Oracle triggers and increment

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create sequence eos_serviceitems_sequ

    increment by 1       A few -- every time increased

      start with 1       To start counting from several

      nomaxvalue         -- set the maximum value to the number of. Here is not set.

      nocycle            -- has been accumulated, not cycle

      cache             -- can be specified number sequence, a pre allocated in memory (the default value: 20)

      order;

Create trigger

create trigger eos_serviceites before

       insert on eos_serviceitems for each row

           begin

              select eos_serviceitems_sequ.nextval into:new.serviceid from dual;

            end;

- new data

insert into eos_serviceitems(serviceno, servicename, servicetypeno, unit, unitprice, companyid, deleteflag)

values('FW001', '001 service name ','FWLB001', 'a', 15.5, 'GSID001',1);
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Posted by Yehudi at December 18, 2013 - 12:34 AM