varchar*,varchar,-1
nvarchar*,varchar,-1
char*,char,-1
nchar*,char,-1
numeric*,decimal,-1
decimal*,decimal,-1
*float,float4,-1
*double,float8,-1
date*,date,-1
timestamp*,timestamp,-1
*binary,bytea,-1
*blob,bytea,-1
*clob,text,-1
*bigint,bigint,-1
*int,int,-1
real*,float8,-1
*graphic,varchar,-1
time*,time,-1
xml*,text,-1
rowid*,bigint,-1