create unique index test_idx on test (col1,col2 ) nologging parallel(degree 8);
alter index test_idx noparallel logging;
alter table test add constraint test_constraint primary key (col1, col2) using index;
create unique index test_idx on test (col1,col2 ) nologging parallel(degree 8);
alter index test_idx noparallel logging;
alter table test add constraint test_constraint primary key (col1, col2) using index;