创建自定义数组cron_type_number本方法中用到了自定义数组，需要单独创建createorreplace type cron_type_number astableofnumber(4); 创建函数cron_getnexttimeafter() 1createorreplacefunction cron_getnexttimeafter(cron varchar2,start_time varchar2default to_char(sysdate,‘yyyy-MM-dd hh24:mi:ss‘))2returnvarchar2 3as 4 result_time varchar2(1024);--返回结果 5 type l_cron_type_number istableofnumber(4) in...