1.过程,函数,包,type对象,触发器,子程序,

2.PL/SQL的语法(结构控制,语法,异常处理)

3.PL/SQL的调优

------------------------------------------------------------------------函数-------------------------------------------------------------------------------------

1.内置函数

2.自定义函数

3.有返回值,输入参数分为in,out,in out


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------------------------------------------------------------------------过程-------------------------------------------------------------------------------------

1.没有返回值,执行一个结果过程

2.

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