codice:
#
# Table structure for table 'test'
#

CREATE TABLE /*!32300 IF NOT EXISTS*/ test (
  a tinyint(3) unsigned DEFAULT '0' ,
  b tinyint(3) unsigned DEFAULT '0' 
);

"SELECT a,b,SUBSTRING(a/b FROM INSTR(a/b,'.')) FROM test;"


"SELECT a,b,ABS(FLOOR(a/b)-a/b) FROM test;"