What is the difference between Structure and Work area

Hi Guys,
What is the difference between Structure and work area?
Are they same with different names?
Thanks,
mini.

hey buddies,*
i had this same doubt for a long time and i have my finds with me ie wa and structure are the same but wa can hold a single record but structure cannot hold data in it but according to the previous posts folks say structure too holds data as wa does but i guess when debugging wa holds data and structure doesnt hold bcoz i tried.
types : begin of str_mara,
             matnr type mara-matnr,
            ernam type mara-ernam,
            end of str_mara.
data it_mara type table of str_mara.
select matnr ernam from mara into it_mara where matnr = '100-101'.
*********************if folks say wa = structure,this should work,isn't it?*********************************
loop at it_mara into str_mara.
write:/ str_mara-matnr , str_mara-ernam.
endloop.
*******************but it throws an error saying that str_mara is not a wa*******************************
i may not be correct too plz let me know if i'm wrong
Edited by: arun_aime on Feb 12, 2010 4:41 PM

Similar Messages

What is the difference between MOVE and WRITE TO ststement?

Hi
What is the difference between MOVE and WRITE TO ststement?
When do we use both of them?
Thank You

Hi,
<b>MOVE</b>
Syntax
MOVE source {TO|?TO} destination.
destination {=|?=} source.
Effect
Both these statements assign the content of the operand source to the data object destination. The variants with the language element TO or the assignment operator = are valid for all assignments between operands that are not reference variables, and for assignments between reference variables for which the static type of source is more specific than or the same as the static type of destination(narrowing cast).
Variants with the language element ?TO or the assignment operator ?= (casting operator ) must be used if the source and destination are reference variables and the static type of source is more general than the static type of destination (widening cast). For assignments between operands that are not reference variables, use of the question mark ? is not permitted.
The data object destination can be any data object that can be listed at a write position, and the data object source can be a data object, a predefined function or a functional method (as of release 6.10). The data type of the data object destination must either be compatible with the data type of source, or it must be possible to convert the content of source into the data type of destination according to one of the conversion rules.
Notes
If source and/or destination are field symbols, then, as in all ABAP commands, the system works with the content of the data objects to which the field symbols point. The actual pointer content of a field symbol can only be changed using the statement ASSIGN or the addition ASSIGNING when processing internal tables (value semantics). If source and destination are reference variables, the reference contained in source is assigned to destination (reference semantics).
Strings and internal tables are addressed internally using references. When assignments are made between strings and between internal tables (as of release 6.10), only the reference is transferred, for performance reasons. After the assignment, the actual string or the actual table body of the source as well as the target object are addressed (sharing). When the object is accessed to change it, the sharing is canceled and a copy of the content is made. The sharing is displayed in the memory consumption display of the ABAP debugger and in the Memory Inspector tool (as of release 6.20).
Obsolete Form: MOVE PERCENTAGE
Exceptions
Catchable Exceptions
CX_SY_CONVERSION_NO_NUMBER
Cause: Operand cannot be interpreted as number
Runtime Error: CONVT_NO_NUMBER (catchable)
CX_SY_CONVERSION_OVERFLOW
Cause: Overflow with arithmetic operation (type P, with specified length)
Runtime Error: BCD_FIELD_OVERFLOW (catchable)
Cause: Operand too large or (intermediate) result too large
Runtime Error: CONVT_OVERFLOW (catchable)
CX_SY_MOVE_CAST_ERROR
Cause: Source or target variable are not reference variables
Runtime Error: MOVE_CAST_REF_ONLY
Non-Catchable Exceptions
Cause: Source field (type P) does not contain correct BCD format.
Runtime Error: BCD_BADDATA
Cause: Assignment for deep structures not permitted if these overlap.
Runtime Error: MOVE_COMPLEX_OVERLAP
Cause: Type conflict with the assignment between object references.
Runtime Error: MOVE_INTERFACE_NOT_SUPPORTED,
Runtime Error: MOVE_IREF_NOT_CONVERTIBLE,
Runtime Error: MOVE_IREF_TO_OREF,
Runtime Error: MOVE_OREF_NOT_CONVERTIBLE
Cause: Type conflict with the assignment between data references.
Runtime Error: MOVE_DREF_NOT_COMPATIBLE
Cause: Assignment between the types involved not supported.
Runtime Error: MOVE_NOT_SUPPORTED
Cause: Constants and literals must not be overwritten.
Runtime Error: MOVE_TO_LIT_NOTALLOWED
Cause: onstants and literals must not be overwritten.
Runtime Error: MOVE_TO_LIT_NOTALLOWED_NODATA
Cause: During a loop in an internal table, an attempt was made to overwrite a reference variable that is linked with the internal table by REFERENCE INTO.
Runtime Error: MOVE_TO_LOOP_REF
<b>Write</b>
Syntax Diagram
WRITE - TO
Syntax
WRITE {source|(source_name)} TO destination
                             [int_format_options].
Effect:
This statement assigns the formatted content of the data object source, or the formatted content of the data object whose name is contained in source_name, to the data object destination. The data objects source_name and destination must be character type and flat. source_name can contain the name of the data object to be assigned in upper or lower case. If the data object specified in source_name does not exist, the assignment is not executed, and sy-subrc is set to 4.
The statement WRITE TO has the same effect as the statement WRITE for lists. This statement formats the content of source or the source field specified in source_name as described in the field. It does not, however, store the result in an output area of a list in the list buffer, but instead stores it in a variable. The output length is determined by the length of the variable.
The same additions int_format_options can be specified for formatting the content as in the statement WRITE for lists, except for NO-GAP and UNDER.
System fields
sy-subrc Meaning
0 The data object specified in source_name was found and the assignment was executed.
4 The data object specified in source_name was not found and the assignment was not executed.
For the static specification of source, sy-subrc is not set.
Note:
If destination is specified as an untyped field symbol or an untyped formal parameter, and is not flat and character-type when the statement is executed, this leads to an untreatable exception in a Unicode program. In non-Unicode programs, this only leads to an exception for deep types. Flat types are handled as character-type data types.
Example:
After the assignment, the variables date_short and date_long receive the current date in the order specified in the user master record. The variable date_long also contains the defined separators, as the output length is sufficiently long. The content of the variable date_mask is formatted according to the formatting addition DD/MM/YY.
DATA: date_short(8) TYPE c,
      date_long(10) TYPE c,
      date_mask(8) TYPE c.
WRITE sy-datum TO: date_short,
                   date_long,
                   date_mask DD/MM/YY.
Exceptions
Non-Catchable Exceptions
Cause: Negative length specified for offset/length
Runtime Error: WRITE_TO_LENGTH_NEGATIVE
Cause: Negative offset specified in offset/length
Runtime Error: WRITE_TO_OFFSET_NEGATIVE
Cause: Offset specified in offset/length specification is longer than the field length.
Runtime Error: WRITE_TO_OFFSET_TOOLARGE
Thanks
sunil

What is the difference between #variable_name and :variable_name?

Hi!
What is the difference between #variable_name and :variable_name?
I have found that if we use alphanumeric variable then :variable_name return value in quotes but #variable_name without quotes.
Why it does not work in the same way for variable default values when variable is used in filter? (It works in mapping)
I use variable in filter like T.OUT_DATE>convert(datetime,:LAST_UPDATE_DATE,121)
When I use my variable in package and do refresh it works fine. But when I try to execute the same interface with variable default value I get error. Seems that variable name has been not changed to the value. It does not work with default value in quotes neither without quotes.
Any ideas how to solve that?
Thank you in advance!
Edited by: user13278245 on Sep 15, 2010 4:34 AM

Question is how to make it work with default value, when I execute interface standalone, not in package? And why it works in mapping but not in filter?
+ I have found that it works if source is Oracle. It doesn't work only for MS SQL source.
Edited by: user13278245 on Sep 15, 2010 6:43 AM

What is the difference between upgradation and migration.

Hi Guru's
what is the difference between upgradation and migration.
actuallly i involved in upgradation project, here my role is
1. first i check the query's in 3.5 save the query and transport the query. and check the query in bex analyzer also.
2. go to BI .7 find the query;s ,give the query name and save the query ,
3. once save the query, again will come to 3.5 open the query , it will not open. this is my job here,
come to 7.0 check the query in analyzer also.
i am having littile bit confusion, how it will comes query in 7.0, why are u saving the query's in 3.5 and 7.0
query's already available in 7.0 why are u doing this work?
can i know the upgrades those objects, is it neccessary, if necessary how can i upgrade.
infoobje , transferrules, transferstructure ,infosoure, datasoure,updaterules, ods, cubes.
Points will be Assingned ,
Thanks & Regards
prabhavathi

Hi,
I was talking in a general sense not on a query level.
If your taling about migration in that level meaning as a part of larger upgradation (in your case 3.x to 7) there may be many places where you need to do this kind of activities.
Fr eg migration into new data flow, Migration of Web templates from BW 3.x to Netweaver 2004s, etc
Hope this helps.
Thanks,
JituK

What's the difference between SNC and SRM?

we will sell SNC in Q2.But i don't know what is the difference between SNC and SRM.
i've heard SNC suit Direct procurement better than SRM...
Pls give me the advice and information.
good regards kenji

Hi Kenji,
SRM is more of Supplier Identification and SNC work of building
relationship with Supplier starts after this Supplier identification.
SNC is very Good tool to handover Inventory replenishemnt
to Suppliers and it gives Visibility of inventory information over Web UI.
SNC has many processes like PO Collaboration, SMI, DR,DCM, SNI,
Invoice Collaboration,Release process...to accomplish above mentioned task.
SNC is designed for direct materials procurement.
SRM has contract negotiations,bids,auctions for sourcing to identify suppliers
SRM is good for basic purchasing fuctionality and suitable for indirect materials.
In addition to all these SNC has Customer Collaboration functionality also.
Regards,
Vasu

What's the Difference Between OLAP and OLTP?

HI,
What's the difference between OLAP and OLTP ? and which one is Best?
-Arun.M.D

Hi,
The big difference when designing for OLAP versus OLTP is rooted in the basics of how the tables are going to be used. I'll discuss OLTP versus OLAP in context to the design of dimensional data warehouses. However, keep in mind there are more architectural components that make up a mature, best practices data warehouse than just the dimensional data warehouse.
Corporate Information Factory, 2nd Edition by W. H. Inmon, Claudia Imhoff, Ryan Sousa
Building the Data Warehouse, 2nd Edition by W. H. Inmon
With OLTP, the tables are designed to facilitate fast inserting, updating and deleting rows of information with each logical unit of work. The database design is highly normalized. Usually and at least to 3NF. Each logical unit of work in an online application will have a relatively small scope with regard to the number of tables that are referenced and/or updated. Also the online application itself handles the majority of the work for joining data to facilitate the screen functions. This means the user doesn't have to worry about traversing across large data relationship paths. A heavy dose of lookup/reference tables and much focus on referential integrity between foreign keys. The physical design of the database needs to take into considerations the need for inserting rows when deciding on physical space settings. A good book for getting a solid base understanding of modeling for OLTP is The Data Modeling Handbook: A Best-Practice Approach to Building Quality Data Models by Michael C. Reingruber, William W. Gregory.
Example: Let's say we have a purchase oder management system. We need to be able to take orders for our customers, and we need to be able to sell many items on each order. We need to capture the store that sold the item, the customer that bought the item (and where we need to ship things and where to bill) and we need to make sure that we pull from the valid store_items to get the correct item number, description and price. Our OLTP data model will contain a CUSTOMER_MASTER, A CUSTOMER_ADDRESS_MASTER, A STORE_MASTER, AN ITEM_MASTER, AN ITEM_PRICE_MASTER, A PURCHASE_ORDER_MASTER AND A PURCHASE_ORDER_LINE_ITEM table. Then we might have a series of M:M relationships for example. An ITEM might have a different price for specific time periods for specific stores.
With OLAP, the tables are designed to facilitate easy access to information. Today's OLAP tools make the job of developing a query very easy. However, you still want to minimize the extensiveness of the relational model in an OLAP application. Users don't have the wills and means to learn how to work through a complex maze of table relationships. So you'll design your tables with a high degree of denormalization. The most prevalent design scheme for OLAP is the Star-Schema, popularized by Ralph Kimball. The star schema has a FACT table that contains the elements of data that are used arithmatically (counting, summing, averaging, etc.) The FACT Table is surrounded by lookup tables called Dimensions. Each Dimension table provides a reference to those things that you want to analyze by. A good book to understand how to design OLAP solutions is The Data Warehouse Toolkit: Practical Techniques for Building Dimensional Data Warehouses by Ralph Kimball.
Example: let's say we want to see some key measures about purchases. We want to know how many items and the sales amount that are purchased by what kind of customer across which stores. The FACT table will contain a column for Qty-purchased and Purchase Amount. The DIMENSION tables will include the ITEM_DESC (contains the item_id & Description), the CUSTOMER_TYPE, the STORE (Store_id & store name), and TIME (contains calendar information such as the date, the month_end_date, quarter_end_date, day_of_week, etc).
Database Fundamentals > Data Warehousing and Business Intelligence with Mike Lampa
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What's the difference between shuffle and shuffle all?

What's the difference between shuffle and shuffle all?

Thanks but I have no playlists. Perhaps you know then how the buttons work:
ie. when "shuffle" is showing, does that mean it set to "shuffle all" and vice versa?
the logic on these Iphones is whacky...
Thanks!

What is the difference between ABAP and HR-ABAP?

Hi people,
Could u just tel me abt what is the difference between ABAP and HR-ABAP?
Thanks in advance,
Sanjeev K.V

Hi Sir ,
Please have a look below .Hope it is suitable and simpler solution for your question.
Please do reward if useful.
Thankx.
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.
Also,
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
And finally,
Few notes are below:
InfoSets in the HR Application
You can use SAP Query in HR to report on HR data. Queries are maintained as described in Creating Queries. The special features of queries created for HR are described in Maintaining Queries in the Human Resources Application. The maintenance procedure for HR InfoSets differs from the described procedure inasmuch as HR data fields are grouped together in infotypes.
InfoSet management in SAP Query is also used for InfoSet Query. For further information, see Functions for Managing InfoSets.
If you want to create InfoSets for HR, you can use logical databases PNP, PNPCE, PAP, and PCH (see HR Logical Databases). The database you must use to create your InfoSet depends on the component in which the data you want to report on is stored.
The reports you can execute using InfoSets based on logical databases PNP (or PNPCE) or PCH are similar, but differ in that they can select different objects. The following table describes the connection between the logical database, and the infotypes you can include in an InfoSet. It also provides you with one or two examples of reports that you can execute using the appropriate InfoSets.
Logical database PNP/PNPCE* PCH PAP
Selection of Persons Objects from Personnel Planning Applicants
Infotypes that can be included in the InfoSet Infotypes for· Personnel Administration (0000-0999) · Time Management (2000-2999) · Payroll infotypes · Infotypes for Personnel Planning objects that can be related to persons If the object type is specified:· Infotypes for the object type · Infotypes for objects that can be related to the specified object typeIf the object type is not specified:· All infotypes · Infotypes for Recruitment (4000-4999)· Some infotypes for Personnel Administration (such as 0001 and 0002)
· Customer infotypes
Reporting examples · Selection of all persons who participated in a specific business event, output of prices for reserved business events · Selection of all persons assigned to a specific personnel area, output of qualifications held by these persons · Selection of all business events held in London in March, output of all persons who participated in these business events · Selection of all positions assigned to a specific organizational unit, output of all persons assigned to the positions · Selection of all applicants hired last year to work on special projects, output of addresses for the applicants selected
Logical database PNPCE (PNP Concurrent Employment) functions just like logical database PNP. The procedure for creating InfoSets is also the same. It only becomes significant if you work with Concurrent Employment.
Creating InfoSets
The maintenance procedure for HR InfoSets differs from the procedure described so far in this section inasmuch as HR data fields are grouped together in infotypes. To set up an InfoSet for the HR application, proceed as follows:
1. On the initial screen for maintaining InfoSets, enter a name for the InfoSet and choose Create.
2. On the next screen, enter a name for the InfoSet and select one of the HR logical databases in accordance with your reporting requirements.
Customer infotypes can be created on all HR logical databases. In each individual case, therefore, you must decide which database to select so that you can report on customer infotypes.
This screen enables you to enter an authorization group. All of the queries that are subsequently created using this InfoSet can only be executed by persons who have this authorization group.
3. Choose .
This takes you to the Infotype Selection for InfoSet screen. You now have the option of creating field groups and assigning fields as required for non-HR InfoSets. Field groups that correspond to infotypes and already contain fields, however, are always created for HR InfoSets. The field groups are displayed in an overview tree in the top right section of the screen.
The infotypes that you included in the InfoSet are displayed in an overview tree on the left of the screen. The infotype fields that are already included in field groups are displayed in a different color, and the corresponding field group ID is displayed.
In the standard system, a field group is created automatically for each infotype that you included in the InfoSet (a field group corresponds to an infotype).
In the standard system, each field group contains the infotype-specific fields. To ensure that working with the InfoSet is as easy as possible, you are advised to restrict your use of fields in each field group to those you really require. This means you should remove fields that are not required.
An infotype's fields must only be assigned to the pertinent field group. Make sure this assignment is correct. If the assignment is incorrect, the InfoSet could be rendered unusable.
When an InfoSet is created, the following fields are transferred automatically to the first field group:
§ Logical database PNPCE or PNP Personnel number
§ Logical database PAP Applicant number
§ Logical database PCH Object ID, plan version, and object type
6. Determine the fields that must be included in the field groups of your InfoSet. If you require further information, see Assigning Fields to a Field Group.
If you want, you can change the default sequence of field groups and fields as required using Drag&Drop.
7. To save the InfoSet, choose .
8. To generate the InfoSet, choose .
On the Change InfoSet (InfoSet name) screen, you can choose Edit ® Change infotype selection to add more infotypes to the InfoSet, or to remove infotypes from the InfoSet. Remember to regenerate the InfoSet afterwards.
This screen also enables you to update InfoSets if, for example, the system contains new additional fields for specific key values. To do so, choose InfoSet ® Additional functions ® Update additional HR fields.
9. Go back to the initial screen for InfoSet maintenance.
10. Choose User group assignment.
11. Select a user group, and save your entry.
sample code
START-OF-SELECTION.
GET pernr.
rp_provide_from_frst p0000 space pn-begda pn-endda.
if pnp-sw-found EQ '1'.
READ TABLE p0001 WITH KEY pernr = p0000-pernr.
if sy-subrc = 0.
write : p0001-plans. " earliest.
endif.
endif.
rp_provide_from_last p0014 space pn-begda pn-endda.
if pnp-sw-found EQ '1'.
READ TABLE p0014 WITH KEY pernr = p0000-pernr.
if sy-subrc = 0.
write : p0014-LGART. .
endif.
endif.

What is the difference between Campaign and Trade Promotion?

hi experts,
What is the difference between Campaign and Trade Promotion?
regards,
babu

Hi,
Campaign serve operative marketing planning. They describe actions that are carried out, for example mailing actions, product promotions, and telemarketing. Crieria such as target groups, products, documents, people responsible, and the budget are defined in the campaign for these activities.
Campaign are basically used for operative marketing planning and execution.
Trade Promotions are Marketing activity used by industries that sell into the retail channel or through brokers or wholesalers. A trade promotion takes place within a specific time period and aims to increase brand capital, brand awareness, and market share. It is also used to increase sales volume or to launch new products or product lines.
Trade promotions are structurally similar to other marketing objects, except that trade promotions are targeted at a key account.
A trade promotion has a header that provides overview information about the trade promotion, such as the intended key account, the product planning basis, the trade promotion objective, funds plan details, and trade promotion status.
Assignment blocks contain specific information pertaining to, for example, trade promotion dates, products, and causals.
For more information on Trade Promotion please go through the following link:
http://help.sap.com/saphelp_crm60/helpdata/en/eb/aa80ae2ea44778a987960a847fc6ce/frameset.htm
Main difference is campaign is an operative instrument to manage the interactions between the customers and the system

What is the difference between VK11 and VK31?

What is the difference between VK11 and VK31?
Thanks in Advance.
Nazim.

Hi,
They are the same really. VK31 came with a later SAP release and some
people say it is easier to use than VK11. In the end they are both used
for condition records.
Actually,the difference between VK11 and VK31 is that VK31,
VK32 ONLY work for standard SAP delivered Condition Types (ex.
PR00). If you create any customer specific Condition Type codes
(ex. ZXXX)you can only create / maintain Condition Records for
them using VK11, VK12.
In VK11 you can store condition record for more than one condition
type. This means you can have same condition record for different condition types.This feature is given to enhance the systems performance and not to create the duplication of the work for each condition type.
BOTH transactions allow mass entry and changes.
Regards,
Sophia Xavier

What is the difference between DSo and Infocube

Hello,
Kindly tell me what is the difference between DSO and Infocube?
And please tell me how to take the desicion that in whichi case we can use DSO and in which case we can use Infocube..

Hi ,
DataStore object serves as a storage location for consolidated and cleansed transaction data or master data on a document (atomic) level.
This data can be evaluated using a BEx query.
A DataStore object contains key fields (for example, document number/item) and data fields that can also contain character fields (for example, order status, customer) as key figures. The data from a DataStore object can be updated with a delta update into InfoCubes and/or other DataStore objects or master data tables (attributes or texts) in the same system or across different systems.
Unlike multidimensional data storage using InfoCubes, the data in DataStore objects is stored in transparent, flat database tables. The system does not create fact tables or dimension tables.
Use
The cumulative update of key figures is supported for DataStore objects, just as it is with InfoCubes, but with DataStore objects it is also possible to overwrite data fields. This is particularly important with document-related structures. If documents are changed in the source system, these changes include both numeric fields, such as the order quantity, and non-numeric fields, such as the ship-to party, status and delivery date. To reproduce these changes in the DataStore objects in the BI system, you have to overwrite the relevant fields in the DataStore objects and set them to the current value. Furthermore, you can use an overwrite and the existing change log to render a source delta enabled. This means that the delta that is further updated to the InfoCubes, for example, is calculated from two successive after-images.
An InfoCube describes (from an analysis point of view) a self-contained dataset, for example, for a business-orientated area. You analyze this dataset in a BEx query.
An InfoCube is a set of relational tables arranged according to the star schema: A large fact table in the middle surrounded by several dimension tables.
Use
InfoCubes are filled with data from one or more InfoSources or other InfoProviders. They are available as InfoProviders for analysis and reporting purposes.
Structure
The data is stored physically in an InfoCube. It consists of a number of InfoObjects that are filled with data from staging. It has the structure of a star schema.
The real-time characteristic can be assigned to an InfoCube. Real-time InfoCubes are used differently to standard InfoCubes.
ODS versus Info-cubes in a typical project scenario
ODS
why we use ods?
why is psa & ods nessasary
Hope this helps,
Regards,
CSM Reddy

What is the difference between action and workflow? How do I decide that I need an action in a transaction and not a workflow and vice versa?

Dear Experts,
I have few doubts and request your expert inputs to clarify my doubts.
What is the difference between action and workflow? How do I decide that I need an action in a transaction and not a workflow and vice versa?
Your earliest response is highly appreciated.
Thanks,
SMTP

Hi SMTP,
First of all, as I mentioned action is nothing but an executable work item which is designed in the workflow itself. In other words, Workflow is like your OOPS class. At run time, workflow instances are created just like objects of classes. Now, the steps designed in the workflow are called TASKS and the instances of tasks are called WORKITEMS. Now, the work items where any user action is required are called executable work items. ANd the work items where no user action is required (for example, sending an email in background) are called non-executable work items.
Whether to go with development of workflow or not depends upon your business scenario. If your requirement is only to send an email and you find any BAdi or exit where in you can write your logic then there is no need of creating a workflow. If there is a defined business process with defined users and time lines, then you can go with the development of workflows.
Rest, the below link will help you in understanding basic concepts of workflow :
Why use SAP Workflow? | Insight Consulting Partners
Regards,
Richa

What is the difference between jdk and jre

what is the difference between jdk and jre
plzz tell me in detail

It's an extremely important skill to learn how to search the web. Not only will it increase your research and development talents, it will also save you from asking questions that have already been answered numerous times before. By doing a little research before you ask a question, you'll show that you're willing to work and learn without needing to have your hand held the entire time; a quality that is seemingly rare but much appreciated by the volunteers who are willing to help you.
If you've done the research, found nothing useful, and decide to post your question, it's a great idea to tell us that you've already searched (and what methodologies you used to do your research). That way, we don't refer you back to something you've already seen.
To get you started, here is an excellent resource: The Java� Glossary

What is the difference between ABAP and BADI

What is the difference between ABAP and BADI

Hi
BAPI is different from BADIs and User exits in ABAP
BAPI : BAPI basically works like a function module. the major difference being that it can work like a RFC. That means it can work from system to system. Mostly the name of a BAPI can be seen in se37 by just giving BAPI_* F4 and you will see a lot of BAPIS.
BADI : BADI is a new concept and are also known as Business Addins. SE18 and SE19 are the two transactions which are used to make a BADI. Mostly BADIS are not made but selected from what is given in SAP. These are similar to user-exits but are method based. One can say it is an extension to the user exits. If one has an issue in which one has to change so existing things in SAP then BADI can be used. First one has to define it and then find out a suitable implementation for the issue concerned
User-exits : there are many types of user exits like Function exits , Menu Exits Screen exits etc. These are used when there is an issue of changing SAP given screen or menu or report.. Main transactions which are used in these cases is CMOD and SMOD. One can find out the user exit concerned and change it accordingly as per ones requirement
to be more specific in answering in singel phrase
1.user-exit and badi are related.
2. But BAPI is something entirely different.
3. user-exit and badi.
BADI is nothing but user-exit,
BUT CLASS/OO based. thats all.
4. BAPI is nothing but a FUNCTION MODULE only,but its RFC Enabled.
Santosh

What is the difference between start() and run()

Hi:
what is the difference between start() and the run()???
in my app, i have
Console.debug( "starting thread to listen for clients" );
_server = new Server( this );
_server.start();
_server extends Thread..
why everytime i use server.start(); my app will terminate on it is own, even though in my servr.run() method, i have a while loop
and if i call _server.run() explicitly in my code, that while loop will be in execution
can someone let me know??
thnx

what is the difference between start() and the
run()???start() is a method on Thread that tells it to start.
run() is a method in the object that the thread executes.
why everytime i use _server.start(); my app will
terminate on it is own, Err.... I'm not convinced this is true. It'll throw an IllegalThreadStateException, if you try to restart an existing thread.
If that's what you're saying.
even though in my _servr.run()
method, i have a while loopI don't see the connection. Are you saying that the while loop never terminates, and you don't see why the thread is terminating?
and if i call _server.run() explicitly in my code,
that while loop will be in executionIf you call server.run() explicitly, then run() will be executed in the same thread that you called it in.

What is the difference between Structure and Work area

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