用alter table 命令,将数值型字段改为字符型,记录的空白值会变成”0“
2022-12-06 18:09
[此贴子已经被作者于2022-12-6 18:41编辑过]
2022-12-06 18:40
2022-12-07 08:45

2022-12-07 09:13