insert into t1 values("000101"),("691231"),("700101"),("991231"),("00000101"),("00010101"),("99991231"),("00101000000"),("691231000000"),("700101000000"),("991231235959"),("10000101000000"),("99991231235959"),("20030102030460"),("20030102036301"),("20030102240401"),("20030132030401"),("20031302030460");
Warnings:
Warning 1264 Data truncated, out of range for column 't' at row 14
Warning 1264 Data truncated, out of range for column 't' at row 15
Warning 1264 Data truncated, out of range for column 't' at row 16
Warning 1264 Data truncated, out of range for column 't' at row 17
Warning 1264 Data truncated, out of range for column 't' at row 18