内容摘要：复制altertableteamaddconstraintid_numforeignkey(id)referencesgames(scores)INITIALLYdisable;

数据束复制alter table team add constraint id_num foreign key(id) references games(scores) INITIALLY disable;   alter table team enable constraint id_num EXCEPTIONS INTO EXCEPTIONS;   select * from EXCEPTIONS;  1.2.3.4.5.