*int,integer,-1
*varchar,varchar,-1
*char,char,-1
*text,longtext,-1
*clob,longtext,-1
*real,double,-1
*float,float,-1
*double,double,-1
*numeric,numeric,-1
*decimal,numeric,-1
*blob,longbinary,-1
*binary,longbinary,-1
*date,varchar,25
*boolean,varchar,4
*image,longbinary,-1