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mysql 数据导出修改表结构后,再导入,新添加的字段插入默认值

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2016-06-06 09:38:30916browse

mysql数据

要实现的例子:
表A (a0,a1) 拥有数据100条

现在要将表结构修改为,A(a0,a1,a2),但是不想重新输入数据
所以,想先从旧的表中到处数据,然后导入新表,字段a2取默认值或固定值

求解决方案!!

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