varchar*,VARCHAR,-1
nvarchar*,VARCHAR,-1
char*,CHAR,-1
nchar*,CHAR,-1
number*,DECIMAL,-1
*float,FLOAT,-1
*double,DOUBLE-1
date*,VARCHAR,25
timestamp*,VARCHAR,50
long raw,BLOB,-1
*raw,BLOB,-1
long,VARCHAR,-1
int*,DECIMAL,-1
interval*,VARCHAR,-1
real*,FLOAT,-1
*rowid,CHAR,18
*blob,BLOB,-1
*nclob,CLOB,-1
*clob,CLOB,-1
decimal,numeric,-1
xmltype,CLOB,-1