EJB-QL---  Complex Query --- Two Entites

hi
Can i write Complex Query in EJB-QL
between two entities...
have any buddy wrote the same....
i badly require the same...
bye
RAJ

Raj -- OC4J will support EJB-QL soon but not yet. You can look at
Re: Data Integrity
for more details.
Now, as for complex query, you may still be able to do this in the current version through the orion-ejb-jar.xml. You can
include complex SQL there in the finder methods.
What exactly do you need to do?
later -- Jeff
hi
Can i write Complex Query in EJB-QL
between two entities...
have any buddy wrote the same....
i badly require the same...
bye
RAJ

Similar Messages

  • EJB for complex query

    Hi,
    I'm new in Enterprise javabeans, I have been looking for (almost five days) the
    best way to get the result for a complex query. I tried with example Weblogic
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    and that worked.
    But, I have to evaluate the best way to get result with EJB's. So, I think that
    I have to evaluate others like containerManaged, in this case I have to define
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    Is there another way to develop it with good results? and fast?
    If someone have any good idea to develop a solution with EJB's for this query.
    I'm really appreciate it.
    select CU.ID_CUENTA_USO, C.CLASE_CUENTA, C.ESTADO, P.ID_PRODUCTO, P.NOMBRE_PRODUCTO,
    CU.ID_TIPO_PAGO, AOA.ID_AREA, AOA.NOMBRE_AREA, AOA.ID_TIPO_AOA, CU.ID_CLIENTE_USUARIO,
    decode (PN.ID_PERSONA,null, decode (PJ.ID_PERSONA,null, PR.APELLIDOS || ' ' ||PR.NOMBRES,
    PJ.NOMBRE_EMPRESA),PN.APELLIDOS || ' ' ||PN.NOMBRES)
    from ATRIBUTOS A, CUENTA_USO CU, CUENTA C, PRODUCTO P,
    AREA_OPERACIONES_ADM AOA, PERSONA_NATURAL PN, PERSONA_JURIDICA PJ, PERSONA_REPRESENTADO
    PR
    where A.ABREVT_ATRIB_CTA_USO = 'NRO_CELULAR'
    and A.VALOR = '142000000'
    and CU.ID_CUENTA_USO = A.ID_CUENTA_USO
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    and P.ID_PRODUCTO = CU.ID_PRODUCTO
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    and AOA.ID_TIPO_AOA(+) = CU.ID_TIPO_AREA_ACTIVACION
    and PN.ID_PERSONA(+) = CU.ID_CLIENTE_USUARIO
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    Yose

    Hola/Hello Ryan
    Muchas Gracias por tu respuesta/ Thank's a lot for your answer, I'm trying with
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    ejbc:
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    [java] [EJBCompiler] : Compliance Checker said bean was compliant
    [java]
    [java]
    [java]
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         <caching-element>
              <cmr-field>cuenta</cmr-field>
              <group-name>cuentas_group</group-name>
              <caching-element>
                   <cmr-field>atributos</cmr-field>
                   <group-name>atrib_group</group-name>
              </caching-element>
         </caching-element>
    </relationship-caching>
    Where i have to defined it? Thanks a lot for your help..
    Yosemarlyn
    "Ryan LeCompte" <[email protected]> wrote:
    >
    Hola/Hello Yosemarlyn,
    You can utilize EJB 2.0 CMP to model the query that you specified. You
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    the business domain as CMP Entity beans and then specify the various
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    among them. You actually may get an increase in performance by utilizing
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    in WebLogic due to the new features such as relationship caching, optimistic
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    http://www.theserverside.com/books/masteringEJB/index.jsp
    Optimistic Concurrency:
    http://dev2dev.bea.com/resourcelibrary/technicalguides/Optimistic_Concurrency.jsp
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    Espero que esto te sirva bien. :-)
    Saludos,
    Ryan LeCompte
    [email protected]
    http://www.louisiana.edu/~rml7669
    "Yosemarlyn Lopez" <[email protected]> wrote:
    Hi,
    I'm new in Enterprise javabeans, I have been looking for (almost five
    days) the
    best way to get the result for a complex query. I tried with example
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    with prepareStatament
    and that worked.
    But, I have to evaluate the best way to get result with EJB's. So, I
    think that
    I have to evaluate others like containerManaged, in this case I have
    to define
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    Is there another way to develop it with good results? and fast?
    If someone have any good idea to develop a solution with EJB's for this
    query.
    I'm really appreciate it.
    select CU.ID_CUENTA_USO, C.CLASE_CUENTA, C.ESTADO, P.ID_PRODUCTO, P.NOMBRE_PRODUCTO,
    CU.ID_TIPO_PAGO, AOA.ID_AREA, AOA.NOMBRE_AREA, AOA.ID_TIPO_AOA, CU.ID_CLIENTE_USUARIO,
    decode (PN.ID_PERSONA,null, decode (PJ.ID_PERSONA,null, PR.APELLIDOS
    || ' ' ||PR.NOMBRES,
    PJ.NOMBRE_EMPRESA),PN.APELLIDOS || ' ' ||PN.NOMBRES)
    from ATRIBUTOS A, CUENTA_USO CU, CUENTA C, PRODUCTO P,
    AREA_OPERACIONES_ADM AOA, PERSONA_NATURAL PN, PERSONA_JURIDICA PJ, PERSONA_REPRESENTADO
    PR
    where A.ABREVT_ATRIB_CTA_USO = 'NRO_CELULAR'
    and A.VALOR = '142000000'
    and CU.ID_CUENTA_USO = A.ID_CUENTA_USO
    and C.ID_CUENTA = CU.ID_CUENTA_USO
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    and PN.ID_PERSONA(+) = CU.ID_CLIENTE_USUARIO
    and PJ.ID_PERSONA(+) = CU.ID_CLIENTE_USUARIO
    and PR.ID_PERSONA(+) = CU.ID_CLIENTE_USUARIO
    order
    by P.ID_PRODUCTO, CU.ID_CUENTA_USO;
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    Yose
    [weblogic-cmp-rdbms-jar.xml]

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             group by c.DATE_INDEX, c.VEH_LOC)
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      group by DATE_INDEX)Now I need to add in the following query:
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         from UTIL_TARGET_LOADERS u
        where u.ORG_ID in (select ORG_ID from ORG_ENTITIES where MNG_ORG_ID = 200)The join needs to be based on VEH_LOC and DAY in the form:
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      from UTIL_TARGET_LOADERS u,
        (select DATE_INDEX, VEH_LOC, SUM(LDS) as LDS, SUM(WT) as TONS from
           (select c.DATE_INDEX, c.VEH_LOC, COUNT(j.LOAD_JOB_ID) as LDS,
                 CASE WHEN SUM(w.SPOT_WEIGHT) = 0 THEN SUM(j.MAN_SPOT_WT)
                      ELSE SUM(w.SPOT_WEIGHT)
                  END as WT
              from TC c, TC_LOAD_JOBS j, LOAD_RATES r, SPOT_WEIGHTS w
             where c.TC_ID = j.TC_ID and j.LOAD_RATE_ID = r.LOAD_RATE_ID
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               and c.VEH_LOC in (select ORG_ID from ORG_ENTITIES where MNG_ORG_ID = 200)
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    Figured it out.
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                 DECODE(SUM(j.AVG_SPOT_WEIGHT),0,SUM(r.BID_TONS),SUM(j.AVG_SPOT_WEIGHT)) as WT
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    Thank you to everybody for your answers.
    I need to know more about this way to declare a variable in SAP.
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    SELECT * FROM BTF1
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    DECLARE @D2 DATETIME
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    SET @D2=/* T0.REFDATE */ '[%1]'
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    Jonny Cortonicchi

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  • How to bind local variables in complex query in PL/SQL

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    from qp_list_headers_v h,
          qp_list_lines_v l,
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  • Need complex query  with joins and AGGREGATE  functions.

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    TNAME TABTYPE CLUSTERID
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    969352 wrote:
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  • Complex Query which needs tuning

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    PRODUCT_MAJORS PM,
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    REGION_MAP R
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    AND SOL.REGION_CODE = SO.REGION_CODE
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    NESTED LOOPS                         
    NESTED LOOPS               Cost=571     Cardinality=1     Bytes=229
    NESTED LOOPS               Cost=571     Cardinality=1     Bytes=207
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    NESTED LOOPS               Cost=568     Cardinality=2     Bytes=360
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    INLIST ITERATOR                         
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    Edited by: user5495111 on Aug 6, 2009 1:32 PM

  • How to store data from a complex query and only fresh hourly or daily?

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  • Creating a complex query in CR designer

    I'm running Crystal Reports XI Release 2 on Windows NT. I have a very complex query and cannot figure out how to make it work in CR. Basically, I've got a table A with fields containing reference codes that may or may not be present. I created a SQL query that imbeds select statements in the select fields (the field names between SELECT and FROM). So, it would read something like SELECT field1, field2, (select Code_Name from REF_Table where REF_Table.code=TableA.code and TableA.code is not null) FROM TableA. That works great in SQL Developer.
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  • Complex query crashing database!

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  • MVIEW & Complex query.

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