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;