Help - nested Case statement

Hello everyone.  I'm having a hell of a time trying to understand my nested case statement.  It's pretty simple, but I always feel to get this error:

ORA-00937: not a single group group function
* 00937. 00000 - 'not a single-group function. "
Cause:
Action:

However, when I try to enter in a "group by" I get this error:

ORA-00979: not a GROUP BY expression
* 00979. 00000 - 'not a GROUP BY expression. "
Cause:
Action:

I don't know if there is something wrong with my nested case statement syntax, or miss me something more fundamental. This is my code:
SELECT AE.EMP_ID,
  CASE
    WHEN EP.PHYSICAL_DATE IS NULL
    THEN
      CASE
        WHEN EC.ORIGINAL_CONTRACT_START < ((SYSDATE) - 365)
        THEN 'NEEDS PHYSICAL'
        WHEN EC.ORIGINAL_CONTRACT_START < ((SYSDATE) - 330)
        THEN 'COMING UP'
        ELSE 'No'
      END
    WHEN MAX(EP.PHYSICAL_DATE) KEEP (DENSE_RANK LAST
    ORDER BY EP.PHYSICAL_DATE) < ((SYSDATE) - 365)
    THEN 'NEEDS PHYSICAL'
    WHEN MAX(EP.PHYSICAL_DATE) KEEP (DENSE_RANK LAST
    ORDER BY EP.PHYSICAL_DATE) < ((SYSDATE) - 330)
    THEN 'COMING UP'
    ELSE 'No'
  END "Needs Physical?"
FROM AP AE
LEFT JOIN EMP_PHYSICAL EP
ON AE.EMP_ID = EP.EMP_ID
LEFT JOIN POSITION_OFFERED PO
ON AE.EMP_ID = PO.EMP_ID
LEFT JOIN EMP_CONTRACT EC
ON AE.EMP_ID         = EC.EMP_ID
WHERE PO.ACTUAL_END IS NULL
AND (EP.PHYSICAL     = 1
OR EP.PHYSICAL      IS NULL)
AND :P71_EMP_ID = AE.EMP_ID;
I appreciate all help. Nice day.

Aqua

SELECT AE.EMP_ID,
CASE
WHEN EP.PHYSICAL_DATE IS NULL
THEN
CASE
WHEN EC.ORIGINAL_CONTRACT_START < ((SYSDATE) - 365)
THEN 'NEEDS PHYSICAL'
WHEN EC.ORIGINAL_CONTRACT_START < ((SYSDATE) - 330)
THEN 'COMING UP'
ELSE 'No'
END
WHEN MAX(EP.PHYSICAL_DATE) KEEP (DENSE_RANK LAST
ORDER BY EP.PHYSICAL_DATE) < ((SYSDATE) - 365)
THEN 'NEEDS PHYSICAL'
WHEN MAX(EP.PHYSICAL_DATE) KEEP (DENSE_RANK LAST
ORDER BY EP.PHYSICAL_DATE) < ((SYSDATE) - 330)
THEN 'COMING UP'
ELSE 'No'
END "Needs Physical?"
FROM AP AE
LEFT JOIN EMP_PHYSICAL EP
ON AE.EMP_ID = EP.EMP_ID
LEFT JOIN POSITION_OFFERED PO
ON AE.EMP_ID = PO.EMP_ID
LEFT JOIN EMP_CONTRACT EC
ON AE.EMP_ID = EC.EMP_ID
WHERE PO.ACTUAL_END IS NULL
AND (EP.PHYSICAL = 1
OR EP.PHYSICAL IS NULL)
AND :P71_EMP_ID = AE.EMP_ID;
GROUP BY AE.EMP_ID,EP.PHYSICAL_DATE,EC.ORIGINAL_CONTRACT_START;



Hi,


You need to add Group by clause at the end of the query i have added above.
 
         
 
         
 
 
		 
 Tags: Database
 
         
         
 
          
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OUTPUT
-------------

ID RESULT
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C  pass
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    G.
    		   
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  •  
		     
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    BEGIN
    FOR events IN (SELECT EBA_CA_EVENTS. EVENT_NAME, EBA_CA_EVENTS. EVENT_ID,...)
    LOOP
    If the events. TYPE_ID <>(32230291965131516245569156552736940921) AND to_date (SYSDATE) = ((to_date (to_char (events. ((EVENT_DUE_DATE, "DD-MON-YYYY HH24:MI:SS"), "HH24:MI:SS MON-DD-YYYY"))-events. EVENT_NOT1)
    THEN
    Dbms_output.put_line ('adjustments of the SEND E-MAIL Alert 1 "criteria);
    on the other
    If the events. TYPE_ID = (32230291965131516245569156552736940921) and nvl(events.COMPLETED_MAIL_SENT,0) <>room ')
    THEN
    Dbms_output.put_line ('SEND EMAIL FILLED WITH TERRY');
    UPDATE EBA_CA_EVENTS set COMPLETED_MAIL_SENT = piece ') where ROW_KEY = events. ROW_KEY;
    on the other
    If the events. TYPE_ID <>(32230291965131516245569156552736940921) AND to_date (SYSDATE) = ((to_date (to_char (events. ((EVENT_DUE_DATE, "DD-MON-YYYY HH24:MI:SS"), "HH24:MI:SS MON-DD-YYYY"))-events. EVENT_NOT2)
    THEN
    Dbms_output.put_line (' fits the criteria 2nd SEND E-MAIL alert 2 "");
    on the other
    If the events. TYPE_ID <>(32230291965131516245569156552736940921) AND to_date (SYSDATE) = ((to_date (to_char (events. ((EVENT_DUE_DATE, "DD-MON-YYYY HH24:MI:SS"), "HH24:MI:SS MON-DD-YYYY"))-events. EVENT_NOT3)
    THEN
    Dbms_output.put_line ('fits the 3rd criteria SENDING E-MAIL Alert 3 ");
    end if; -4
    end if; -3
    end if; -2
    end if; -1
    CASE
    Events WHEN. EVENT_NOT2 is null
    THEN
    If to_date (SYSDATE) > ((to_date (to_char (events. ((EVENT_DUE_DATE, "DD-MON-YYYY HH24:MI:SS"), "HH24:MI:SS MON-DD-YYYY"))-events. EVENT_NOT1) AND nvl (events. ALERT1_SENT, 0) part <>')
    THEN
    Dbms_output.put_line ('send e-mail if day part 1');
    UPDATE EBA_CA_EVENTS set ALERT1_SENT = piece ') where ROW_KEY = events. ROW_KEY;
    end if;
    END
    other cases
    Events WHEN. EVENT_NOT2 is NOT NULL
    THEN
    If to_date (SYSDATE) > ((to_date (to_char (events. ((EVENT_DUE_DATE, "DD-MON-YYYY HH24:MI:SS"), "HH24:MI:SS MON-DD-YYYY"))-events. EVENT_NOT1) AND nvl (events. ALERT1_SENT, 0) part <>') AND to_date (SYSDATE) < ((to_date (to_char (events. ((EVENT_DUE_DATE, "DD-MON-YYYY HH24:MI:SS"), "HH24:MI:SS MON-DD-YYYY"))-events. EVENT_NOT2)
    THEN
    Dbms_output.put_line ('If day spent game 2 with the value');
    UPDATE EBA_CA_EVENTS set ALERT1_SENT = piece ') where ROW_KEY = events. ROW_KEY;
    end if;
    END
    END LOOP;
    END
    < /tt >
    The error occurs towards the end of the case statement-case.PNG
    I also tried this the 'else' deletion before the case and a few other variations, I can't just not perfect the code however, any help would be appreciated, thanks
    BTW, I can't use IF... Logical I already tried, then once a particular branch occurs then the else statements are ignored.
    			 
    You had an extra 'END' where he shouldn't have been and were not an 'END' where TI EXPECTED have been.
    

    This is your modified code (I had to fill out the... that my trainer Toad worked properly)
    

    BEGIN

   FOR EVENTS IN (
                  SELECT eba_ca_events.event_name, eba_ca_events.event_id
                    FROM 
                 ) LOOP

      IF(
         EVENTS.type_id <> (32230291965131516245569156552736940921)
         AND
         TO_DATE(SYSDATE) = ((TO_DATE(TO_CHAR(EVENTS.event_due_date, 'YYYY-MON-DD HH24:MI:SS'), 'YYYY-MON-DD HH24:MI:SS') - EVENTS.event_not1))
        ) THEN

         DBMS_OUTPUT.PUT_LINE('Criteria fits SEND EMAIL Alert 1');

      ELSE

         IF(
            EVENTS.type_id = (32230291965131516245569156552736940921)
            AND
            NVL(EVENTS.completed_mail_sent, 0) <> ('S')
           )
             THEN

            DBMS_OUTPUT.PUT_LINE('SEND COMPLETED EMAIL TO TERRY');

            UPDATE eba_ca_events
               SET completed_mail_sent = ('S')
             WHERE row_key = EVENTS.row_key;

         ELSE

            IF(
               EVENTS.type_id <> (32230291965131516245569156552736940921)
                AND
                TO_DATE(SYSDATE) = ((TO_DATE(TO_CHAR(EVENTS.event_due_date, 'YYYY-MON-DD HH24:MI:SS'), 'YYYY-MON-DD HH24:MI:SS')) - EVENTS.event_not2)
              ) THEN

               DBMS_OUTPUT.PUT_LINE('2nd Criteria fits SEND EMAIL Alert 2');

            ELSE

               IF(
                  EVENTS.type_id <> (32230291965131516245569156552736940921)
                  AND
                  TO_DATE(SYSDATE) = ((TO_DATE(TO_CHAR(EVENTS.event_due_date, 'YYYY-MON-DD HH24:MI:SS'), 'YYYY-MON-DD HH24:MI:SS')) - EVENTS.event_not3)
                 ) THEN

                  DBMS_OUTPUT.PUT_LINE('3rd Criteria fits SEND EMAIL Alert 3');

               END IF; -- 4

            END IF; -- 3

         END IF; -- 2

      END IF; -- 1

      CASE

         WHEN EVENTS.event_not2 IS NULL THEN

            IF(
               TO_DATE(SYSDATE) > ((TO_DATE(TO_CHAR(EVENTS.event_due_date, 'YYYY-MON-DD HH24:MI:SS'), 'YYYY-MON-DD HH24:MI:SS')) - EVENTS.event_not1)
               AND
               NVL(EVENTS.alert1_sent, 0) <> ('S')
              ) THEN

               DBMS_OUTPUT.PUT_LINE(' send email if date past part 1');

               UPDATE eba_ca_events
                  SET alert1_sent = ('S')
                WHERE row_key = EVENTS.row_key;

            END IF;

         ELSE

            CASE

               WHEN EVENTS.event_not2 IS NOT NULL THEN

                  IF(
                     TO_DATE(SYSDATE) > ((TO_DATE(TO_CHAR(EVENTS.event_due_date, 'YYYY-MON-DD HH24:MI:SS'), 'YYYY-MON-DD HH24:MI:SS')) - EVENTS.event_not1)
                     AND
                     NVL(EVENTS.alert1_sent, 0) <> ('S')
                     AND
                     TO_DATE(SYSDATE) < ((TO_DATE(TO_CHAR(EVENTS.event_due_date, 'YYYY-MON-DD HH24:MI:SS'), 'YYYY-MON-DD HH24:MI:SS')) - EVENTS.event_not2)
                    ) THEN

                     DBMS_OUTPUT.PUT_LINE('if date past part 2 with value');

                     UPDATE eba_ca_events
                        SET alert1_sent = ('S')
                      WHERE row_key = EVENTS.row_key;

                  END IF;

            END CASE;

      END CASE;

   END LOOP;

END;

    

    I hope this helps.
    		   
    •  
            
           
  •  
		     
    I have problem with value NULL when the use CASE statement please help this question
     
			 
    I have problem with value NULL when the use CASE statement please help this question

    Table: digital_val
    SNO cl C2
    1 San1 11
    2 22 San2
     Actual result: expected to A         B
    A            B                                                                           11        22
    11 NULL
    22 NULL


    query:
    Select case when c1 = "san1" then c2,.
     case If c1 = "san2" then c2 B
    of digital_val
    			 
    I'm more curious why, when you select 2 rows, you expect a result of row?
    

    WITH digital_val
    

    AS (SELECT 1 AS 'Sno', 'San1"C1, c2 FROM DUAL 11)
    

    UNION ALL
    

    2 SELECT AS 'Sno', 'San2"C1, c2 FROM DUAL 22)
    

    SELECT CASE WHEN c1 is "San1" THEN END AS A c2.
    

    CASE WHEN c1 = "San2" THEN END AS B c2
    

    OF digital_val;
    

    With no other input, if you select 2 rows, you get 2 rows.  One of the other solutions use a max function, but is this really what you want, does not specify?
    		   
    •  
            
           
  •  
		     
    Help: How to use the Case statement in the ODI11g Interface?
     
			 Hello
    My basic source I get 'Year' values and I want that these values result code in the interface and after translation want to push on the target system.
    Example:
    Database source, I get value for
    Year
    2010
    2011
    2012
    

    When I get the year 2010 I want to change the value in "FY10".
    When I get year 2011 I want to change the value in "FY11.
    and even for the year 2012 to "FY12.
    I've tried to make the Case statement, but had no success.
    I don't want to create the lookup table in the source system.
    Any help in this matter.
    

    Thank you
    

    Concerning
    Sher
    

    Published by: Sher Ullah Baig on August 26, 2012 17:52			 
    CASE
    WHEN source_column = '2010' THEN 'FY10.
    WHEN source_column = '2011' and THEN 'FY11.
    WHEN source_column = '2012' and THEN 'FY12.
    END
    		   
    •  
            
           
  •  
		     
    Help with making SQL query references to column aliases in the Case statement
     
			 I need help with a sql query that I'm trying. I can go about it the wrong way, but I would be grateful if I could get any suggestions on possible solutions. This is my query:
    

    

    SELECT DISTINCT spriden_pidm, spriden_id id, spriden_last_name | ',' | spriden_first_name name,
    

    CASE
    WHEN rcresar_comm_code_01 IN ('268 ', '269', ' 270') THEN rcresar_comm_code_01
    WHEN rcresar_comm_code_02 IN ('268 ', '269', ' 270') THEN rcresar_comm_code_02
    WHEN rcresar_comm_code_03 IN ('268 ', '269', ' 270') THEN rcresar_comm_code_03
    WHEN rcresar_comm_code_04 IN ('268 ', '269', ' 270') THEN rcresar_comm_code_04
    WHEN rcresar_comm_code_05 IN ('268 ', '269', ' 270') THEN rcresar_comm_code_05
    WHEN rcresar_comm_code_06 IN ('268 ', '269', ' 270') THEN rcresar_comm_code_06
    WHEN rcresar_comm_code_07 IN ('268 ', '269', ' 270') THEN rcresar_comm_code_07
    WHEN rcresar_comm_code_08 IN ('268 ', '269', ' 270') THEN rcresar_comm_code_08
    WHEN rcresar_comm_code_09 IN ('268 ', '269', ' 270') THEN rcresar_comm_code_09
    WHEN rcresar_comm_code_10 IN ('268 ', '269', ' 270') THEN rcresar_comm_code_10
    END acg_elig_comm_code
    

    CASE
    WHEN acg_elig_comm_code = ' 268' THEN 'rigorous HS course. "
    WHEN acg_elig_comm_code = '269' THEN ' 2 or several AP or IB"
    WHEN acg_elig_comm_code = '270' THEN 'NOC as possible ".
    END comm_code_description
    

    OF spriden, rcresar, rcrapp1
    

    WHERE (rcresar_comm_code_01 IN ('268 ', '269', ' 270')
    

    OR rcresar_comm_code_02 ('268 ', '269', ' 270')
    

    OR rcresar_comm_code_03 ('268 ', '269', ' 270')
    

    OR rcresar_comm_code_04 ('268 ', '269', ' 270')
    

    OR rcresar_comm_code_05 ('268 ', '269', ' 270')
    

    OR rcresar_comm_code_06 ('268 ', '269', ' 270')
    

    OR rcresar_comm_code_07 ('268 ', '269', ' 270')
    

    OR rcresar_comm_code_08 ('268 ', '269', ' 270')
    

    OR rcresar_comm_code_09 ('268 ', '269', ' 270')
    

    OR rcresar_comm_code_10 ('268 ', '269', ' 270'))
    

    

    Rcresar_aidy_code = & aidy_code
    

    AND rcrapp1_aidy_code = rcresar_aidy_code
    

    AND rcrapp1_curr_rec_ind = 'Y '.
    

    AND rcrapp1_seq_no = rcresar_seq_no
    

    

    AND spriden_pidm = rcresar_pidm
    

    AND rcrapp1_pidm = rcresar_pidm
    

    

    AND spriden_change_ind IS NULL
    

    ORDER BY name
    

    

    The second case statement is where I don't know exactly what it takes to get what I want.
    

    Output should be like:
    spriden_pidm name ID acg_elig_comm_code comm_code_description
    «0000000000', ' 1111111111 ","John Doe","268", «rigorous HS race"»
    

    If I take the second case statement it works great except that I do not have my comm_code description column. My question is how can I use my first statement value box to determine this column? I think that I need a case statement as I have, but I don't know how to reference the value of acg_elig_comm_code. Any help would be greatly appreciated. Thank you.
    

    Published by: blackhole82 on January 20, 2009 09:20			 
    Hello
    

    You cannot use the alias column in the query, even where it is set (except in the ORDER BY clause).
    You can set the alias in a subquery and then use it in a great query, like this:
    

    WITH  sub_q  AS
(
    SELECT DISTINCT spriden_pidm,spriden_id id, spriden_last_name||', '||spriden_first_name name,
        CASE
            WHEN rcresar_comm_code_01 IN ('268','269','270') THEN rcresar_comm_code_01
            WHEN rcresar_comm_code_02 IN ('268','269','270') THEN rcresar_comm_code_02
            WHEN rcresar_comm_code_03 IN ('268','269','270') THEN rcresar_comm_code_03
            WHEN rcresar_comm_code_04 IN ('268','269','270') THEN rcresar_comm_code_04
            WHEN rcresar_comm_code_05 IN ('268','269','270') THEN rcresar_comm_code_05
            WHEN rcresar_comm_code_06 IN ('268','269','270') THEN rcresar_comm_code_06
            WHEN rcresar_comm_code_07 IN ('268','269','270') THEN rcresar_comm_code_07
            WHEN rcresar_comm_code_08 IN ('268','269','270') THEN rcresar_comm_code_08
            WHEN rcresar_comm_code_09 IN ('268','269','270') THEN rcresar_comm_code_09
            WHEN rcresar_comm_code_10 IN ('268','269','270') THEN rcresar_comm_code_10
        END acg_elig_comm_code   -- Originally posted with , here (error)
    FROM spriden, rcresar, rcrapp1
    WHERE (rcresar_comm_code_01 IN ('268','269','270')
            OR rcresar_comm_code_02 IN ('268','269','270')
            OR rcresar_comm_code_03 IN ('268','269','270')
            OR rcresar_comm_code_04 IN ('268','269','270')
            OR rcresar_comm_code_05 IN ('268','269','270')
            OR rcresar_comm_code_06 IN ('268','269','270')
            OR rcresar_comm_code_07 IN ('268','269','270')
            OR rcresar_comm_code_08 IN ('268','269','270')
            OR rcresar_comm_code_09 IN ('268','269','270')
            OR rcresar_comm_code_10 IN ('268','269','270'))
    AND rcresar_aidy_code = &aidy_code
    AND rcrapp1_aidy_code = rcresar_aidy_code
    AND rcrapp1_curr_rec_ind = 'Y'
    AND rcrapp1_seq_no = rcresar_seq_no
    AND spriden_pidm = rcresar_pidm
    AND rcrapp1_pidm = rcresar_pidm
    AND spriden_change_ind IS NULL
)
SELECT    sub_q.*,
          CASE
              WHEN acg_elig_comm_code = '268' THEN 'Rigorous HS course'
              WHEN acg_elig_comm_code = '269' THEN '2 or more AP or IB'
              WHEN acg_elig_comm_code = '270' THEN 'ACG possible'
          END comm_code_description
FROM      sub_q
ORDER BY  name

    

    Furthermore, you might think to rearrange your table, so that you do not have 10 columns (rcresar_comm_code_01, rcresar_comm_code_02,...) that essentially do the same thing. The usual way to handle this kind of one-to-many relationship is to have all rcresar_comm_codes in a separate table, one per line, with a pointer to the table where you have them now.
    

    Published by: Frank Kulash, January 20, 2009 11:35
    Syntax error has been corrected
    		   
    •  
            
           
  •  
		     
    Help in the CASE statement with amount
     
			 Hello Experts
    

    I amw Group on
    

    Oracle Database 11 g Enterprise Edition Release 11.1.0.7.0 - 64 bit Production
    With partitioning, OLAP, Data Mining and Real Application Testing options
    

    I'm unable to solve this Case statement.
    

    My requirement is that if the value of the attribute is greater than 50, then add 1 to the sum for attribute 4 the sum should be 4
    

    

    WITH T AS
    (
    Select MATH_CONV_SCR 70, 68 MATH_PERC, writ_conv_scr 66, 67 writ_per Union double all the
    Select MATH_CONV_SCR 70, MATH_PERC 48, writ_conv_scr 66, 67 writ_per Union double all the
    Select MATH_CONV_SCR 70, 68 MATH_PERC, writ_conv_scr 66, 67 double writ_per
    )
    (
    Select)
    CASE
    WHEN MATH_CONV_SCR > 50 THEN 1
    WHEN MATH_PERC > 50 THEN 1
    WHEN WRIT_CONV_SCR > 50 THEN 1
    WHEN WRIT_PER > 50 THEN 1
    TOTAL END)
    T
    )
    

    

    The expected answer is
    4
    3
    4
    for the respective folders
    

    

    Please give me the solution
    

    Thank you
    

    RB			 
    Hello
    

    Rb2000rb65 wrote:
    Hello Experts
    

    I amw Group on
    

    Oracle Database 11 g Enterprise Edition Release 11.1.0.7.0 - 64 bit Production...
    

    Thanks for posting the version and sample data; It is very useful.
    

    ... Select)
    CASE
    WHEN MATH_CONV_SCR > 50 THEN 1
    WHEN MATH_PERC > 50 THEN 1
    WHEN WRIT_CONV_SCR > 50 THEN 1
    WHEN WRIT_PER > 50 THEN 1
    TOTAL END)
    T
    

    Don't forget that the WHEN of a CASE expression clauses are mutually exclusive. If none of them are evaluated to TRUE, then all of the following are not even tried.
    

    )
    

    The expected answer is
    4
    3
    4
    for the respective folders
    

    Please give me the solution
    

    Here's one way:
    

    SELECT  CASE WHEN math_conv_scr > 50 THEN 1 ELSE 0 END
      + CASE WHEN math_perc      > 50 THEN 1 ELSE 0 END
      +     CASE WHEN writ_conv_scr > 50 THEN 1 ELSE 0 END
      + CASE WHEN writ_per      > 50 THEN 1 ELSE 0 END     AS total
FROM       t;

    		   
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