_document_types <table_name> : Ref_Document_Types col : Document_Type_Code | Document_Type_Name | Document_Type_Description row 1 : BK | Book | excellent row 2 : CV | CV | excellent row 3 : PT | Presentation | very good row 4 : PP | Paper | good row 5 : FM | Film | fun
col : Document_Type_Code | Document_Type_Name | Document_Type_Description row 1 : BK | Book | excellent row 2 : CV | CV | excellent row 3 : PT | Presentation | very good row 4 : PP | Paper | good row 5 : FM | Film | fun