How can I change this query? to get the results I want

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  Windows 7 network connection status sent/received packets in bytes by default. How can I change this setting so that the status is displayed in MBs.

  Hey Muhammad,

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  Design/default it appears in bytes not in MB.

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• I have run this query to get the result as below, but, even if my query is running fine, that I do not get the expected result.

  I'm looking for only column compare to my same target table as a table source.

  My query:
  

  
  

  Select case when column_name_s is null and column_name_t is not null

  then "alter table GRADE_CONVERSION drop | column_name_t | ';'

  When column_name_s is not null and column_name_t is null

  then "alter table GRADE_CONVERSION add | column_name_s | ' ' || data_type_s | « ; »

  else 'alter table modify GRADE_CONVERSION | column_name_t | ' ' || data_type_t | « ; »

  alterations of the end

  from (select s.column_name column_name_s, t.column_name column_name_t,

  s.data_type data_type_s, t.data_type data_type_t

  (select column_name, column_id, data_type

  of all_tab_cols@database

  where owner = 'erhan.

  and table_name = "GRADE_CONVERSION."

  + 1

  full outer join

  (select column_name, column_id, data_type

  of all_tab_cols@database

  where owner = 'sarigul.

  and table_name = "GRADE_CONVERSION."

  + 6

  on s.column_name = t.column_name

  )

  
  

  
  

  
  

  Tables:

  
  

  
  

  Target table: table GRADE_CONVERSION in sarigul@database

  
  

  LETTER_GRADE		VARCHAR2 (2)
  GRADE_POINT		NUMBER (3.2)
  MAX_GRADE		NUMBER (3)
  MIN_GRADE		NUMBER (3)

  
  

  
  

  
  

  Table source: Table GRADE_CONVERSION in erhan@database

  LETTER_GRADE		VARCHAR2 (2)
  GRADE_POINT		NUMBER (3.2)
  MAX_GRADE		NUMBER (3)
  MIN_GRADE		NUMBER (3)
  CREATED_BY		VARCHAR2 (30)
  CREATED_DATE		DATE
  MODIFIED_BY		VARCHAR2 (30)
  MODIFIED_DATE		DATE

  
  

  
  

  want to see output that is similar to this * (please ignore the names of column here it's just a clear example :))

  
  

  ALTER table Target_table change BOOK_ID Varchar2 (4);

  ALTER table Target_table I addSBN_10 Varchar2(13), null;

  ALTER table drop TITLE Target_table;

  Erhan_toronto wrote:

  1.I used src.nullable src_nullable and tgt.nullable tgt_nullable but only show Yes as below: but want to see the result as not null or null

  ALTER table TEST_TARGET change the NUMBER of MAX_GRADE (3, 2) Yes

  Ok. So it's all about the Yes and the no decoding to Default Null or Not Null, isn't it?

  So, to test, change one of the table of sample for NOT NULL columns in the source table, and then run the following query:

  with src as
  (
    select src.table_name src_table_name, src.column_name src_col_name, src.data_type src_data_type, src.data_length src_data_len, src.data_precision src_data_precision, src.data_scale src_data_scale,
           src.nullable src_nullable
      from user_tab_columns src
     where table_name = 'TEST_SOURCE'
  ),
  tgt as
  (
    select tgt.table_name tgt_table_name, tgt.column_name tgt_col_name, tgt.data_type tgt_data_type, tgt.data_length tgt_data_len, tgt.data_precision tgt_data_precision, tgt.data_scale tgt_data_scale,
           tgt.nullable tgt_nullable
      from user_tab_columns tgt
     where table_name = 'TEST_TARGET'
  ),
  col_details as
  (
    select src.src_table_name, nvl(tgt.tgt_table_name, first_value(tgt_table_name) over(order by tgt_table_name nulls last)) tgt_table_name,
           src.src_col_name, src.src_data_type, src.src_data_len, src.src_data_precision, src.src_data_scale, src.src_nullable,
           tgt.tgt_col_name, tgt.tgt_data_type, tgt.tgt_data_len, tgt.tgt_data_precision, tgt.tgt_data_scale, tgt.tgt_nullable
      from src
      left outer join tgt
        on (
            src.src_col_name = tgt.tgt_col_name
           )
  )
  select *
    from (
          select case
                  when tgt_data_type != src_data_type or tgt_data_len != src_data_len or tgt_data_precision != src_data_precision or tgt_data_scale != src_data_scale or src_nullable != tgt_nullable
                    then 'alter table ' || tgt_table_name || ' modify ' || tgt_col_name || ' ' || src_data_type || ' (' ||
                    case when src_data_type in ('DATE') then null
                         else
                              case
                                when src_data_type in ('VARCHAR', 'VARCHAR2')
                                  then nvl(to_char(src_data_len), ' ') || ') '
                                else  decode(nvl(src_data_precision, -1), -1, null, nvl(to_char(src_data_precision), ' ') || ', ' || nvl(to_char(src_data_scale), ' ') || ')')
                              end
                    end
                    || decode(src_nullable, 'NO', ' NOT NULL', ' DEFAULT NULL')
                  when tgt_col_name is null
                    then 'alter table ' || tgt_table_name || ' add ' || src_col_name || ' ' || src_data_type ||
                    case when src_data_type in ('DATE') then null
                         else
                              case
                                when src_data_type in ('VARCHAR', 'VARCHAR2')
                                  then nvl(to_char(src_data_len), ' ') || ') '
                                else  decode(nvl(src_data_precision, -1), -1, null, nvl(to_char(src_data_precision), ' ') || ', ' || nvl(to_char(src_data_scale), ' ') || ')')
                              end
                    end
                    || decode(src_nullable, 'NO', ' NOT NULL', ' DEFAULT NULL')
                 end alter_statement
            from col_details
          )
  where alter_statement is not null;
  

  Erhan_toronto wrote:

  2. when I run below under user sarigul and erhan I get the result as OWNER, TABLE_NAME, COLUMN_NAME DATA_TYPE... I have a link between two users. They have access to two tables.

  • Select * from all_tab_columns

  where owner = 'erhan' and table_name = "TEST_SOURCE."

  • Select * from all_tab_columns

  where owner = 'sarigul' and table_name = "TEST_TARGET."

  Alright. This means that you both users are on the same database. Only change, you will have to do in the above query is so change user_tab_columns to all_tab_columns and add the OWNER predicate respectively with the clause.

• How can I change this query to generate a sequence

  This query

   
   select 
   SZSTCLA_PIDM, 
    SZSTCLA_TERM_CODE,
    SZSTCLA_LAST_NAME
    from SZSTCLA,SHRTGPA
   where SZSTCLA_PIDM IN ( 120125,186114)
   AND SHRTGPA_TERM_CODE = SZSTCLA_TERM_CODE
   AND  shrtgpa_pidm  = SZSTCLA_PIDM 
    AND SZSTCLA_RECORDED_EARNED_CRED > 0 
    ORDER BY SZSTCLA_TERM_CODE

  Returns the following results

  SZSTCLA_PIDM     SZSTCLA_TERM_CODE      SZSTCLA_LAST_NAME
  186114     198810     Johnson
  186114     198820     Johnson
  186114     198910     Johnson
  186114     198920     Johnson
  186114     199010     Johnson
  186114     199020     Johnson
  186114     199110     Johnson
  186114     199120     Johnson
  120125     200720     Smith
  120125     200810     Smith
  120125     200820     Smith
  120125     200910     Smith
  120125     200920     Smith
  120125     201010     Smith
  120125     201020     Smith
  120125     201110     Smith
  120125     201120     Smith

  Notice that ruptures in every szstcla_pidm, I need to change the query, so it can display a sequence number for each SZSTCLA_TERM_CODE
  so, it will be like

  SZSTCLA_PIDM     SZSTCLA_TERM_CODE      SZSTCLA_LAST_NAME                                    seq 
  186114                     198810                                     Johnson                         1
  186114                     198820                                     Johnson                         2
  186114                    198910                                     Johnson                         3
  186114                    198920                                     Johnson                         4
  186114                    199010                                     Johnson                         5
  186114                    199020                                     Johnson                         6
  186114                    199110                                     Johnson                         7
  186114                    199120                                     Johnson                         8 

  then

  SZSTCLA_PIDM     SZSTCLA_TERM_CODE      SZSTCLA_LAST_NAME                                      seq 
  
  120125                  200720                                   Smith                             1
  120125                  200810                                    Smith                             2
  120125                  200820                                   Smith                              3
  120125                  200910                                   Smith                              4
  120125                  200920                                   Smith                              5
  120125                  201010                                   Smith                              6
  120125                  201020                                   Smith                              7
  120125                  201110                                   Smith                              8
  120125                  201120                                   Smith                              9

  Looks like below, this is what you are looking for, but I can't understand why some documents are missing from the sample output

      COL1 COL2     SZSTCLT_LAST_NAME              RN
  -------- -------- ------------------------------ --
  
    120125 200920   Smith                           1
    120125 201010   Smith                           2 
  

  Maybe, if you could explain it, the query can be modified to exclude these folders as well. But, for now, downwards should suffice.

  select szstclt_pidm col1, szstclt_term_code col2, szstclt_last_name, row_number() over (partition by szstclt_pidm order by szstclt_term_code) rn
    from szstclt a
         join shrtgpt b on a.SZSTCLT_PIDM = b.SHRTGPT_PIDM and a.SZSTCLT_TERM_CODE = b.SHRTGPT_TERM_CODE
   where SZSTCLT_PIDM IN ( 120125,186114);
  
      COL1 COL2     SZSTCLT_LAST_NAME              RN
  -------- -------- ------------------------------ --
    120125 200920   Smith                           1
    120125 201010   Smith                           2
    120125 201020   Smith                           3
    120125 201110   Smith                           4
    120125 201120   Smith                           5
    186114 198810   Johnson                         1
    186114 198820   Johnson                         2
    186114 198910   Johnson                         3
    186114 198920   Johnson                         4
    186114 199010   Johnson                         5
    186114 199020   Johnson                         6
    186114 199110   Johnson                         7
    186114 199120   Johnson                         8 
  
   13 rows selected 
  

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  How can I change this request, so I can add the ID of the table SPRIDEN
  from now on gives me what I want:

   
  1,543     A05     24     A01     24     BAC     24     BAE     24     A02     20     BAM     20

  in a single line, but I would like to add the id and the name that is stored in the SPRIDEN table
  
  

   
  SELECT sortest_pidm,
         max(decode(rn,1,sortest_tesc_code)) tesc_code1,
         max(decode(rn,1,score)) score1,
         max(decode(rn,2,sortest_tesc_code)) tesc_code2,
         max(decode(rn,2,score)) score2,
         max(decode(rn,3,sortest_tesc_code)) tesc_code3,
         max(decode(rn,3,score))  score3,
         max(decode(rn,4,sortest_tesc_code)) tesc_code4,
         max(decode(rn,4,score))  score4,
         max(decode(rn,5,sortest_tesc_code)) tesc_code5,
         max(decode(rn,5,score))  score5,
         max(decode(rn,6,sortest_tesc_code)) tesc_code6,
         max(decode(rn,6,score))  score6         
    FROM (select sortest_pidm,
                 sortest_tesc_code,
                 score, 
                row_number() over (partition by sortest_pidm order by score desc) rn
            FROM (select sortest_pidm,
                         sortest_tesc_code,
                         max(sortest_test_score) score
                    from sortest,SPRIDEN
                    where 
                    SPRIDEN_pidm =SORTEST_PIDM
                  AND   sortest_tesc_code in ('A01','BAE','A02','BAM','A05','BAC')
                   and  sortest_pidm is not null  
                  GROUP BY sortest_pidm, sortest_tesc_code))
                  GROUP BY sortest_pidm;
                  

  Hello

  That depends on whether spriden_pidm is unique, and you want to get the results.

  Whenever you have a problem, post a small example of data (CREATE TABLE and INSERT, relevamnt columns only instructions) for all the tables and the results desired from these data.
  If you can illustrate your problem using tables commonly available (such as in the diagrams of scott or HR) so you need not display the sample data; right after the results you want.
  Whatever it is, explain how you get these results from these data.
  Always tell what version of Oracle you are using.

  Looks like you are doing something similar to the following.
  Using the tables emp and dept of the scott schema, producing a line of production by Department showing the highest salary for each job, for a set given jobs:

  DEPTNO DNAME          LOC           JOB_1   SAL_1 JOB_2   SAL_2 JOB_3   SAL_3
  ------ -------------- ------------- ------- ----- ------- ----- ------- -----
      20 RESEARCH       DALLAS        ANALYST  3000 MANAGER  2975 CLERK    1100
      10 ACCOUNTING     NEW YORK      MANAGER  2450 CLERK    1300
      30 SALES          CHICAGO       MANAGER  2850 CLERK     950
  

  On each line, jobs are listed in order by the highest salary.
  This seems to be similar to what you are doing. The roles played by the sortest_pidm, sortest_tesc_code and sortest_test_score in your table sortest are played by deptno, job and sal in the emp table. The roles played by the spriden_pidm, id and the name of your table spriden are played by deptno, dname and loc in the dept table.

  Looks like you already have something like the query below, which produces a correct output, except that it does not include the dname and loc of the dept table columns.

  SELECT    deptno
  ,       MAX (DECODE (rn, 1, job))     AS job_1
  ,       MAX (DECODE (rn, 1, max_sal))     AS sal_1
  ,       MAX (DECODE (rn, 2, job))     AS job_2
  ,       MAX (DECODE (rn, 2, max_sal))     AS sal_2
  ,       MAX (DECODE (rn, 3, job))     AS job_3
  ,       MAX (DECODE (rn, 3, max_sal))     AS sal_3
  FROM       (
             SELECT    deptno
             ,          job
             ,          max_sal
             ,          ROW_NUMBER () OVER ( PARTITION BY  deptno
                                            ORDER BY          max_sal     DESC
                              )         AS rn
             FROM     (
                           SELECT    e.deptno
                     ,           e.job
                     ,           MAX (e.sal)     AS max_sal
                     FROM      scott.emp        e
                     ,           scott.dept   d
                     WHERE     e.deptno        = d.deptno
                     AND           e.job        IN ('ANALYST', 'CLERK', 'MANAGER')
                     GROUP BY  e.deptno
                     ,           e.job
                       )
         )
  GROUP BY  deptno
  ;
  

  Dept.DeptNo is unique, it won't be a dname and a loc for each deptno, so we can modify the query by replacing "deptno" with "deptno, dname, loc" throughout the query (except in the join condition, of course):

  SELECT    deptno, dname, loc                    -- Changed
  ,       MAX (DECODE (rn, 1, job))     AS job_1
  ,       MAX (DECODE (rn, 1, max_sal))     AS sal_1
  ,       MAX (DECODE (rn, 2, job))     AS job_2
  ,       MAX (DECODE (rn, 2, max_sal))     AS sal_2
  ,       MAX (DECODE (rn, 3, job))     AS job_3
  ,       MAX (DECODE (rn, 3, max_sal))     AS sal_3
  FROM       (
             SELECT    deptno, dname, loc          -- Changed
             ,          job
             ,          max_sal
             ,          ROW_NUMBER () OVER ( PARTITION BY  deptno      -- , dname, loc     -- Changed
                                            ORDER BY          max_sal      DESC
                              )         AS rn
             FROM     (
                           SELECT    e.deptno, d.dname, d.loc                    -- Changed
                     ,           e.job
                     ,           MAX (e.sal)     AS max_sal
                     FROM      scott.emp        e
                     ,           scott.dept   d
                     WHERE     e.deptno        = d.deptno
                     AND           e.job        IN ('ANALYST', 'CLERK', 'MANAGER')
                     GROUP BY  e.deptno, d.dname, d.loc                    -- Changed
                     ,           e.job
                       )
         )
  GROUP BY  deptno, dname, loc                    -- Changed
  ;
  

  In fact, you can continue to use just deptno in the analytical PARTITION BY clause. It may be slightly more efficient to just use deptno, as I did above, but it won't change the results if you use all 3, if there is only 1 danme and 1 loc by deptno.

  Moreover, you don't need so many subqueries. You use the internal subquery to calculate the MAX and the outer subquery to calculate rn. Analytical functions are calculated after global fucntions so you can do both in the same auxiliary request like this:

  SELECT    deptno, dname, loc
  ,       MAX (DECODE (rn, 1, job))     AS job_1
  ,       MAX (DECODE (rn, 1, max_sal))     AS sal_1
  ,       MAX (DECODE (rn, 2, job))     AS job_2
  ,       MAX (DECODE (rn, 2, max_sal))     AS sal_2
  ,       MAX (DECODE (rn, 3, job))     AS job_3
  ,       MAX (DECODE (rn, 3, max_sal))     AS sal_3
  FROM       (
                 SELECT    e.deptno, d.dname, d.loc
            ,       e.job
            ,       MAX (e.sal)     AS max_sal
            ,       ROW_NUMBER () OVER ( PARTITION BY  e.deptno
                                         ORDER BY       MAX (sal)     DESC
                                        )       AS rn
            FROM      scott.emp    e
            ,       scott.dept   d
            WHERE     e.deptno        = d.deptno
            AND       e.job                IN ('ANALYST', 'CLERK', 'MANAGER')
                GROUP BY  e.deptno, d.dname, d.loc
            ,       e.job
         )
  GROUP BY  deptno, dname, loc
  ;
  

  It will work in Oracle 8.1 or more. In Oracle 11, however, it is better to use the SELECT... Function PIVOT.

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