What is the difference between TYPE and LIKE exaclty.

Hi,
Type refers to data type like C or I or N etc...
example :
matnr type mara-matnr.
Like refers to data object.
can also use in programs like:
matnr like mara-matnr.
I am not getting the exact difference in both.

[Try here: lmgtfy|http://en.lmgtfy.com/?q=WhatisthedifferencebetweenTYPEandLIKEin+ABAP]

Similar Messages

Looking for new laptop what are the differences between pro and air? Besides size. Does the air preform like the pro?

Looking for new laptop what are the differences between pro and air? Besides size. Does the air preform like the pro?

The NEW macbook Pro and Air are EXTREMELY close in form factor
The newest macbook Pro is essentially a larger macbook Air with Retina display and options for speed in increasing prices up to an independent graphics and quad core processor.
both Air and new Pro now have PCIe SSD and permanent RAM.
The Air is the lightweight portable form factor, fast to boot and shut down, but with longer battery life than any of the macbook pro in 13"
Now the new macbook Pro and macbook Air are extremely close in form factor and nature.
both have 802ac wifi
both have permanent RAM, no superdrive
both are slim profiles and SSD
The only real differences now are (in the most expensive Pros) faster processors and quadcore processors and top end model autonomous graphics.
....and of course the retina display
both are now "very good for travel"
Other than features the form factor of the Air and Pro are VERY close now,....so now its merely a matter of features and price more than anything.
You need an external HD regardless of what you get for backups etc. Drop into an Apple store and handle both and make your choice based on features, such as Retina or non-retina, .... both at a distance now look like the same computer.
The Pro weighs more, ....but nowhere near what it used to just a month ago on the older macbook Pros
The NEW macbook Pro is a different creature entirely than the older macbook Pro, .....the new Pro is thicker than the Air, but id frankly call the NEWEST Pro a "macbook Air with Retina display" , or
Maybe a “macbook Air PRO with Retina display”
Instead of Air VS Pro now,.....its really a smooth transition from Air to pro without comparing say, 2 different creatures, now its like contrasting a horse from a race horse.
Either one in 8gig of RAM (preferably)... the 4gig upgrade costs very little, the I7 you will notice only 15% faster on heavy applications over the I5, and NOTHING on most APPS.....I5 has longer battery life.
As you see below, the non-Retina 13" AIR is 82% of the Macbook with Retina display in resolution
there is no magical number of pixels per inch that automatically equates to Retina quality.
http://www.cultofmac.com/168509/why-you-might-be-disappointed-by-the-resolution- of-those-new-retina-display-macs-feature/
A huge internal SSD isnt a game changer for anything, you need an external HD anyway
what you WONT READ on Apple.com etc. is that the larger SSD are MUCH FASTER due to SSD density
"The 512GB Samsung SSD found in our 13-inch model offers roughly a 400MB/s increase in write speeds over the 128GB SanDisk/Marvell SSD"
http://blog.macsales.com/19008-performance-testing-not-all-2013-macbook-air-ssds -are-the-same
Here is an excellent video comparison between the 11” I5 vs. I7 2013 Macbook Air.
http://www.youtube.com/watch?v=oDqJ-on03z4
http://www.anandtech.com/show/7113/2013-macbook-air-core-i5-4250u-vs-core-i7-465 0u/2
I5 vs. I7 performance 13” Macbook Air 2013
Boot performance
11.7 I5 ……11.4 I7
Cinebench
1.1 I5….1.41 I7
IMovie Import and Opt.
6.69 I5….5.35 I7
IMovie Export
10.33 I5…8.20 I7
Final Cut Pro X
21.47 I5…17.71 I7
Adobe Lightroom 3 Export
25.8 I5….31.8 I7
Adobe Photoshop CS5 Performance
27.3 I5…22.6 I7
Reviews of the newest Retina 2013 Macbook Pro
13”
Digital Trends (13") - http://www.digitaltrends.com/laptop-...h-2013-review/
LaptopMag (13") - http://www.laptopmag.com/reviews/lap...play-2013.aspx
Engadget (13") - http://www.engadget.com/2013/10/29/m...-13-inch-2013/
The Verge (13") - http://www.theverge.com/2013/10/30/5...ay-review-2013
CNet (13") - http://www.cnet.com/laptops/apple-ma...-35831098.html
15”
The Verge (15") - http://www.theverge.com/2013/10/24/5...w-15-inch-2013
LaptopMag (15") - http://www.laptopmag.com/reviews/lap...inch-2013.aspx
TechCrunch (15") - http://techcrunch.com/2013/10/25/lat...ok-pro-review/
CNet (15") - http://www.cnet.com/apple-macbook-pro-with-retina-2013/
PC Mag (15") - http://www.pcmag.com/article2/0,2817,2426359,00.asp
Arstechnica (15") - http://arstechnica.com/apple/2013/10...-pro-reviewed/
Slashgear (15") - http://www.slashgear.com/macbook-pro...2013-26303163/

What is the difference between 651 and 653 movement types

Hi
What is the difference between 651 and 653 movement types
Points will be rewarded
Regards
Suddu

Hi,
Whenever goods movment happens following things are going on in the background:
A material document is generated, which is used as proof of the movement and as a source of information for any other applications involved.
If the movement is relevant for Financial Accounting, one or more accounting documents are generated.
The stock quantities of the material are updated.
The stock values in the material master record are updated, as are the stock and consumption accounts.
651 - two steps - with a transfer posting using 453
653 - one steps - direct post to unrestricted used
*Using movement type 651, you post returns from a customer with a return delivery in Shipping to blocked stock returns.
Using 653 movement type, you post returns from the customer with returns delivery via Shipping directly to the valuated stock.
<b>Reward if helpful.</b>
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 netbeans and JDK ?

What is the difference between netbeans and JDK ?
This is because i got netbeans 5.5 ide and nothing else and still i ran some hello world programs successfully. . ..
i am confused - - does jdk come combined with netbeans ?

What is the difference between netbeans and JDK ?
This is because i got netbeans 5.5 ide and nothing
else and still i ran some hello world programs
successfully. . ..
i am confused - - does jdk come combined with
netbeans ?JDK is Java Development Kit. It includes all the Java APIs and Java tools like compiler etc so that you can develop code in Java language.
NetBeans is an IDE (Integrated Development Environment). It provides you tools for helping you write Java code, like it provides you a text editor where you can type your java code etc. You can use any other IDE like Eclipse JCreator etc for writing java code.
NetBeans should come packaged with a JDK. NetBeans requires JDK to function but JDK does not require NetBeans to function.
Personally, if you are so new to the language then I would recommend that you stay away from NetBeans or any other other heavy IDE for a while and code in something like WordPad or some of the other editors recommended in this thread. This will help you learn the language better. You can latter decide on an IDE when you are comfortable with the language.

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 #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 exists and in

hi all
if i have these queries
1- select ename from emp where ename in ( select ename from emp where empno=10)
and
2- select ename from emp where exists ( select ename from emp where empno=10)
what is the difference between exists and in is that only when i use in i have to bring the field name or what.... i mean in a complex SQL queries is it will give the same answer
Thanks

You get two entirely different result sets that may be the same. Haah! What do I mean by that.
SQL> select table_name from user_tables;
TABLE_NAME
BAR
FOO
2 rows selected.
SQL> select table_name from user_tables where table_name in (select table_name from user_tables where table_name = 'FOO');
TABLE_NAME
FOO
1 row selected.
SQL> select table_name from user_tables where exists(select table_name from user_tables where table_name = 'FOO');
TABLE_NAME
BAR
FOO
2 rows selected.So, why is this? the WHERE EXISTS means 'if the next is true', much like where 1=1 being always true and 1=2 being always false. In this case, where exists could be TRUE or FALSE, depending on the subquery.
WHERE EXISTS can be useful for something like testing if we have data, without actually having to return columns.
So, if you want to see if an employee exists you might say
SELECT 1 FROM DUAL WHERE EXISTS( select * from emp where empid = 10);
If there is a row in emp for empid=10, then you get back 1 from dual;
This is what I call an 'optimistic' lookup because the WHERE EXISTS ends as soon as there is a hit. It does not care how many - only that at least one exists. It is optimistic because it will continue processing the table lookup until either it hits or reaches the end of the table - for a non-indexed query.

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 45Wh and 54Wh battery?

Hi,
I was looking for a new battery for my MacBook Aluminum Unibody (Late 2008) and found that there are 45Wh and 54Wh battery. So what's the difference between 45Wh and 54Wh one at the same capacity? Will the 54Wh one offer a longer usage-time?
Thanks,
Nathan

aznjia wrote:
I wouldn't trust it. Even though the new battery is rated at 54 Watt hour but an apple battery may or may not run up to 1000 cycles. I looked the product reviews on amazon and I will go for what others said. However, Apple battery is designated to last about 700-1000 charge cycles but a battery over than 700 cycles. I am apple battery tech savvy. I would like to share my experience and provide sufficient answers to all the people in this forum.
I have no idea what you are trying to say. But I am NOT buying or recommending any 3rd party battery. Please read the post.

What's the difference between jsp and jsf?

who can tell me what's the difference between jsp and jsf?
I'm puzzled when I found some of the technology in jsp is so similar to the ones in jsp( javaserver page)

Hi,
Find the difference between JSP and JSF
1. A developer has more control with JSP, but (should) get easier development with JSF
2. Event handling is done differently in JSP (HTTP) and JSF (Java)
3. The UI is designed differently (or should be at least) with JSP (markup) and JSF (components).
4. The end product should also be defined differently - JSP page versus a JSF application.
Is this the only thing that is need to make a decision for either or? Probably not. There are other pieces that need to be taken in account when deciding which technology to use - tools support, enough components, type of application etc.... At this point there are not enough JSF components (although there are some interesting projects underway - Ajaxfaces, Myfaces, ADF Faces, and WebChart 3d) and enterprise tools support is still limited to a few tools vendor. Looking at our ADF Faces components they are currently available as early access (not production) and demands for these components are stacking up, literally, outside my office doorstep. Although I would love to make them production - now! - it is not a viable solution since we are still checking features and fixing critical bugs.
All this combined - not enough enterprise level components in production, lacking tools support etc... - leave customers in a vacuum where the decision is either to continue with JSP, since it is mature and has a wide developer base, or move forward with JSF not sure if the support, or the developers will be there. This is particularly sensitive to customers that need to get started now and be production by summer.
If you are in this vacuum here are some key points promoting JSF:
1. Fundamental unit is the Component
2. Built in event and state management
3. Component sets can be provided by any vendor
4. Closer to ASP.Net or Swing development
5. Choice of UI technology
6. Scale up (rich clients)
7. Scale down (mobile devices)
8. Built into J2EE containers in J2EE 5.0 (tentative)

What 's the difference between quote ' and double quote "?

what's the difference between quote' and double quote "?
when we use each one?
Exemple of use of each case?

'c' is a char, ie. a primitive type representing a single character
"c" is an instance of the String class length 1.

Hi guru's what is the difference between table and temlate in smartforms

hi guru's what is the difference between table and temlate in smartforms

Hi Vasu,
Template is used for proper allignment of data which table is used for displaying multiple data.
We can say Template is for static data and Table is for dynamic data.
Suppose we have a requirement in which we have to allign the customer address in such a way as shown below:-
Name- Vasu Company- WIPRO Location- Chennai
Desig- S/W Native - Mumbai
Then for proper allighnment we can create a template and split that into 3 columns and 2 rows and create text elements for each cell display a proper allighned data at the output.
When we include a template inside a loop it gives the same property as a table.
When we have mutiple data which is to be extended to the next page like when we display all employee details in a company we use table.
Table has 3 sections , HEADER, ITEM ,FOOTER
The header secntion will be executed once and it will loop at the item level. at the end footer will be executed.
Hope this gives u some idea..
<b>Please reward if useful</b>
Regards,
sunil kairam.

What is the difference between ALE and EDI

Hi,
Can any one please explain what is the difference between ALE and EDI ?
Thanks in advance.
Ramana

Hi Ramana
ALE: used to trnasfer IDOC with in the R3distributed system.
EDI: used to transfer IDOC from R3system to nonsap system
IDOCS:
IDOCS are intermediary documents which are like CARRIERS of the data
IDOCs are safe to transfer data, but less volume of data. User is not allowed to access (modify) the data like PSA. IDOCs have 3 parts.
1. Control Record - SOURCE & TARGET details,
EDI
EDI concept in SD: the EDI concept is intended to realize the sales and distribution process completely automatically with the help of electronical documents. These documents are sent from one customer to another, are processed mostly on the background and give a possibility to realize the sales process extremely efficiently.
While IDocs have to be understood as a data exchange protocol, EDI and ALE
are typical use cases for IDocs. R/3 uses IDocs for both EDI and ALE to
deliver data to the receiving system.
check these links also
EDI document
http://expertanswercenter.techtarget.com/eac/knowledgebaseAnswer/0,295199,sid63_gci983331,00.html
http://searchsap.techtarget.com/loginMembersOnly/1,289498,sid21_gci879631,00.html?NextURL=http%3A//searchsap.techtarget.com/ateQuestionNResponse/0%2C289625%2Csid21_gci879631%2C00.html
http://sapabap.iespana.es/sapabap/sap/faq/ale_idocs_bapi.htm
Reward all helpfull answers
Regards
Pavan

Could any one tell me what is the difference between swfloader and module loader?

Hi All,
                      Could any one tell me what is the difference between SWFLoader and Module Loader in Flex3 in detail?

Hi,
ModuleLoader is a kind of strange API that is really just intended to look like SwfLoader for modules that contain a single visual component, and hides most of the module loading infrastructure, which is all about class factories.
What I mean by "only loaded once" is that if you have several places in the code that call the ModuleManager.getModule("url").load() call, it will only ever get loaded over the wire and interpreted once, subsequent "loads" will just re-dispatch pseudo-load events to the new client. In other words, the class factory is a singleton for a given url. Unloading is a totally different story. As you note, not everything is truly unloadable, because there may be lots of references to stuff in
the module that will keep it alive and un-GC'ed.
I suggest playing with the low-level API so that you understand the backing implementation, and this should help you understand the limits of ModuleLoader.
The main difference between modules and applications is that modules have lower overhead, and they only ever get loaded once, no matter how many times you load them. If you're using the ModuleLoader API, keep in mind that you're losing about half the functionality of the module system. I will assume that you are, because otherwise it would be obvious where to expose methods. You might want to play around with the lower level ModuleManager API just to get a hang of what's going on - ModuleLoader is a pretty thin veneer over the lower API.
                Basically, what you want to do is to have your module implement an interface, say IModuleWhatever.
Also try and refer to this link which was previously discussed in this forum..
http://forums.adobe.com/message/74404
Thanks,
Bhasker

What is the difference between TYPE and LIKE exaclty.

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