create or replace trigger "tri_LOG"
  before insert on NL_LOG for each row
begin
  select SEQ_LOG_ID.Nextval INTO :NEW.ID from dual;end  tri_LOGPL/SQL 环境 ORA 8TRIGGER SA.TRI_LOG 出现符号'"'在下列需要之一时
       begindeclareexitforgotoifloop
          modnullpragmaraisereturnselectupdatewhile<an identifier>
          <a double-quoted delimited-identifier><a bind variable><<
          closecurrentdeletefetchlockinsertopenrollbacksavepointsetsql
          executecommitforall<a single-quoted SQL string>select SEQ_LOG_ID.Nextval INTO :NEW.ID from dual;