-- character character char character varying char varying varchar national character national char nchar national character varying national char varying nchar varying -- LOBs character large object char large object clob national character large object nchar large object nclob binary large object blob -- binary binary binary varying varbinary -- numbers numeric decimal dec smallint integer int bigint float real double precision decfloat -- boolean boolean -- date & time date time timestamp time time ... with timestamp time ... without timestamp timestamp timestamp ... with timestamp timestamp ... without timestamp -- others interval row ref scope array multiset