Keeping the description of the table on the evolution and not displaying only not NULL values

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• How to know the history have not null value

  Hi all
  
  I want to find records that have prior LOG_REVIEW_STAGE = "HHH" have (DT_LOG_BEGIN is not null and DT_LOG_END IS NULL and LOG_STATUS = pending)
  based on the identification number
  
  Thanks in advance
  

  For Example my Ouput should be 
  
  ID     SORT_ORDER     LOG_STATUS     LOG_REVIEW_STAGE     DT_LOG_BEGIN     DT_LOG_END
  -----------------------------------------------------------------------------------------------
  20     700          Pending          FFF               1/26/2004     

  ID     SORT_ORDER     LOG_STATUS     LOG_REVIEW_STAGE     DT_LOG_BEGIN     DT_LOG_END
  -----------------------------------------------------------------------------------------------
  10     100          Complete     AAA               1/13/2004     1/13/2004
  10     200          Complete     BBB               1/23/2004     1/23/2004
  10     300          Pending          CCC               1/23/2004     
  10     400                    DDD          
  10     601                    EEE          
  10     700                    FFF          
  10     800                    GGG          
  10     900                    HHH         ---------------------->>>>>>>>>
  10     1000                    JJJ          
  10     1100                    KKK          
  20     100          Complete     AAA               1/13/2004     1/13/2004
  20     200          Complete     BBB               1/23/2004     1/23/2004
  20     300          Complete     CCC               1/23/2004     1/23/2004
  20     400          Complete     DDD               1/24/2004     1/24/2004
  20     601          Complete     EEE               1/25/2004     1/25/2004
  20     700          Pending          FFF               1/26/2004     
  20     900                    HHH          ---------------------->>>>>>>>>
  20     1000                    JJJ          
  20     1100                    KKK          

  create table TEMP_TABLE
  (
    id               NUMBER(2),
    sort_order       NUMBER(10),
    log_status       VARCHAR2(50),
    log_review_stage VARCHAR2(50),
    dt_log_begin     DATE,
    dt_log_end       DATE
  )
  ;
  
  
  
  insert into TEMP_TABLE(id, sort_order, log_status, log_review_stage, dt_log_begin, dt_log_end)
  values (10, 100, 'Complete', 'AAA', to_date('13-01-2004', 'dd-mm-yyyy'), to_date('13-01-2004', 'dd-mm-yyyy'));
  insert into TEMP_TABLE(id, sort_order, log_status, log_review_stage, dt_log_begin, dt_log_end)
  values (10, 200, 'Complete', 'BBB', to_date('23-01-2004', 'dd-mm-yyyy'), to_date('23-01-2004', 'dd-mm-yyyy'));
  insert into TEMP_TABLE(id, sort_order, log_status, log_review_stage, dt_log_begin, dt_log_end)
  values (10, 300, 'Pending', 'CCC', to_date('23-01-2004', 'dd-mm-yyyy'), null);
  insert into TEMP_TABLE(id, sort_order, log_status, log_review_stage, dt_log_begin, dt_log_end)
  values (10, 400, null, 'DDD', null, null);
  insert into TEMP_TABLE(id, sort_order, log_status, log_review_stage, dt_log_begin, dt_log_end)
  values (10, 601, null, 'EEE', null, null);
  insert into TEMP_TABLE(id, sort_order, log_status, log_review_stage, dt_log_begin, dt_log_end)
  values (10, 700, null, 'FFF', null, null);
  insert into TEMP_TABLE(id, sort_order, log_status, log_review_stage, dt_log_begin, dt_log_end)
  values (10, 800, null, 'GGG', null, null);
  insert into TEMP_TABLE(id, sort_order, log_status, log_review_stage, dt_log_begin, dt_log_end)
  values (10, 900, null, 'HHH', null, null);
  insert into TEMP_TABLE(id, sort_order, log_status, log_review_stage, dt_log_begin, dt_log_end)
  values (10, 1000, null, 'JJJ', null, null);
  insert into TEMP_TABLE(id, sort_order, log_status, log_review_stage, dt_log_begin, dt_log_end)
  values (10, 1100, null, 'KKK', null, null);
  insert into TEMP_TABLE(id, sort_order, log_status, log_review_stage, dt_log_begin, dt_log_end)
  values (20, 100, 'Complete', 'AAA', to_date('13-01-2004', 'dd-mm-yyyy'), to_date('13-01-2004', 'dd-mm-yyyy'));
  insert into TEMP_TABLE(id, sort_order, log_status, log_review_stage, dt_log_begin, dt_log_end)
  values (20, 200, 'Complete', 'BBB', to_date('23-01-2004', 'dd-mm-yyyy'), to_date('23-01-2004', 'dd-mm-yyyy'));
  insert into TEMP_TABLE(id, sort_order, log_status, log_review_stage, dt_log_begin, dt_log_end)
  values (20, 300, 'Complete', 'CCC', to_date('23-01-2004', 'dd-mm-yyyy'), to_date('23-01-2004', 'dd-mm-yyyy'));
  insert into TEMP_TABLE(id, sort_order, log_status, log_review_stage, dt_log_begin, dt_log_end)
  values (20, 400, 'Complete', 'DDD', to_date('24-01-2004', 'dd-mm-yyyy'), to_date('24-01-2004', 'dd-mm-yyyy'));
  insert into TEMP_TABLE(id, sort_order, log_status, log_review_stage, dt_log_begin, dt_log_end)
  values (20, 601, 'Complete', 'EEE', to_date('25-01-2004', 'dd-mm-yyyy'), to_date('25-01-2004', 'dd-mm-yyyy'));
  insert into TEMP_TABLE(id, sort_order, log_status, log_review_stage, dt_log_begin, dt_log_end)
  values (20, 700, 'Complete', 'FFF', to_date('26-01-2004', 'dd-mm-yyyy'), to_date('26-01-2004', 'dd-mm-yyyy'));
  insert into TEMP_TABLE(id, sort_order, log_status, log_review_stage, dt_log_begin, dt_log_end)
  values (20, 800, 'Pending', 'GGG', to_date('27-01-2004', 'dd-mm-yyyy'), null);
  insert into TEMP_TABLE(id, sort_order, log_status, log_review_stage, dt_log_begin, dt_log_end)
  values (20, 900, null, 'HHH', null, null);
  insert into TEMP_TABLE(id, sort_order, log_status, log_review_stage, dt_log_begin, dt_log_end)
  values (20, 1000, null, 'JJJ', null, null);
  insert into TEMP_TABLE(id, sort_order, log_status, log_review_stage, dt_log_begin, dt_log_end)
  values (20, 1100, null, 'KKK', null, null);
  commit;

  Please provide examples of data, as well as an explanation of your logic. It is very useful!

  I think that's what you want:

  SELECT id
       , sort_order
       , log_status
       , log_review_stage
       , dt_log_begin
       , dt_log_end
  FROM
  (
          SELECT id
               , sort_order
               , log_status
               , log_review_stage
               , dt_log_begin
               , dt_log_end
               , LEAD(log_review_stage) OVER (PARTITION BY id ORDER BY sort_order) AS next_log_review_stage
          FROM   temp_table
  )
  WHERE  log_status            = 'Pending'
  AND    dt_log_begin          IS NOT NULL
  AND    dt_log_end            IS NULL
  AND    next_log_review_stage = 'HHH'
  ;
  

  When run on your dataset, it returns:

                    ID           SORT_ORDER LOG_STATUS      LOG_REVIEW_STAGE                                   DT_LOG_BEGIN        DT_LOG_END
  -------------------- -------------------- --------------- -------------------------------------------------- ------------------- -------------------
                    20                  800 Pending         GGG                                                01/27/2004 00:00:00
  

  If this is incorrect, please explain why.

  Thank you!

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  Two tables provided, how you retrieve the values in two columns using values in a column (the pass get values. If col. A is not null values and get the pass. B if col. A is null)?

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