请各位帮忙。
eoak 2002-05-12 10:11:17 我在preview窗口中修改了数据,然后关闭窗口,结果
出现是否将修改保存到数据库中的提示,
我确认修改,于是出现下面的提示:
[
database
Row changed between retrieve and update.
No changes made to database.
UPDATE "table_whole" SET "id" = ? WHERE "id" IS NULL AND "国标编号" IS NULL AND "名称(英)" IS NULL AND "名称(汉)" IS NULL AND "国别" IS NULL AND "发射日期:" IS NULL AND "类型" IS NULL AND "轨道参数:x" IS NULL AND "轨道参数:y" IS NULL AND "轨道参数:z" IS NULL AND "轨道参数:vx" IS NULL AND "轨道参数:vy" IS NULL AND "轨道参数:vz" IS NULL AND "经度" IS NULL AND "纬度" IS NULL AND "高度" IS NULL AND "速度" IS NULL AND "方位角" IS NULL AND "速度倾角" IS NULL AND "升交点赤经" IS NULL AND "近地点幅角" IS NULL AND "偏心率" IS NULL AND "平近点角" IS NULL AND "长半轴" IS NULL AND "备注" IS NULL
]
这是什么情况造成的呢?
请赐教。