Code:
insert into abc_structure(table_name, column_name, data_type, data_length, data_nullable, pk_seq, data_default)
values('ABC_struct_nbr1','attr1','varchar2',12,'N',1,'/* KEY=Y, INIT="", MANDATORY=Y */');
insert into abc_structure(table_name, column_name, data_type, data_length, data_nullable, pk_seq, data_default)
values('ABC_struct_nbr1','attr2','varchar2',12,'N',2,'/* KEY=Y, INIT="", MANDATORY=Y */');
insert into abc_structure(table_name, column_name, data_type, data_length, data_nullable, pk_seq, data_default)
values('ABC_struct_nbr1','attr3','number',22,'Y',null,'0.0/* KEY=N, INIT=0.0, MANDATORY=Y */');
insert into abc_structure(table_name, column_name, data_type, data_length, data_nullable, pk_seq, data_default)
values('ABC_struct_nbr1','attr4','number',22,'Y',null,'0.0 /* KEY=N, INIT=0.0, MANDATORY=Y */');
insert into abc_structure(table_name, column_name, data_type, data_length, data_nullable, pk_seq, data_default)
values('ABC_struct_nbr1','attr5','varchar2',20,'Y',null,'/* KEY=N, INIT="", MANDATORY=N */');
insert into abc_structure(table_name, column_name, data_type, data_length, data_nullable, pk_seq, data_default)
values('ABC_struct_nbr2','attr1','varchar2',10,'N',1,'/* KEY=Y, INIT="", MANDATORY=Y */');
insert into abc_structure(table_name, column_name, data_type, data_length, data_nullable, pk_seq, data_default)
values('ABC_struct_nbr2','attr2','varchar2',20,'N',2,'/* KEY=Y, INIT="", MANDATORY=Y */');
insert into abc_structure(table_name, column_name, data_type, data_length, data_nullable, pk_seq, data_default)
values('ABC_struct_nbr2','attr3','varchar2',1,'Y',null,'Y /* KEY=N, INIT="Y", MANDATORY=Y */');
insert into abc_structure(table_name, column_name, data_type, data_length, data_nullable, pk_seq, data_default)
values('ABC_struct_nbr299','attr1','varchar2',150,'N',1,'/* KEY=Y, INIT="", MANDATORY=Y */');
insert into abc_structure(table_name, column_name, data_type, data_length, data_nullable, pk_seq, data_default)
values('ABC_struct_nbr299','attr2','number',22,'N',null,'0 /* KEY=N, INIT=0, MANDATORY=Y */');
insert into abc_structure(table_name, column_name, data_type, data_length, data_nullable, pk_seq, data_default)
values('ABC_struct_nbr299','attr3','clob',null,'Y',null,'/* KEY=N, INIT="", MANDATORY=N */');