Oracle³£Óýű¾Ê¾Àý

CREATE SEQUENCE s_report_id     INCREMENT BY 1   MAXVALUE 999999    START WITH 1;  
CREATE SEQUENCE checkup_no_seq  NOCYCLE          MAXVALUE 999999    START WITH 2;
 
CREATE OR REPLACE TRIGGER  bef_ins_report  
BEFORE INSERT ON busi_report
referencing old as old new as new
FOR EACH ROW
BEGIN 
         new.rep_id = s_report_id.nextval;  
END;  
CREATE OR REPLACE TRIGGER  bef_ins_report
BEFORE INSERT ON busi_report
FOR EACH ROW
DECLARE next_id NUMBER;
BEGIN
      SELECT s_report_id.NEXTVAL INTO next_id from dual;
      :new.rep_id := next_id;
END;
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CREATE OR REPLACE TRIGGER set_checkup_no
BEFORE INSERT ON checkup_history
FOR EACH ROW DECLARE next_checkup_no NUMBER;
BEGIN
      SELECT checkup_no_seq.NEXTVAL INTO next_checkup_no from dual;
      :new.checkup_no := next_checkup_no;
END;
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CREATE TABLE busi_report
(
  rep_id   number(6)   NOT NULL,
  content  varchar2(80) ,
  adder    varchar2(20) ,
  rep_src    varchar2(20) ,
  add_time  date ,
  rep_time  date ,
  PRIMARY KEY  (rep_id)
);
drop table BUSI_REPORT
select * from busi_report
insert into busi_report (rep_id, content, adder, rep_src, add_time, rep_time)  values(21,'ÌìPÓÐÓê','zss','adf',to_date('2002-3-2   12:31