PLSQL编程和游标
declare
v_name varchar2(20);
v_sid number(5):=7;
begin
select sname into v_name from t_student where sid=v_sid;
dbms_output.put_line(v_name);
end;
declare
v_name varchar2(20);
v_sid number(5):=7;
begin
select sname into v_name from t_student where sid=v_sid;
dbms_output.put_line(v_name);
end;