Decode function involving 2 fields (urgent)

Hi .. I am trying to use the decode function involving 2 fields.
The query runs but does not produce the correct results. If
anyone knows, please reply .. Usually decode function involves
one column only but I have more
than one. The situation is : If ins_code = 2 or special_code =
MMI, put a 'Y', otherwise, it's a 'N'. Does anyone know how to
put this in a decode statement? Thanks

Thanks, Suresh ... but I have to put this condition using the
decode statement because that's how the rest of the program is
written. It's part of the script that I have to change. The
current statement is this: decode(ins_code, '2', 'Y', 'N'). I
have to change it to ins_code =2 or special_feature = MMI.
Please reply ... thanks a lot....

Similar Messages

  • Decode function--urgent

    hai all,
    this is the query from robinson .....
    I am trying to use decode function as below in PL/SQl..
    DECODE(column1,a1,1,a2,2,a3,3,......a150,150,null)
    i got a error as
    ---unhandled exception---
    If this decode function is restricted to 120 values i get the
    answer.
    so i would like to know whether there is any restriction for the
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    I will be glad and grateful to receive a answer...for this query.
    thanks in advance...
    robinson

    I'm not sure what is the limit for the decode function
    arguments, but it certainly seems that you've reached it.
    So, I'd recommend that you write a stored function that you will
    call in your select. It should be like the following:
    create
    function f_decode (p in your_data_type) return your_ret_type
    is
    begin
    if p=expr1 then
    return value1;
    elsif p=expr2 then
    return value2;
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    end if;
    Or, another way to handle it, even more graciously when the
    number of possible values will vary pretty often may be to have
    a table that you would join.
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    end;

  • Decode (function) VERY URGENT ! ! !

    Hi Folks,
    Does any one know how can i use some thing like
    if a < 25 then
    else
    end if;
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    Thanks in advance
    D'Silva

    Yep use Decode in conjunction with
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    Goes something like this...
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    1, 'GREATER',
    -1, 'LESS' )
    Hope this helps
    <BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>Originally posted by D'Silva:
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    if a < 25 then
    else
    end if;
    using decode function.
    Thanks in advance
    D'Silva<HR></BLOCKQUOTE>
    null

  • Using DECODE Function to change data

    I am trying to use the Decode function in a SQL statement to find a field that has a specific type, and when it finds that type, I want to blank out the results in a different field.
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    something like:
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      3           'BUS' addr_type,
      4           '505-555-5555' phone
      5      from dual
      6    union
      7    select 219 id,
      8           'HOME' addr_type,
      9           null   phone
    10      from dual
    11    union
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    14           '101-111-1111'   phone
    15      from dual
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    20      from dual
    21    union
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    24           '202-222-2222'   phone
    25      from dual
    26    union
    27    select 224 id,
    28           'HOME' addr_type,
    29           '303-333-3333'   phone
    30      from dual
    31    union
    32    select 225 id,
    33           'BUS' addr_type,
    34           null   phone
    35      from dual
    36    union
    37    select 226 id,
    38           'HOME' addr_type,
    39           null   phone
    40      from dual)
    41  select a.id,
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    44    from (select id, addr_type, phone,
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    46            from t) a
    47   where a.rn = 1;
            ID ADDR PHONE
           219 BUS  505-555-5555
           220 BUS  101-111-1111
           223 BUS  202-222-2222
           224 HOME
           225 BUS
           226 HOME
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  • SQL*Loader and DECODE function

    Hi All,
    I am loading data from data files into oracle tables and while loading the data using SQL*Loader, the following requirement needs to be fulfilled.
    1) If OQPR < 300, RB = $ 0-299, SC = "SC1"
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    The following expression gives you different values for your different intervals and boundaries :
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  • DECODE Function In Reports 3.0

    Hi,
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    decode(flg_imp_prn_inv, 'N', null, flg_imp_prn_inv) flg_imp_prn_inv,
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    FROM CMP
    where dat_can is null

    Try TO_CHAR(NULL) instead of NULL in all DECODE functions.
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  • Type conflict when calling a function module (field length)

    Dear All,
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    method SEARCH_MATERIAL .
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            node_mat_input TYPE REF TO  if_wd_context_node,
            node_mat_output TYPE REF TO if_wd_context_node,
            material TYPE BAPIMATDET-MATERIAL,
            itab TYPE TABLE OF BAPIMATDOA.
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      CALL FUNCTION 'BAPI_MATERIAL_GET_DETAIL'
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        MATERIAL_EVG                =
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         MATERIAL_GENERAL_DATA       = itab
        RETURN                      =
        MATERIALPLANTDATA           =
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         node_exporting   TYPE REF TO if_wd_context_node,
         node_material_general_dat   TYPE REF TO if_wd_context_node,
         node_importing   TYPE REF TO if_wd_context_node,
          lri_element    TYPE REF TO if_wd_context_element.
    declarations for fuba parameters
      data:
        stru_c_material_general_dat    TYPE if_componentcontroller=>element_material_general_dat.
      DATA:
        attr_material    TYPE bapimatdet-material,
        attr_plant    TYPE bapimatall-plant.
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      node_bapi_material_get_de = wd_context->get_child_node( `BAPI_MATERIAL_GET_DE` ).
      node_exporting = node_bapi_material_get_de->get_child_node( `EXPORTING` ).
      node_material_general_dat = node_exporting->get_child_node( `MATERIAL_GENERAL_DAT` ).
      node_importing = node_bapi_material_get_de->get_child_node( `IMPORTING` ).
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      node_importing->get_attribute(    EXPORTING      name = `MATERIAL`
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      node_importing->get_attribute(  EXPORTING       name = `PLANT`
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          material =                        attr_material
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    Gopi.
    Edited by: Yegalaivan on Nov 18, 2009 8:30 AM

  • Case statement and Decode function both are not working in Select cursor.

    I have tried both the Case statement and Decode function in Select cursor, but both the things are not working. On the other hand both the things work in just select statement.
    See the first column in select (PAR_FLAG), I need to have this evaluated along with other fields. Can you please suggest some thing to make this work. And also I would like to
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    Author : Amit Juneja
    Date : 06/20/2011
    Description:
    Updates the Diamond MEMBER_MASTER table with the values from
    INC.MEM_NJ_HN_MEMBER_XREF table.
    declare
    rec_cnt number(12) := 0;
    commit_cnt number(4) := 0;
    cursor select_cur is
    Select DECODE(1,
    (Select 1
    from hsd_prov_contract R
    where R.seq_prov_id = PM.seq_prov_id
    and R.line_of_business = H.line_of_business
    and R.PCP_FLAG = 'Y'
    and R.participation_flag = 'P'
    and SYSDATE between R.EFFECTIVE_DATE AND
    NVL(R.TERM_DATE,
    TO_DATE('31-DEC-9999', 'DD-MON-YYYY'))),
    'Y',
    'N') PAR_FLAG,
    H.SEQ_ELIG_HIST,
    H.SEQ_MEMB_ID,
    H.SEQ_SUBS_ID,
    H.SUBSCRIBER_ID,
    H.PERSON_NUMBER,
    H.EFFECTIVE_DATE,
    H.TERM_DATE,
    H.TERM_REASON,
    H.RELATIONSHIP_CODE,
    H.SEQ_GROUP_ID,
    H.PLAN_CODE,
    H.LINE_OF_BUSINESS,
    H.RIDER_CODE_1,
    H.RIDER_CODE_2,
    H.RIDER_CODE_3,
    H.RIDER_CODE_4,
    H.RIDER_CODE_5,
    H.RIDER_CODE_6,
    H.RIDER_CODE_7,
    H.RIDER_CODE_8,
    H.MEDICARE_STATUS_FLG,
    H.OTHER_STATUS_FLAG,
    H.HIRE_DATE,
    H.ELIG_STATUS,
    H.PREM_OVERRIDE_STEP,
    H.PREM_OVERRIDE_AMT,
    H.PREM_OVERRIDE_CODE,
    H.SEQ_PROV_ID,
    H.IPA_ID,
    H.PANEL_ID,
    H.SEQ_PROV_2_ID,
    H.SECURITY_CODE,
    H.INSERT_DATETIME,
    H.INSERT_USER,
    H.INSERT_PROCESS,
    H.UPDATE_DATETIME,
    H.UPDATE_USER,
    H.UPDATE_PROCESS,
    H.USER_DEFINED_1,
    H.SALARY,
    H.PEC_END_DATE,
    H.REASON_CODE,
    H.PEC_WAIVED,
    H.BILL_EFFECTIVE_FROM_DATE,
    H.BILLED_THRU_DATE,
    H.PAID_THRU_DATE,
    H.SUBSC_DEPT,
    H.SUBSC_LOCATION,
    H.USE_EFT_FLG,
    H.BENEFIT_START_DATE,
    H.SEQ_ENROLLMENT_RULE,
    H.MCARE_RISK_ACCRETION_DATE,
    H.MCARE_RISK_DELETION_DATE,
    H.MCARE_RISK_REFUSED_DATE,
    H.COMMENTS,
    H.USER_DEFINED_2,
    H.USER_DEFINED_3,
    H.RATE_TYPE,
    H.PCPAA_OCCURRED,
    H.PRIVACY_ON,
    H.PCP_CHANGE_REASON,
    H.SITE_CODE,
    H.SEQ_SITE_ADDRESS_ID,
    PM.seq_prov_id rendered_prov
    from hsd_member_elig_history H,
    INC.PCP_REASSIGN_RPRT_DATA P,
    hsd_prov_master PM
    where P.subscriber_id = H.subscriber_id
    and P.rendered_pcp = PM.provider_ID
    and H.elig_status = 'Y'
    and (H.term_date is NULL or H.term_date >= last_day(sysdate))
    order by H.Seq_memb_id;
    begin
    for C in select_cur loop
    rec_cnt := rec_cnt + 1;
    update hsd_member_elig_history
    set term_date = TRUNC(SYSDATE - 1),
    term_reason = 'PCPTR',
    update_datetime = SYSDATE,
    update_user = USER,
    update_process = 'TD33615'
    where seq_elig_hist = C.seq_elig_hist
    and seq_memb_id = C.seq_memb_id;
    INSERT INTO HSD_MEMBER_ELIG_HISTORY
    (SEQ_ELIG_HIST,
    SEQ_MEMB_ID,
    SEQ_SUBS_ID,
    SUBSCRIBER_ID,
    PERSON_NUMBER,
    EFFECTIVE_DATE,
    TERM_DATE,
    TERM_REASON,
    RELATIONSHIP_CODE,
    SEQ_GROUP_ID,
    PLAN_CODE,
    LINE_OF_BUSINESS,
    RIDER_CODE_1,
    RIDER_CODE_2,
    RIDER_CODE_3,
    RIDER_CODE_4,
    RIDER_CODE_5,
    RIDER_CODE_6,
    RIDER_CODE_7,
    RIDER_CODE_8,
    MEDICARE_STATUS_FLG,
    OTHER_STATUS_FLAG,
    HIRE_DATE,
    ELIG_STATUS,
    PREM_OVERRIDE_STEP,
    PREM_OVERRIDE_AMT,
    PREM_OVERRIDE_CODE,
    SEQ_PROV_ID,
    IPA_ID,
    PANEL_ID,
    SEQ_PROV_2_ID,
    SECURITY_CODE,
    INSERT_DATETIME,
    INSERT_USER,
    INSERT_PROCESS,
    UPDATE_DATETIME,
    UPDATE_USER,
    UPDATE_PROCESS,
    USER_DEFINED_1,
    SALARY,
    PEC_END_DATE,
    REASON_CODE,
    PEC_WAIVED,
    BILL_EFFECTIVE_FROM_DATE,
    BILLED_THRU_DATE,
    PAID_THRU_DATE,
    SUBSC_DEPT,
    SUBSC_LOCATION,
    USE_EFT_FLG,
    BENEFIT_START_DATE,
    SEQ_ENROLLMENT_RULE,
    MCARE_RISK_ACCRETION_DATE,
    MCARE_RISK_DELETION_DATE,
    MCARE_RISK_REFUSED_DATE,
    COMMENTS,
    USER_DEFINED_2,
    USER_DEFINED_3,
    RATE_TYPE,
    PCPAA_OCCURRED,
    PRIVACY_ON,
    PCP_CHANGE_REASON,
    SITE_CODE,
    SEQ_SITE_ADDRESS_ID)
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    (hsd_seq_elig_hist.nextval,
    C.SEQ_MEMB_ID,
    C.SEQ_SUBS_ID,
    C.SUBSCRIBER_ID,
    C.PERSON_NUMBER,
    trunc(SYSDATE),
    C.TERM_DATE,
    C.TERM_REASON,
    C.RELATIONSHIP_CODE,
    C.SEQ_GROUP_ID,
    C.PLAN_CODE,
    C.LINE_OF_BUSINESS,
    C.RIDER_CODE_1,
    C.RIDER_CODE_2,
    C.RIDER_CODE_3,
    C.RIDER_CODE_4,
    C.RIDER_CODE_5,
    C.RIDER_CODE_6,
    C.RIDER_CODE_7,
    C.RIDER_CODE_8,
    C.MEDICARE_STATUS_FLG,
    C.OTHER_STATUS_FLAG,
    C.HIRE_DATE,
    C.ELIG_STATUS,
    C.PREM_OVERRIDE_STEP,
    C.PREM_OVERRIDE_AMT,
    C.PREM_OVERRIDE_CODE,
    C.SEQ_PROV_ID,
    C.IPA_ID,
    C.PANEL_ID,
    C.SEQ_PROV_2_ID,
    C.SECURITY_CODE,
    SYSDATE,
    USER,
    'TD33615',
    SYSDATE,
    USER,
    'TD33615',
    C.USER_DEFINED_1,
    C.SALARY,
    C.PEC_END_DATE,
    C.REASON_CODE,
    C.PEC_WAIVED,
    C.BILL_EFFECTIVE_FROM_DATE,
    C.BILLED_THRU_DATE,
    C.PAID_THRU_DATE,
    C.SUBSC_DEPT,
    C.SUBSC_LOCATION,
    C.USE_EFT_FLG,
    C.BENEFIT_START_DATE,
    C.SEQ_ENROLLMENT_RULE,
    C.MCARE_RISK_ACCRETION_DATE,
    C.MCARE_RISK_DELETION_DATE,
    C.MCARE_RISK_REFUSED_DATE,
    C.COMMENTS,
    C.USER_DEFINED_2,
    C.USER_DEFINED_3,
    C.RATE_TYPE,
    C.PCPAA_OCCURRED,
    C.PRIVACY_ON,
    C.PCP_CHANGE_REASON,
    C.SITE_CODE,
    C.SEQ_SITE_ADDRESS_ID);
    commit_cnt := commit_cnt + 1;
    if (commit_cnt = 1000) then
    dbms_output.put_line('Committed updates for 1000 records.');
    commit;
    commit_cnt := 0;
    end if;
    end loop;
    commit;
    dbms_output.put_line('Total number of MEMBER_ELIG_HISTROY records inserted : ' ||
    rec_cnt);
    exception
    when others then
    raise_application_error(-20001,
    'An error was encountered - ' || sqlcode ||
    ' -error- ' || sqlerrm);
    end;

    user10305724 wrote:
    I have tried both the Case statement and Decode function in Select cursor, but both the things are not working. Please define what you mean by not working even if your computer screen is near the internet we can't see it.
    You should also look at the FAQ about how to ask a question
    SQL and PL/SQL FAQ
    Particularly *9) Formatting with {noformat}{noformat} Tags* and posting your version.
    know the reason why decode is not working, I heard some where Case statement do not work with 8i.
    Does this mean you are using 8i? Then scalar sub queries - selects within the select list, are not supported, along with CASE in PL/SQL.
    Select DECODE(1,
    * (Select 1
    from hsd_prov_contract R
    where R.seq_prov_id = PM.seq_prov_id
    and R.line_of_business = H.line_of_business
    and R.PCP_FLAG = 'Y'
    and R.participation_flag = 'P'
    and SYSDATE between R.EFFECTIVE_DATE AND
    NVL(R.TERM_DATE,
    TO_DATE('31-DEC-9999', 'DD-MON-YYYY')))*,
    'Y',
    'N') PAR_FLAG,
    >
    exception
    when others then
    raise_application_error(-20001,
    'An error was encountered - ' || sqlcode ||
    ' -error- ' || sqlerrm);
    http://tkyte.blogspot.com/2008/01/why-do-people-do-this.html                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       

  • Decode function limit

    Hi
    I try to use decode function im the sqlldr control file it gives error
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    i am using the following decode in my control file , pls advise is there is any workaround for this
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    area          position(46:47) char "decode(:key,'21','OH','22','OH','24','OH','25','OH','27','OH','29','OH','30','OH','31','OH','34','OH','35','OH','37','OH','38','OH','39','OH','41','OH','42','OH','43','OH','45','OH','47','OH','49','OH','50','OH','51','OH','54','OH','55','OH','57','OH','58','OH','59','OH',:area)"
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         myear          position(42:45) char,
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  • Decode Function I asked this in the wrong section so I hope Im right now!

    select
    a11.SEQ_MEMB_ID,
    a11.Auth_Number,
    a11.Admit_Primary_Date,
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    CLC, '2',
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    Hi,
    Whenever you have a problem, please post a little sample data (CREATE TABLE and INSERT statements, relevant columns only) from all tables involved.
    Also post the results you want from that data, and an explanation of how you get those results from that data, with specific examples.
    Simplify the problem as much as possible. Remove all tables and columns that play no role in this problem.
    Always say which version of Oracle you're using.
    This is the right forum for this question. Mark your question in the other forum {message:id=10266930} as "Answered", so people won't waste their time.
    925518 wrote:
    select
    a11.SEQ_MEMB_ID,
    a11.Auth_Number,
    a11.Admit_Primary_Date,
    a11.Reviewer,
    Decode (a11.Reviewer,
    CLC, '2',
    HBR, '3',
    RAB, '4')
    a11.admit_primary_date
    from windsoradm.auth_master a11;
    I am trying to get if the Reviewer is CLC then they are code 2 HBR Code 3 etc and it does not work. I take out the decode function and the query works. I am getting ORA-00923 FROM KEYWORD NOT FOUND WHERE EXPECTED.That's the correct DECODE syntax, where CLC, HBR and RAB are columns, and you want to return a string (not a number) such as '2'.
    If 'CLC', 'HBR' and 'RAB' are literal values, then enclose them in single-quotes. If you want to return a number, don't put it in quotes. (Anyhting inside single-quotes is a string literal.)
    Perhaps you meant something like:
    ,     DECODE ( a11.Reviewer
                , 'CLC'          , 1
                , 'HBR'          , 2
                , 'RAB'          , 3
                )      AS reviewer_codeThere's an error right after the DECODE. You can't use a11.admit_primary_date as a column alias. (This is probably what's causing the ORA-00923 error.) Either a11_admit_primary_date (with an underscore instead of a dot) or admit_primary_date would be okay. If a11.admit_priomary_date is the next column in the SELECT clause, put a comma befor it.
    You need a FROM clause.

  • Help for decode function

    Hi all,
    I want to use decode function in RTF template.
    I know i can use if statement to deal with it ,but if the conditions are over 3, if statement is not good choice.
    Here is the if condition statement
    <?if:answer='Y'?>Yes<?end if?> <?if:answer='N'?>No<?end if?>
    how can i translate this if statement to use decode function
    I tried to use the statement as below, but it doesn't work.
    <?xdofx:decode(:answer,Y,'YES',N,'NO')?>
    using this statement i got empty in this field.
    I appreciate any responds, thanks in advance.
    appcat

    Hi,
    it should work,coz there is no xsl equivalent for this function that i have seen on blogs,
    the syntax that i have got it from other xmlp blogs, sounds like you put correct syntax, try to give multiple conditions to check the result
    <?xdofx:decode(’xxx’,’bbb’,’ccc’,’xxx’,
    ’ddd’)?>
    srinuk

  • OWB3i - Validate with DECODE function

    Hi,
    in OWB 3i when I validate an expression defined inside an expression operator with DECODE() function (which is not include in default transformation) come this error:
    Line 1, Col 1:
    PLS-00204: function or pseudo-column 'DECODE' may be used inside a SQL statement only
    but it seems only a warning because when i generate the scripts and run no other error happen and all works fine.
    Regards

    Hi,
    Welcome to the forum!
    When you use a default value, the last argument to DECODE is the actual value you want as a default.
    For example:
    SELECT       ename
    ,       deptno
    ,       DECODE ( deptno
                 , 30     , 'Sales'
                      , 'All others'     -- Default value
                  )                 AS dname
    FROM      scott.emp
    ORDER BY  ename
    ;Output:
    ENAME          DEPTNO DNAME
    ADAMS              20 All others
    ALLEN              30 Sales
    BLAKE              30 Sales
    CLARK              10 All others
    FORD               20 All others
    JAMES              30 Sales
    JONES              20 All others
    KING               10 All others
    MARTIN             30 Sales
    MILLER             10 All others
    SCOTT              20 All others
    SMITH              20 All others
    TURNER             30 Sales
    WARD               30 Sales 
    I hope this answers your question.
    If not, post a little sample data (CREATE TABLE and INSERT statements, relevant columns only) for all tables involved, and also post the results you want from that data.
    Explain, using specific examples, how you get those results from that data.
    If you can show the problem using commonly available tables (such as those in the scott schema) then you don't need to post any sample data; just the results and the explanation.
    Always say which version of Oracle you're using (e.g., 11.2.0.2.0).
    See the forum FAQ {message:id=9360002}

  • Range in decode  functions

    I need help in decode function.
    I have a scenario like if range is between 0 and 20 then display field,
    if range is >20 and <40 then display field2,
    if range is > 40 and <60 the display field 3
    Can i do in decode ?

    Hi,
    If you have to ask how to use DECODE, the answer is "Use CASE instead."
    CASE
         WHEN  range_val BETWEEN     0
                         AND      20     THEN  field
         WHEN  range_val BETWEEN     20
                         AND      40     THEN  field2
         WHEN  range_val BETWEEN     40
                         AND      60     THEN  field3
    END     "Range" is an Oracle keyword, so it's not a good idea to use it as a column name.
    What do you want ot do if range_val is exactly 20 or 40?
    The example above includes 20 in the 0-20 group, not the 20-40 group. That's because the WHEN clauses are evaluated in order. The condition "range_val BETWEEN 20 AND 40" would return TRUE for range_val=20, but that condition will only be evaluated if the earlier condition "range_val BETWEEN 0 AND 20" is not TRUE.
    You can do this just using DECODE. The general way to check for ranges is to use the SIGN function to isolate one range, and a nested DECODE to test for the others. If the values are equally spaced, as in this example, you can get by with just FLOOR, or something similar.
    Unless you're using Oracle 8.0 (or earlier) there is no reason to do this.

  • Need help with DECODE function

    Hello,
    I am trying to use default within the decode function and every time I get a missing expression. I have searched everywhere and cant figure out what I'm doing wrong. Thanks
    select decode (request_id,0,'No files found', DEFAULT)

    Hi,
    Welcome to the forum!
    When you use a default value, the last argument to DECODE is the actual value you want as a default.
    For example:
    SELECT       ename
    ,       deptno
    ,       DECODE ( deptno
                 , 30     , 'Sales'
                      , 'All others'     -- Default value
                  )                 AS dname
    FROM      scott.emp
    ORDER BY  ename
    ;Output:
    ENAME          DEPTNO DNAME
    ADAMS              20 All others
    ALLEN              30 Sales
    BLAKE              30 Sales
    CLARK              10 All others
    FORD               20 All others
    JAMES              30 Sales
    JONES              20 All others
    KING               10 All others
    MARTIN             30 Sales
    MILLER             10 All others
    SCOTT              20 All others
    SMITH              20 All others
    TURNER             30 Sales
    WARD               30 Sales 
    I hope this answers your question.
    If not, post a little sample data (CREATE TABLE and INSERT statements, relevant columns only) for all tables involved, and also post the results you want from that data.
    Explain, using specific examples, how you get those results from that data.
    If you can show the problem using commonly available tables (such as those in the scott schema) then you don't need to post any sample data; just the results and the explanation.
    Always say which version of Oracle you're using (e.g., 11.2.0.2.0).
    See the forum FAQ {message:id=9360002}

  • Group by and decode function

    Can I use a group by on a decode?
    I am using the sql below and get an error message when I
    try to use the group by on a decode.
    select decode(assignment.catcodeid,
    'D', 'SERVICE REQUESTS AND MAINTENANCE',
    'U', 'SERVICE REQUESTS AND MAINTENANCE',
    'P', 'SERVICE REQUESTS AND MAINTENANCE',
    'E', 'SERVICE REQUESTS AND MAINTENANCE',
    'R', 'SERVICE REQUESTS AND MAINTENANCE',
    'T', 'EDUCATION',
    'O', 'OVERHEAD',
    'L', 'UNPAID LEAVE',
    'V', 'VACATION',
    'S', 'SICK PAY',
    'H', 'HOLIDAY',
    'C', 'COMP TIME',
    'UNKNOWN ACTIVITY') "ACTIVITY",
    assignment.catcodeid, assignment.esthrs,
    SUM(ASSIGNMENT.ESTHRS)
    FROM ASSIGNMENT
    GROUP BY ACTIVITY, catcodeid, esthrs
    The error is
    ORA-00904: "ACTIVITY": invalid identifier
    It is understood that Activity is not a field
    on the table.
    But, is there a way that I can group by the result of
    a decode function or what other method/advice I can use to
    group by the result of this.
    Thanks is advance.

    Hello
    You just need to put the decode statement in the group by as well, you can't just use the alias...And if you just group by the catcodeid, you won't be putting all of the SERVICE REQUESTS AND MAINTENANCE rows together. But, because you are selecting the catcodeid aswell as decoding it, that will happen anyway.
    HTH

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