varchar*,VARCHAR,-1
nvarchar*,VARGRAPHIC,-1
char*,CHAR,-1
nchar*,GRAPHIC,-1
number*,DECIMAL,-1
*float,FLOAT,NONE
*double,DOUBLE,NONE
date*,TIMESTAMP,NONE
timestamp*,TIMESTAMP,NONE
*raw,BLOB,NONE
*blob,BLOB,NONE
*clob,CLOB,NONE
long raw,BLOB,NONE
long,CLOB,NONE
int*,INTEGER,NONE
interval*,TIMESTAMP,NONE
real*,FLOAT,NONE
*rowid,CHAR,18
decimal,DECIMAL,-1