-- 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