drop table if exists t1; create table t1 (a date, b date, c date not null, d date); load data infile '../../std_data/loaddata1.dat' into table t1 fields terminated by ','; load data infile '../../std_data/loaddata1.dat' into table t1 fields terminated by ',' IGNORE 2 LINES; SELECT * from t1; a b c d 0000-00-00 NULL 0000-00-00 0000-00-00 0000-00-00 0000-00-00 0000-00-00 0000-00-00 2003-03-03 2003-03-03 2003-03-03 NULL 2003-03-03 2003-03-03 2003-03-03 NULL truncate table t1; load data infile '../../std_data/loaddata1.dat' into table t1 fields terminated by ',' LINES STARTING BY ',' (b,c,d); SELECT * from t1; a b c d NULL NULL 0000-00-00 0000-00-00 NULL 0000-00-00 0000-00-00 0000-00-00 NULL 2003-03-03 2003-03-03 NULL drop table t1;