oracle命令只能启动数据库实例,但不能装载和打开数据库的是什么

Question

如题所述

Answer 1

startup nomout只启动数据库例程，startup mout装载数据库

Answer 2

var mycars = new Array()
Composite comp2 = new Composite("Composite XY");
comp2.Add(new Leaf("Leaf XYA"));
comp2.Add(new Leaf("Leaf XYB"));
root.Add(comp2);
root.Add(new Leaf("Leaf C"));

Answer 3

报错显示什么

Answer 4

Startup nomount