column values with the same key value addition

Dear professionals,
I created the table like this:
 create table acc_test (
id      number,
col1    varchar2(20),
col2    number,
col3    number);

insert into acc_test (id,col1,col2,col3) values ('1','ttt','10','15');
insert into acc_test (id,col1,col2,col3) values ('1','aba','5','0');
insert into acc_test (id,col1,col2,col3) values ('2','abc','12','7');
insert into acc_test (id,col1,col2,col3) values ('3','ddd','6','15');
insert into acc_test (id,col1,col2,col3) values ('3','df','4','15');
insert into acc_test (id,col1,col2,col3) values ('4','kl','10','15');
How to write a query for this data set:
ID                     COL1                 COL2             COL3 
---------------------- -------------------- ---------------------- -----
1                      ttt                  15 (10+5)          15  (15+0) 
2                      abc                  12                 7    
3                      ddd                  10 (6+4)           30  (15+15)   
4                      kl                   10                 15  
THX in advance,
Adnan

You can use this query:

SQL> SELECT id,col1,SUM(col2) OVER (PARTITION BY id) col2
  2                ,SUM(col3) OVER (PARTITION BY id) col3
  3  FROM acc_test ;

        ID COL1                       COL2       COL3
---------- -------------------- ---------- ----------
         1 ttt                          15         15
         1 aba                          15         15
         2 abc                          12          7
         3 ddd                          10         30
         3 df                           10         30
         4 kl                           10         15

6 rows selected.

However, if you notice that you can find that the two lines as

     ID COL1                       COL2       COL3
------- -------------------- ---------- ----------
      1 ttt                          15         15
      1 aba                          15         15

are present in the result set. Now, he must explain that you want to remove, and why.

If you say, it is not important, then with the data of your second posting, it's even easier!

SQL> SELECT id,col1,SUM(col2)
  2                ,SUM(col3)
  3  FROM acc_test
  4  GROUP BY id,col1
  5  ORDER BY 1 ;

        ID COL1                  SUM(COL2)  SUM(COL3)
---------- -------------------- ---------- ----------
         1 ttt                          15         15
         2 abc                          12          7
         3 ddd                          10         30
         4 kl                           10         15

Published by: Johan on November 24, 2010 16:48

Tags: Database

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    (4) another way of the ADF is to implement a custom EntityImpl class for the Employee entity and override the doDML() method where you can remove the lines needed in SALARIES and TEAMS through JDBC calls tables whenever a DELETE operation is performed on the Employee of the underlying entity.

    Dimitar

  • update of table with similar registration information using the same key

    Version: 11.1.0.7.0

    We have large table probably 30 M records

    -test code table follows

    create table people)

    person_id number,

    first name varchar2 (50).

    middle_name varchar2 (50).

    last_name varchar2 (50)

    );

    insert into persons (person_id, first_name, last_name, middle_name) values (1, 'JOHN', 'A', 'DOE');

    insert into people (person_id, first_name, last_name, middle_name) values (1, 'JOHN', ","DOE");

    insert into persons (person_id, first_name, last_name, middle_name) values (1, 'JOHN', 'ADAM', 'DOE');

    insert into persons (person_id, first_name, last_name, middle_name) values (2, 'JOHN', ' C ', 'DOE');

    insert into people (person_id, first_name, last_name, middle_name) values (2, 'JOHN', ","DOE");

    insert into people (person_id, first_name, last_name, middle_name) values (3, 'JOHN', ","MOE");

    insert into persons (person_id, first_name, last_name, middle_name) values (3, 'JOHN', 'FRANK', 'MOE');

    I am trying to write more efficient code to take the middle name of the most complete and updated all records with the same KEY (person_id) with her.

    Expected result:

    1, JOHN, ADAM, DOE

    1, JOHN, ADAM, DOE

    1, JOHN, ADAM, DOE

    2, JOHN, C., DOE

    2, JOHN, C., DOE

    3, JOHN, FRANK, MOE

    3, JOHN, FRANK, MOE

    Hello

    Here is an example of the use of the aggregate LAST instead of the function ROW_NUMBER analytic function:

    MERGE INTO dst people

    WITH THE HELP OF)

    WITH got_longest_middle_name AS

    (

    SELECT person_id

    , MIN (middle_name) DUNGEON (DENSE_RANK LAST ORDER OF LENGTH (REPLACE (middle_name, '.')))

    AS longest_middle_name

    AMONG the people

    WHERE middle_name IS NOT NULL

    GROUP BY person_id

    )

    SELECT person_id

    longest_middle_name

    Got_longest_middle_name c - c is for candidates

    WHERE DOES NOT EXIST)

    SELECT 1

    AMONG the people

    WHERE person_id = c.person_id

    AND c.longest_middle_name NOT AS REPLACE (middle_name, '.'). '%'

    )

    )             src

    WE (dst.person_id = src.person_id)

    WHEN MATCHED THEN UPDATE

    SET dst.middle_name = src.longest_middle_name

    WHERE dst.middle_name <> src.longest_middle_name

    OR dst.middle_name IS NULL

    ;

    I suspect that this may be a little faster, but try it on your system with your data to make sure.

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