varchar*,varchar2,-1
nvarchar*,varchar2,-1
char*,char,-1
nchar*,char,-1
numeric*,number,-1
decimal*,number,-1
*float,float,63
*double,float,126
date*,date,-1
timestamp*,date,-1
*binary,blob,-1
*blob,blob,-1
*clob,clob,-1
*bigint,number,-1
*int,number,38
real*,float,126
*graphic,varchar2,-1
time*,varchar2,-1
xml*,clob,-1
rowid*,number,-1