oracle创建序列

Posted 2021-02-13 xh_Blog

create table PROJ_ISMULTIBANK(
pid NUMBER(10) PRIMARY KEY auto,
projid NUMBER(10),
loanbankname VARCHAR2(250),
loanbankid VARCHAR2(300),
loanmoney float,
assureterm float,
assuretermtype VARCHAR2(4)
);

delete from PROJ_ISMULTIBANK where projid = xxx and pid not in ();

drop table PROJ_ISMULTIBANK;

CREATE SEQUENCE SEQ_PROJ_ISMULTIBANK_PID -- 建议使用表名+字段名+seq后缀

INCREMENT BY 1 -- 每次加几个

START WITH 1 -- 从1开始计数

NOMAXVALUE -- 不设置最大值

NOCYCLE -- 一直累加，不循环

NOCACHE -- 不建缓冲区

commit;

SELECT SEQ_PROJ_ISMULTIBANK_PID.NEXTVAL FROM dual;