Want to know name of logical database

hi,
i want to know name of logical database which will contain following tables : BSEG , BSIS , BSAS, BKPF.
i want all these table together inside one logical database.

Hi Sachin,
Go to SE11 transaction display any table as for ex BSEG.Put where use list for this table.You will get a list here.Select LDB.Press enter.You will get some LDB's Check in which LDB all the tables are present.
LDB SDF contains table BKPF,
BSEG,
BSIS.
Regards,
Mukesh Kumar
Message was edited by: mukesh kumar

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Is Logical Database used in ABAP?????

Hi All,
I m very confused whether LDB's are used in ABAP or not.
i have undergone a small training in ABAP-HR (HCM).
In that training i was told that there is an advantage in HCM that LDB's are used here
which were not used in ABAP.
And i have read somewhere that LDB's are used in ABAP.
can plz sumone give a light on this.
Thanks,
Sonali

hi,
The use of a logical database provides you with an alternative to having to program database accesses individually. Logical databases retrieve data records and make them available to ABAP programs.
The same logical database can be the data source for several Quick Views, queries, and programs. In the Quick View, the LDB can be specified directly as a data source. A query works with the logical database when the functional area that generated the query is defined with a logical database. In the case of type 1 programs, the LDB is entered in the attributes or called using function module LDB_PROCESS. See appendix for information on how to use the function module.
Logical databases offer several advantages:
The system generates a selection screen. The use of selection screen versions or variants provides the required flexibility.
The user does not have to know the exact structure of the tables involved (especially the foreign key dependencies); the data is made available in the correct order at GET events.
Performance improvements within logical databases directly affect all programs linked to the logical database, without having to change the programs themselves.
Maintenance can be performed at a central location.
Authorization checks can also be performed centrally.
A logical database is an ABAP program that reads predefined data from the database and makes it available to other programs.
A hierarchical structure determines the order in which the data is supplied to the programs. A logical database also provides a selection screen that checks user entries and conducts error dialogs. These can be extended in programs.
SAP provides some 200 logical databases in Release 4.6. The names of logical databases have been extended to 20 places in Release 4.0 (namespace prefix max. 10 characters).
In the case of executable programs, you can enter a logical database in the attributes.
Use the NODES statement to specify the nodes of the logical database that You want to use in the program. NODES allocates the appropriate storage space for the node - that is, a work area or a table area depending on the node type.
The logical database makes the data records available for the corresponding GET events.
The sequence in which these events are processed is determined by the structure of the logical database.
Logical databases are made up of several sub-objects. The structure determines the hierarchy, and thus the read sequence of the data records.
Hope this helps, Do reward

HR Logical Database

Hi,
Is it common to use logical database for HR report?? How about other module such as SD/MM??
Regards,
Kit

Hi,
Logical databases are special ABAP programs that retrieve data and make it available to application programs. The most common use of logical databases is still to read data from database tables by linking them to executable ABAP programs.
However, from Release 4.5A, it has also been possible to call logical databases using the function module LDB_PROCESS. This allows you to call several logical databases from any ABAP program, nested in any way. It is also possible to call a logical database more than once in a program, if it has been programmed to allow this. This is particularly useful for programs with type 1.
Logical databases contain Open SQL statements that read data from the database. You do not therefore need to use SQL in your own programs. The logical database reads the program, stores them in the program if necessary, and then passes them line by line to the application program or the function module LDB_PROCESS using an interface work area.
Logical Databases - Views of Data
A logical database provides a particular view of database tables in the R/3 System. It is always worth using logical databases if the structure of the data that you want to read corresponds to a view available through a logical database.
The data structure in a logical database is hierarchical. Many tables in the R/3 System are linked to each other using foreign key relationships. Some of these dependencies form tree-like hierarchical structures. Logical databases read data from database tables that are part of these structures.
The diagram illustrates how the R/3 System might represent the structure of a company. A logical database can read the lines of these tables one after the other into an executable program in a sequence which is normally defined by the hierarchical structure. The term logical database is sometimes used to mean not only the program itself, but also the data that it can procure.
Tasks of Logical Databases
As well as allowing you to read data from the database, logical databases also allow you to program other tasks centrally, making your application programs less complicated. They can be used for the following tasks:
Reading the same data for several programs.
The individual programs do not then need to know the exact structure of the relevant database tables (and especially not their foreign key relationships). Instead, they can rely on the logical database to read the database entries in the right order during the GET event.
Defining the same user interface for several programs.
Logical databases have a built-in selection screen. Therefore, all of the programs that use the logical database have the same user interface.
Central authorization checks
Authorization checks for central and sensitive data can be programmed centrally in the database to prevent them from being bypassed by simple application programs.
Improving performance
If you want to improve response times, logical databases permit you to take a number of measures to achieve this (for example, using joins instead of nested SELECT statements). These become immediately effective in all of the application programs concerned and save you from having to modify their source code
Reward Points if useful
Raghunath.S
9986076729

Why u use logical databases

how u used logical database?how is data transferrd to program?corresponding statement in LDB?

Hi,
Logical databases are programs that does useful tasks like data fetch, Authorization check on behalf of thep program to which you attach them.
Some of the Tasks of LDB's.
Reading the same data for several programs.
The individual programs do not then need to know the exact structure of the relevant database tables (and especially not their foreign key relationships). Instead, they can rely on the logical database to read the database entries in the right order during the GET event.
Defining the same user interface for several programs.
Logical databases have a built-in selection screen. Therefore, all of the programs that use the logical database have the same user interface.
Central authorization checks
Authorization checks for central and sensitive data can be programmed centrally in the database to prevent them from being bypassed by simple application programs.
Improving Performance
If you want to improve response times, logical databases permit you to take a number of measures to achieve this (for example, using joins instead of nested SELECT statements). These become immediately effective in all of the application programs concerned and save you from having to modify their source code.
The data fetch happend with the PUT_XXXX subrotuines in the Logical database programs.
Example:
DATABASE PROGRAM OF THE LOGICAL DATABASE TEST_LDB
PROGRAM sapdbtest_ldb DEFINING DATABASE test_ldb.
TABLES: lfa1,
 lfb1,
 lfc1,
 bkpf.
Initialize selection screen (process before PBO)
FORM init.
ENDFORM. "INIT
PBO of selection screen (always before selection
screen
FORM pbo.
ENDFORM. "PBO
PAI of selection screen (process always after ENTER)
FORM pai USING fname mark.
CASE fname.
 WHEN 'SLIFNR'.
 WHEN 'SBUKRS'.
 WHEN 'SGJAHR'.
 WHEN 'SBELNR'.
ENDCASE.
ENDFORM. "PAI
Call event GET LFA1
FORM put_lfa1.
SELECT * FROM lfa1
 WHERE lifnr IN slifnr.
 PUT lfa1.
ENDSELECT.
ENDFORM. "PUT_LFA1
Call event GET LFB1
FORM put_lfb1.
SELECT * FROM lfb1
 WHERE lifnr = lfa1-lifnr
 AND bukrs IN sbulrs.
 PUT lfb1.
ENDSELECT.
ENDFORM. "PUT_LFB1
Call event GET LFC1
FORM put_lfc1.
SELECT * FROM lfc1
 WHERE lifnr = lfa1-lifnr
 AND bukrs = lfb1-bukrs
 AND gjahr IN sgjahr.
 PUT lfc1.
ENDSELECT.
ENDFORM. "PUT_LFC1
Call event GET BKPF
FORM put_bkpf.
SELECT * FROM bkpf
 WHERE bukrs = lfb1-bukrs
 AND belnr IN sbelnr
 AND gjahr IN sgjahr.
 PUT bkpf.
ENDSELECT.
ENDFORM. "PUT_BKPF
Regards,
Sesh

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Hi Experts,
Im New to ABAP HR,
I would like to know about the logical databases we are using .
Logical Database - PNP, PCH, PNPCE, basic principles
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[email protected]

Hi Rohini...
Global Employee Programming
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Message was edited by:
Aslam Riaz

Logical Database PGQ

Hello Experts,
I want to fetch data from Logical database PGQ. I am using the following code :
Nodes : QALS, QAPO, QAMV.
GET QALS.
GET QAPO.
GET QAMV.
I am getting the data in QALS. But QAPO and QAMV are filled with #.
Can anyone please suggest how to fetch data using logical database.
Thanks!!!

Hi Ankur
You can use program SAPDBPGQ that is program created to test logical database PGQ. Then you can get only part responsible for nodes QALS, QAPO and QAMV
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Want to know database name from RMAN prompt

Hi there
I want to know database name when I am in RMAN prompt.
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Copyright (c) 1982, 2005, Oracle. All rights reserved.
RMAN> connect target /
connected to target database: SYSLOG (DBID=3659208352)
Here SYSLOG is the database name
Regards
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user623166
Handle:      user623166
Status Level:      Newbie
Registered:      Mar 2, 2008
Total Posts:      42
Total Questions:      *18 (18 unresolved)*
Name      jewel_bd
Occupation      DBA
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Logical database EQI (equipment) .. I dont want to use the default selecti

i am using Logical database EQI (equipment) its realated to PM module.....
i dont want to use the default selection screen.
instead i want to process my own selection screen inputs..
(ie..) i want to fetch the data using the GET event using my own selection screen inputs.
my selection screen inputs is   equipmentnumber (equnr)
and the output list : 1.equnr      "equipment number
                              2.shtxt       "Equipment Description
                              3.tplnr        "Functional Location
                              4.pltxt        "Functional Location Description
                              5.qmnum    "Notification Number
                              6.qmtxt      "Notification Description
             and so on ..........
how to do this ... can any one give sample code... or logic

Hi Victor,
I have a simple solution for this.i think it will help you.Do u have any idea about query designer in SAP.
by using it we can satisfy u r reuqirement.follow the below steps.
1)Go to SQ01
2)In the screen click on QuickViewer option.then you will go to another screen.
3)In that screen give any name starting with 'Z' in the QuickView box and then click on create.
4)In the dialogbox enter title and comments and then select LogicalDatabase as the DATASOURCE and give DataSourceLogicalDatabase as EQI.check the radio button Basis Mode and then click on ok.
5)then on the screen in the first half of leftside you will get another screen with the columns DATAFIELDS,LISTFIELDS,SELECTIONFIELDS,TECHNICALNAME.
6)In the DATAFIELDS column expand the tree,then u can see the fields what we have,and what you want.and also you can see the check boxes in front of the columns LISTFIELDS,SELECTIONFIELDS.
7)LISTFIELDS means the output fields,SELECTIONFIELDS means the selection screen fields(equnr).
check the checkboxes as per u r requirement and click on execute.
8)then a progam will be created.to know the program name after executing the program GO TO
SYSTEM->STATUS.then u can see the program name there.
If u know all these,let me know so that i can try for another solution.
Thanks,
N.K.C

How to find Logical database name using selection view

Hi Experts,
How can we find logical database name using selection view in se36.
Regards,
Mani

Hi,
If you want to see the logincal database used in the report ( tcode se38) in the intial screen select the attribute tab
and click display you will bw able to see the logical datbase ysed for the report.
Thanks.

Want To Know The Name OF Company Table

In Administration -> Choose Company, It gives me the list of all Company Name,Database Name,Version etc .
I Want to know the Table Name which has all information about company name and all.
Regards

The db version is stored in table CINF (Version). Others information gave you members already. If you want have list of all dbs on the server like in login screen, you should use select from information schemas as
select * from information_schema.tables where table_name = 'CINF'
and youll receive all databases, where the CINF table is, then create tmp table (dbname, company, version fields) and in cursor go through all results from select * from information_schema.tables where table_name = 'CINF'
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Logical database names

hi experts,
pls give me the main logical databases names used for taking reports using SAP query in sq02.
ex hr- pnp,material ckm etc

Hi
Check the tables related to LDB's
LDBS
LDBT
T0220
see the doc on LDB
A logical database is a special ABAP/4 program which combines the contents of certain database tables. You can link a logical database to an ABAP/4 report program as an attribute. The logical database then supplies the report program with a set of hierarchically structured table lines which can be taken from different database tables.
LDB offers an easy-to-use selection screens. You can modify the pre-generated selection screen to your needs. It offers check functions to check whether user input is complete, correct, and plausible. It offers reasonable data selections. It contains central authorization checks for data base accesses. Enhancements such as improved performance immediately apply to all report programs that use the logical database.
Less coding s required to retrieve data compared to normal internel tables.
Tables used LDB are in hierarchial structure.
Mainly we used LDBs in HR Abap Programming.
Where all tables are highly inter related so LDBs can optimize the performance there.
Check this Document. All abt LDB's
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/com.sap.km.cm.highlightedcontent?documenturi=%2flibrary%2fabap%2fabap-code-samples%2fldb+browser.doc
GO THROUGH LINKS -
http://www.sap-basis-abap.com/saptab.htm
http://help.sap.com/saphelp_nw04/helpdata/en/9f/db9bfa35c111d1829f0000e829fbfe/content.htm
http://help.sap.com/saphelp_nw04/helpdata/en/9f/db9b5e35c111d1829f0000e829fbfe/frameset.htm
http://help.sap.com/saphelp_nw04/helpdata/en/c6/8a15381b80436ce10000009b38f8cf/frameset.htm
/people/srivijaya.gutala/blog/2007/03/05/why-not-logical-databases
Re: **LDB**
www.sapbrain.com/FAQs/TECHNICAL/SAP_ABAP_Logical_Database_FAQ.html
www.sap-img.com/abap/abap-interview-question.htm
www.sap-img.com/abap/quick-note-on-design-of-secondary-database-indexes-and-logical-databases.htm
http://help.sap.com/saphelp_nw04/helpdata/en/9f/db9b5e35c111d1829f0000e829fbfe/content.htm
http://help.sap.com/saphelp_nw2004s/helpdata/en/9f/db9bb935c111d1829f0000e829fbfe/content.htm
Gothru the blog which provides info on LDB's:
/people/srivijaya.gutala/blog/2007/03/05/why-not-logical-databases
Reward points for useful Answers
Regards
Anji

Want to know name of logical database

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