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1.----------------Ö´Ðд洢¹ý³ÌÓï¾ä-------------------
execute add_students 1,'ÕÅÈý','123456789'

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create or replace procedure Add_Students(ids number,names varchar2,phones varchar2)

is

id2 number;
name2 varchar2(10);
phone2 varchar2(20);

begin

id2 := ids;
name2 := names;
phone2 := phones;

insert into Students (id,name,phone) values (id2,name2,phone2);

end ;

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5.select row_number() over(order by id) row_id,* from students
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select row_number() over(order by id) row_id,name from students
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