create or replace procedure 存储过程名(param1 in type,param2 out type)
as
变量1 类型(值范围); --vs_msg VARCHAR2(4000);
变量2 类型(值范围);
Begin
Select count(*) into 变量1 from 表A where列名=param1;
If (判断条件) then
Select 列名 into 变量2 from 表A where列名=param1;
Dbms_output。Put_line(‘打印信息’);
Elsif (判断条件) then
Dbms_output。Put_line(‘打印信息’);
Else
Raise 异常名(NO_DATA_FOUND);
End if;
Exception
When others then
Rollback;
End;