ora-30926 error

Posted by user1331181 on Stack Overflow See other posts from Stack Overflow or by user1331181
Published on 2012-04-14T09:48:05Z Indexed on 2012/04/14 17:29 UTC
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I am trying to execute the following merge statement but is is showing me ora-30926 error

merge into test_output target_table 
USING (SELECT c.test_code, 
  c.v_report_id, upper_score,
        CASE WHEN c.test_code = 1 THEN b.mean_diff 
             WHEN c.test_code = 2 THEN b.norm_dist 
             WHEN c.test_code = 3 THEN b.ks_stats 
             WHEN c.test_code = 4 THEN b.ginni 
             WHEN c.test_code = 5 THEN b.auroc 
             WHEN c.test_code = 6 THEN b.info_stats 
             WHEN c.test_code = 7 THEN b.kl_stats 
                    END val1 
     FROM   combined_approach b inner join test_output c
          on  b.v_report_id = c.v_report_id 
          and c.upper_score = b.band_code 
             WHERE c.v_report_id = lv_report_id  
                        ORDER  BY c.test_code) source_table
                        on(target_table.v_report_id = source_table.v_report_id
                        and  target_table.v_report_id = lv_report_id)
                when matched then         
update  SET    target_table.upper_value = source_table.val1;

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