Reg: LDB

hi friends,
please give some details regarding logical database,
how to create it?
what is the need for it ?
whether it has any unique features?

Hi selva,
1. A logical database is in fact
a program only.
2. This LDB provides two main things :
a) a pre-defined selection screen
which handles all user inputs and validations
b) pre defined set of data
based upon the user selection.
3. So we dont have to worry about from
which tables to fetch data.
4. Moreover, this LDB Program,
handles all user-authorisations
and is efficient in all respects.
5. tcode is SLDB.
1. To get a taste of it.
2. create a new z program.
3. while creating type PNP
in logical database field.
4. paste this code and execute.
REPORT ABC.
infotypes : 0001.
TABLES : PERNR.
GET PERNR.
WRITE :/ PERNR-PERNR.
5. The selection screen which u see
is coming from logical database PNP program.
6. Execute
7. U will get a list of pernr.
SAPDBPNP
this is the main program of LDB PNP
which does the main work.
SAPDB + ldb name.
regards,
amit m.

Similar Messages

  • Reg: LDB& Selection screen

    Hello All,
    I have a question reg. selection screen associated with LDB. Iam developing a LDB for Hedge where there are nodes which have the same selection opt but
    they are disjunct. But in LDB static slection screen , we associate Sel Opt with
    a node  and it would appear only for that node. In my case , i have two nodes for the same Sel Opt. How can i resolve this issue ? Kindly help.

    Hai Srivijaya
    Go through the following Document
    1. A logical database is in fact
    a program only.
    2. This LDB provides two main things :
    a) a pre-defined selection screen
    which handles all user inputs and validations
    b) pre defined set of data
    based upon the user selection.
    3. So we dont have to worry about from
    which tables to fetch data.
    4. Moreover, this LDB Program,
    handles all user-authorisations
    and is efficient in all respects.
    5. tcode is SLDB
    good info about Logical Database. you can check the link.
    http://www.geekinterview.com/question_details/1506
    http://help.sap.com/saphelp_46c/helpdata/EN/35/2cd77bd7705394e10000009b387c12/frameset.htm
    Re: How to Create and Use ldb in reports?
    Re: Logical databases
    http://help.sap.com/saphelp_46c/helpdata/en/9f/db9bed35c111d1829f0000e829fbfe/frameset.htm
    Functions for displaying and changing logical databases:
    Call Transaction SE36 or
    Choose ABAP Workbench -> Development -> Programming environ. -> Logical databases
    Interaction between database program and report:
    During program processing, subroutines are performed in the database program and events are executed in the report.
    To read data from a database tables we use logical database.
    A logical database provides read-only access to a group of related tables to an ABAP/4 program.
    advantages:-
    The programmer need not worry about the primary key for each table.Because Logical database knows how the different tables relate to each other,and can issue the SELECT command with proper where clause to retrieve the data.
    i)An easy-to-use standard user interface.
    ii)check functions which check that user input is complete,correct,and plausible.
    iii)meaningful data selection.
    iv)central authorization checks for database accesses.
    v)good read access performance while retaining the hierarchical data view determined by the application logic.
    disadvantages:-
    i)If you donot specify a logical database in the program attributes,the GET events never occur.
    ii)There is no ENDGET command,so the code block associated with an event ends with the next event
    statement (such as another GET or an END-OF-SELECTION).
    1. transaction code SLDB.
    2.enter name z<ldb-name>
    3.create
    4.short text
    5.create
    6. name of root node (here Ekko)
    7. enter short text (f6)
    8.node type -> data base table.
    9.create
    10 change logical DB
    riht click on ekko and insert node
    here node name ekpo
    11.create
    12. click on selections
    13. press no Should the changed structure of Z<ldb name> be saved first.
    14.select tables which you want to join.
    15.transfer
    16 now you have to o to coding part.
    17. save
    activate.
    19.click to src code
    double click on first include and activate
    Regards
    Sreeni

  • Reg  LDB DDF

    HI All,
    I have copied the standard program RFDOPR10 in to z and done some modification's. Now my requirement is to filter the records which are displayed in the out put on the basis of KNKK-CTLPC. so for this i am using GET KNKK syntax. but this particular code is resulting sy-subrc as 0. and i am not getting any KNKK table information. all the fields in this table are marked as ##. please let me know what is the mistake i have done.
    Thanks and Regards,
    M.Phanindra

    HI ALL,
    can i have any inputs on this question.
    Thanks and Regards,
    M.Phanindra

  • What is LDB I want to know  what its exact use

    if any body create ldb please tell me.

    Hi,
    Refer this link:
    http://help.sap.com/saphelp_nw04/helpdata/en/9f/db9b5e35c111d1829f0000e829fbfe/frameset.htm
    http://help.sap.com/saphelp_nw04/helpdata/en/c6/8a15381b80436ce10000009b38f8cf/frameset.htm
    Re: Logical Database.
    Also refr this thread:
    Re: reg: LDB
    Hope It helps.
    regards,
    Rahul
    Edited by: Rahul Kumar Sinha on Nov 19, 2008 7:55 AM

  • Reg : Selection-Screen in LDB's

    hi,
    Iam  working on a report which uses Logical DataBase : PSJ.
    Iam getting output based on the standard selection screen of LDB PSJ.
    Now my requirement is :
    I need to add a new field(select option) to the Selection screen and the output should be displayed based on  new field select option values
    how to do this?
    Plz answer
    Regards
    vaja

    Hi,
    You simply add the check in the relevant GET event of the LDB.
    For example, you may have an event for DOCUMENT as follows.
    GET DOCUMENT.
      check document-ref in s_ref.    
    S_REF being your new select option.
    Hope this helps.
    Darren

  • Reg : SAP Query  in LDB

    Hello ,
    I would like to know more about how infosets are used in LDB's.
    I was recently testing a LDB of Hedge Mgmt. i selected seveal param's  and found that the order of fields in the query really makes a  diff. LDB's are very senstive to ordering ?? Can any one give me more info on how Infosets and SAP queries work ?
    Regards,
    Sri

    Hi,
    look here:
    http://help.sap.com/saphelp_47x200/helpdata/en/d2/cb4138455611d189710000e8322d00/frameset.htm
    http://help.sap.com/saphelp_47x200/helpdata/en/d2/cb43b2455611d189710000e8322d00/frameset.htm
    A.
    Message was edited by:
            Andreas Mann

  • Reg:Modification of HR Report Category in PNP LDB.

    Hi All,
    My requirement is to modify the selection screen of  PNP LDB, in the report category we used to give the required selection screen.suppose i want to use the Report category as HRIN0000 and want to hide payroll area.
    please help me about this.
    Thanks in Advance
    Regards
    Srinivas

    Hi,
    Go to Tcode SE36 -->LDB PNP >Extras>Select view
    Dispaly the function group.If it does not exit create a new function group and assign the fields need to be displayed
    Field that have no fuction can be suppresed in the output.
    I hope this may helpfull.
    Thanks,
    AMS

  • LDB reg

    Hi all,
    WHile using LDB (PNP) how to make the current year as default.
    tnx
    tnx for your replies.
    but it is like selecting the current year option(radio button) by default in standard LDB(PNP). is it neccessary that i have to go for Module Pool Programming
    Message was edited by: Dana Boopalam

    Hi dana,
    1. simple.
    2. write the code in INITIALIZATION EVENT.
    3. just copy paste to get a taste of it.
    4.
    REPORT ABC.
    tables : pernr.
    INITIALIZATION.
      PNPBEGDA = SY-DATUM.
    regards,
    amit m.

  • Reg : Selection Screen For PNP LDB

    Hi All,
    I am having problem in selection screen of logical database PNP..  I am attaching the screenshot of the screen which I am using.
    [https://www.2big2send.com/collect/861452b5d77254eea4fa17cec4842d63]
    Actually.. I created 3 radio buttons down in the screen.. i.e. Delta, delta for X date, full file.
    If the user click on Delta radio button then he can only select today radio button.. If he select others than.. the error message should come.. Can anyone help me.. coz.. I dont know.. which event is triggering if the user select other than today radio button of the PNP screen.
    I put break points on the AT SELECTION SCREEN and AT SELECTION SCREEN OUTPUT.
    But, none of the event is triggering.. Can anyone help me regarding this.
    Thanks,
    Regards,
    Jhings.

    Hi...
    Thanks for the reply.. I did this also..
    AT SELECTION-SCREEN ON RADIOBUTTON GROUP $zb2.
      BREAK-POINT.
    $zb2 is the group name of the radio button which is there in PNP logical database selection screen..
    Same problem again.. this event is not triggering also..
    Regards,
    Jhings

  • Hr-abap reg objects

    hi friends,
    i've completed my hr-abab and i'm searching for some real time objects , so regarding that if u have any object means plz send me yar.i gone through many sites but i'm not geeting any objects reg hr-abap. so plz help me to get some objects???
    thanks in advance.
    regards,
    priya.S

    HI
    HR:
    HR deals with the INFOTYPES which are similar to Tables in General ABAP.
    There are different ways of fetching data from these infotypes.
    There are different areas in HR LIKE Personal Admn, Orgn Management, Benefits, Time amangement, Event Management, Payroll etc
    Infotypes for these areas are different from one another area.
    storing of records data in each type of area is different
    LDBS like PNP are used in HR programing.
    Instead of Select.. we use some ROUTINES and PROVIDE..ENDPROVIDE.. etc
    and in the case of Pay roll we use Clusters and we Import and Export them for data fetching.
    On the whole Normal ABAP is different from HR abap.
    For Personal Admn the Infotypes start with PA0000 to PA1999
    Time Related Infotypes start with PA2000 to PA2999.
    Orgn related Infotypes start with HRP1000 to HRP1999.
    All custom developed infotypes stsrat with PA9000 onwards.
    In payroll processing we use Clusters like PCL1,2,3 and 4.
    Instead of Select query we use PROVIDE and ENDPROVIDE..
    You have to assign a Logical Database in the attributes PNP.
    Go through the SAp doc for HR programming and start doing.
    http://www.sapdevelopment.co.uk/hr/hrhome.htm
    See:
    http://help.sap.com/saphelp_46c/helpdata/en/4f/d5268a575e11d189270000e8322f96/content.htm
    sites regarding hr-abap:
    http://www.sapdevelopment.co.uk/hr/hrhome.htm
    http://help.sap.com/printdocu/core/Print46c/en/data/pdf/PAPA/PAPA.pdf
    http://help.sap.com/printdocu/core/Print46c/en/data/pdf/PAPD/PAPD.pdf
    http://help.sap.com/printdocu/core/Print46c/en/data/pdf/PYINT/PYINT_BASICS.pdf
    http://www.atomhr.com/training/Technical_Topics_in_HR.htm
    http://www.planetsap.com/hr_abap_main_page.htm
    You can see some Standard Program examples in this one ...
    http://www.sapdevelopment.co.uk/programs/programshr.htm
    http://searchsap.techtarget.com/originalContent/0,289142,sid21_gci1030179,00.html?Offer=SAlgwn12604#Certification
    http://www.erpgenie.com/faq/hr.htm.
    http://www.planetsap.com/hr_abap_main_page.htm
    http://www.sapbrain.com/TUTORIALS/FUNCTIONAL/HR_tutorial.html
    These are the FAQ's that might helps you as well.
    http://www.sap-img.com/human/hr-faq.htm
    http://www.sapgenie.com/faq/hr.htm
    http://www.planetsap.com/hr_abap_main_page.htm
    http://www.atomhr.com/library_full.htm
    HR Long texts Upload
    Look at the below link
    BDC - hr maintain text
    HR
    http://help.sap.com/printdocu/core/Print46c/en/data/pdf/PAPA/PAPA.pdf
    http://help.sap.com/printdocu/core/Print46c/en/data/pdf/PAPD/PAPD.pdf
    http://help.sap.com/printdocu/core/Print46c/en/data/pdf/PYINT/PYINT_BASICS.pdf
    http://www.atomhr.com/training/Technical_Topics_in_HR.htm
    http://www.planetsap.com/hr_abap_main_page.htm
    you can see some Standard Program examples in this one..
    http://www.sapdevelopment.co.uk/programs/programshr.htm
    http://searchsap.techtarget.com/originalContent/0,289142,sid21_gci1030179,00.html?Offer=SAlgwn12604#Certification
    These are the FAQ's that might helps you
    http://www.sap-img.com/human/hr-faq.htm
    http://www.sapgenie.com/faq/hr.htm
    http://www.erpgenie.com/faq/hr.htm.
    www.sap-img.com
    http://www.planetsap.com/hr_abap_main_page.htm
    http://www.sapbrain.com/TUTORIALS/FUNCTIONAL/HR_tutorial.html
    http://www.sapfans.com/forums/viewtopic.php?p=498530&sid=d7ec5866e3fb26880da129de45ce79de
    http://www.sapcookbook.com/preview_hr_questions.htm
    http://www.atomhr.com/library_full.htm
    http://www.sapdevelopment.co.uk/hr/hrhome.htm
    http://www.planetsap.com/hr_abap_main_page.htm
    http://expertanswercenter.techtarget.com/eac/knowledgebaseAnswer/0,295199,sid63_gci983590,00.html
    http://www.allsaplinks.com/HRmaterial.html
    http://www.allsaplinks.com/timemanagement.html
    http://www.allsaplinks.com/payrollcompletefunctional.html
    http://help.sap.com/printdocu/core/Print46c/en/data/pdf/HRINF/HRINF.pdf
    http://help.sap.com/printdocu/core/Print46c/en/data/pdf/PYXXFORM/PYINT_FORMBUILDER.pdf
    http://help.sap.com/printdocu/core/Print46c/en/data/pdf/BCBMTWFMPA/BCBMTWFMPA.pdfhttp://help.sap.com/printdocu/core/Print46c/en/data/pdf/MYSAP/SR_HR.pdf
    http://help.sap.com/printdocu/core/Print46c/en/data/pdf/PAPA/PAPA.pdf
    Re: New to ABAP HR Programming
    http://www.planetsap.com/hr_abap_main_page.htm
    Regards
    Anji

  • How to use LDB PNP with ABAP objects in a program

    Hello,
    I am wondering if anybody has used the HR logical database(LDB) PNP with user defined ABAP objects in a program? I am using the FM- <b>LDB_PROCESS</b> but its not working. Also assigning PNP in the attributes section of the program -- so that I can use predefined fields from the LDB and then invoking the FM doesn't work -- throwing 'Logical database already active' error.
    I suppose even with the ABAP objects and the new FM -- I should still be able to utilize the pre-defined fields of the PNP database -- and also the built in authorizations. I cannot use GET PERNR and REJECT as they give errors. I understand that the use of HR-macros (RP-PROVIDE-FROM-LAST and et al.) are not allowed as they use the table work area -- which is not allowed in ABAP-OOPS.
    I would really appreciate if anyone could show me some insight regarding this. Thank you.
    Kshitij R. Devre

    Hi Kshitij
    It would be really good if we could use both together. But as I know, it is not possible. "GET pernr." is an event-like loop statement and so cannot be used in OO context. And I guess, the same restriction holds for the "LDB_PROCESS" since it uses LDB-specific processing.
    What I suggest you is to use standard and BAPI functions.
    Sorry for giving bad news...
    *--Serdar

  • Mail can't send email from 123-reg accounts

    Hi all,
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    I know there is a lot of articles on simular matters and some I have tried out with no luck, others are just speaking a whole other language.
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    I then decided to check if it was a problem at 123-regs end and attempted to log into web mail. This worked and was able to both send and receive emails so eliminated that possibility.
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    Many thanks.

    Thanks
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  • Capturing elements value in the selection screen for LDB during run time

    Hi,
    I have a program where LDB is used.
    Could anyone please suggest how to capture the values of the elements present in the LDB's default selection screen.
    Specially, the company code and the period values.
    Please reply . Its too urgent.
    Regards,
    Binay.

    I got it

  • Reg: Message and BPM

    Hi
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    reg: Prabhu

    Hi,
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    /people/michal.krawczyk2/blog/2005/09/16/xi-how-to-test-your-mapping-in-real-life-scenarios
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  • Access DB (& .ldb file) does not close after crystal reports

    Post Author: mgold
    CA Forum: Crystal Reports
    Access DB (& .ldb file) does not close after crystal reports
    Hi! We have a VB application using Crystal Reports 6 that has worked successfully on hundreds of systems for over 10 years. Now, on one network, the application and access database does not close. It seems to hang on the &#91;.Close&#93; command.
    When we open the application an peruse the screens without opening up a report (using crystal reports), the application and access db closes fine. But as soon as we run a report and then close the report and try to close the application, the access db does not close. Many of the screens open the db and grab data from the access db, but it's only after running crystal reports that we have this problem. (Please see more information below.)
    Setup: Application and data (access 97 db) reside on a server in the same folder, but application shortcut is kicked off on client PC. Kicking off the shortcut on the client PC means that the image/process runs on the client PC (not on the server). In this problem case, the application shortcut is on a Windows XP Pro Version 2002 SP2 PC with the app & data on a Windows 2003 server. Users are local Admins on their PCs with "Full Control"over the directory and files on the server where the data (access 97 db) resides. This type of setup is typical and has worked without any problems for clients.
    The application is written in Visual Basic, using Crystal Reports 6 (using DAO). We close the recordset, set it to zero and then it hangs on closing the db (.Close command).
    A few key pieces of information:
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    - It worked on this client's network until sometime in the last few weeks.
    - One thing that changed is that the company is using VMWare on its servers. Not sure if they started using VMWare at the same time as it started failing. This may be unrelated. Possibly other things changed, but can't get any more information ... yet.
    - It works fine running the application from a Windows Vista PC with a user who is a domain admin.
    - The access db and application hang for about 10-20 minutes and then eventually closes. It appears that somehow
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    - The Crystl32.ocx version being used is 8.0.0.4 (if that matters).
    - I copied 6 month old program files and database files to a test folder on the Windows 2003 server. It fails using these files that worked fine 6 months ago.
    Any ideas or help would be greatly appreciated! If you know of another good place to post this, please let me know.
    Thanks!
    - Mark

    Crystal doesn't support tables in HTML interpretation. 
    You can probably work your way around this by doing Replace() calls on the relevant tags.
    See:
    https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/com.sap.km.cm.docs/oss_notes_boj/sdn_oss_boj_erq/sap(bD1lbiZjPTAwMQ==)/bc/bsp/spn/scn_bosap/notes%7B6163636573733d36393736354636443646363436353344333933393338323636393736354637333631373036453646373436353733354636453735364436323635373233443330333033303331333233313337333033383334%7D.do
    The supported HTML tags are:
    " html
    " body
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    preserve column structure of a table)
    " span
    " font
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    & 9/8 default size)
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    & 5/6 default size)
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    & 5/8 default size)
    " center
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    points or larger)
    " b
    " i
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    " u
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    " align
    " face
    " size
    " color
    " style
    " font-family
    " font-size
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