Oracle???е?????????
???????????? ???????[ 2016/3/31 11:23:06 ] ????????????? Oracle
????????????demo_s:
????create sequence demo_s
????minvalue 1000
????maxvalue 999999999999999999
????start with 1000
????increment by 1
????cache 20;
?????????
????INCREMENT BY???????????????????????????????????????????????????????0???????28??
????START WITH?? ??????????????????????С???
????MAXVALUE ????????д??????28λ????????????????????????????С???
????NOMAXVALUE?? ??????????10^27??-1????default
????MINVALUE ?????????С???
????NOMINVALUE ????С???????1??-10^26????Default
????CYCLE ????????д??????С???????????????ɡ?
????NOCYCLE ??????????ɡ?Default.
????CACHE ??????????????????????????????????????????Сcache??2??
??????????У?
????select demo_s.nextval from dual;
????demo_s.nextval????????????????
??????
???·???
??????????????????
2023/3/23 14:23:39???д?ò??????????
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2021/9/17 15:19:29???·???????·
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2021/5/28 17:25:47??????APP??????????
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