业余时间尝试Oracle插入数据

第一种：begin

for r1 in 1..3000000 loop

insert into oracle_study(id,name) values(r1,'abc'|| r1);

commit;

end loop;

End;

35分钟57秒（2157.182秒)：插入3000000条

每秒1390.7032条

第二种：INSERT INTO ORA_STUDY SELECT * FROM ORACLE_STUDY;

COMMIT;

613.662秒：插入3000000条

每秒4888.6847条