我正在运行下面编写的人员代码并出现错误ORA-01830: date format picture ends before converting entire input string
我需要计算不同页面上两个日期的时间差(以分钟为单位)。
Component datetime &datetimefrom;
Component datetime &datetimeto;
SQLExec("SELECT to_char(sysdate, 'YYYY-MM-DD HH24-MI-SS') FROM DUAL", &datetimefrom);
SQLExec("SELECT to_char(sysdate, 'YYYY-MM-DD HH24-MI-SS') FROM DUAL", &datetimeto);
SQLExec("Select %DateTimeDiff(:1, :2) from dual", &datetimefrom, &datetimeto, &Diff);
请建议如何解决这个问题?