For see the best example of Business Intelligence Demonstration ? why BI and uses of BI.

http://www.youtube.com/watch?v=-j5J7lXav7Y

Short keys for SAP application.

Ctrl + F1 = Display / Change
Ctrl + F2 = Check
Ctrl + F3 = Active
[F8] = Execute

-- > Some Inbuilt Objects

INBUILT OBJECTS
TEXT FIELD	TYPE [ 0 = ZERO ]	SIZE
LANGUAGE SHORTTEXT MEDIUMTEXT LONGTEXT	0LANGU 0TXTSH 0TXTMD 0TXTLG	1 20 40 60

--> SAP TRANSACTIONAL CODES 

RSA1   --> DATA WAREHOUSING WORKBENCH MODELING

RSA1 OLD --> BW ADMINISTRATOR WORKBENCH

RSA11 --> INFO PROVIDER

RSA14 --> INFO OBJECTS

RSA15 --> DATA SOURCE

RSA12 --> INFO SOURCES

RSA13 --> SOURCE SYSTEM

RSA10 --> REALTIME SOURCE INTERFACE SYSTEM

RSA16 --> FAVORITES TREE

RSA17 --> GENERAL SEARCH

RSA18 --> OPEN HUB DESTINATION

what is Master Data and Transactional Data in SAP?

Master data :-  It refers to the information that is present in the system for its lifetime. It is where a  reference and other derivations that a transactional  data get its characteristics. Master data are the top level data cause systems requires it in order to run.

The Master Data is one time job.

examples : Vendor , customer, GL account creation is master data

Transactional data :- refers to the facts or encoded information during the transaction process. 

Transaction data is day to day job.

examples : Using Vendor, customer or GL account in document is called Transaction data.