前提：TIMER_TRIG_CHECK_INTERVAL参数需要修改为1
测试demo如下：

CREATE TABLE TEST_TI(ID INT IDENTITY(1,1),CREATETIME TIMESTAMP(6));

BEGIN
DBMS_JOB.SUBMIT ( 1, 'INSERT INTO SYSDBA.TEST_TI(CREATETIME) VALUES(NOW);', '2023-06-26 14:23:55', 'sysdate + 1/86400', true, 0 );
END;