Oracle游标或存储过程

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/* 方式1：可执行选取代码块允许 */ declare cursor cur_tmp is (     select    '' as tmp_status   from dual     ); begin   for tmp_row in cur_tmp loop     if tmp_row.tmp_status='0' then       begin        dbms_output.put_line('1111');       end;     elsif tmp_row.tmp_status!='0' then       begin        dbms_output.put_line('2222');       end;     else       begin        dbms_output.put_line('3333');       end;     end if;   end loop;       commit;      end;     /* 方式2：可执行选取代码块允许 */ declare   v_id1 varchar2(40);   v_id2 varchar2(40):='aaaaaaa';   v_id3 varchar2(40); cursor cur_tmp is (     select    '555' as tmp_status   from dual     ); begin   for tmp_row in cur_tmp loop           v_id1 := tmp_row.tmp_status;     dbms_output.put_line(v_id1);     dbms_output.put_line(v_id2);           if tmp_row.tmp_status='0' then       begin        dbms_output.put_line('1111');       end;     elsif tmp_row.tmp_status!='0' then       begin        dbms_output.put_line('2222');       end;     else       begin        dbms_output.put_line('3333');       end;     end if;   end loop;      commit;      end;       /* 方式3：存储过程模式--无入参 */ create or replace procedure 用户名.pro_cus_temp01 as     v_id1 varchar2(40);   v_id2 varchar2(40);   v_id3 varchar2(40);   begin       declare cursor cur_tmp is   (       select      '555' as tmp_status     from dual         );   begin     for tmp_row in cur_tmp loop               v_id1 := tmp_row.tmp_status;       dbms_output.put_line(v_id1);       dbms_output.put_line(v_id2);               if tmp_row.tmp_status='0' then         begin          dbms_output.put_line('1111');         end;       elsif tmp_row.tmp_status!='0' then         begin          dbms_output.put_line('2222');         end;       else         begin          dbms_output.put_line('3333');         end;       end if;     end loop;         end;       commit;   end; ---调用存储过程--无入参 call 用户名.pro_cus_temp01() ;     /* 方式4：存储过程模式--有入参 */ create or replace procedure 用户名.pro_cus_temp02 (   in_id1 in varchar2,   in_no in decimal ) is       v_id1 varchar2(40);   v_id2 varchar2(40);   v_id3 varchar2(40);   begin     declare cursor cur_tmp is   (       select      '555' as tmp_status     from dual     );   begin     for tmp_row in cur_tmp loop         v_id1 := in_id1;       dbms_output.put_line(v_id1);         if tmp_row.tmp_status='0' then         begin          dbms_output.put_line('1111');         end;       elsif tmp_row.tmp_status!='0' then         begin          dbms_output.put_line('2222');         end;       else         begin          dbms_output.put_line('3333');         end;       end if;     end loop;     end;     commit;   end; ---调用存储过程--有入参 call 用户名.pro_cus_temp02('kkkkk',0) ;