结论: 10g to 10g:整个用户导出,无法正常导入JOB 10g to 11g:impdp时加SCHEMAS参数会导致无法正常导入JOB 11g to 11g:可以正常导入JOB 参见:http://blog.163.com/myy10146@126/blog/static/1135571862013813104626930/
class Rational(n: Int, d: Int) { require(d != 0) private val g: Int = gcd(n, d) val number: Int = n / g val denom: Int = d / g def this(n: Int) = this(n, 1) override def toString: String = if (denom != 1) number + "/" + denom else number.toStrin