Monday, April 17, 2006
How ERP existed ?
In 1960's MRP - Material Requirement Plan was existing which took care of amount of Raw Materials used in Production etc..
Later in 1970's,
MRP I - Manufacturing Resource Plan was invented to take care of things like Man, Machine, Material, Money etc.. This was one level above MRP.
In 1990's ERP was Introduced
ERP - Stands for Enterprise Resource Planning
Enterprise resource planning systems (ERPs) are management information systems (MISs) that integrate and automate many of the business practices associated with the operations or production and distribution aspects of a company engaged in manufacturing products or services.
Current ERP Vendors ?
Oracle - Any version after 11 includes ERP.
Peoplesoft - Peopletool (ABAP replacement)
MySAP - Company specific SAP Module.
BAAN International.
J D Edwards - These are 3 different people J, D and Edwards
How S-A-P Originated ?
First of all S-A-P is Pronounced seperately with the Letters S , A, P thats why I have added hyphen.
S-A-P AG a German Company was formed by 5 IBM Engineers in 1970's and over a period of 20 years they worked on different aspects of ERP and Came out with S-A-P in the year 1992 with their version SAP R/2.
1992 - SAP R/2
1994 - SAP R/3
Differences in SAP R/2 and R/3 ?
SAP stands for System Application and Production in Data Processing.
R Stands for Realtime.
R/2 Stands for Two tier Architect.
R/3 Three tier Architect.
In a SAP R/2 Architect ,
1 Presentation Server--------Presentation Server--------Presentation Server
__________________________________________________________________________
2
---------------------------
Application Server
---------------------------
Database Server
---------------------------
SAP R/2 works only on Mainframe Systems.
Database can be supported from other systems if database is as same as the Database server.
For Eg If Sybase is Installed in Database Server than only Sybase Database can interact with Database Server in SAP R/2.
In a SAP R/3 Architect ,
SAP R/3 is a 3 Tier Architect
___________________________
1 Presentation Server
___________________________
2 Application Server
___________________________
3 Database Server
___________________________
SAP R/3 is
Platform Independent.
Database Independent.
Frontend Independent ( Win 95,98,XP,NT)
Open System
Servers - Application and Database (Supports Windows 2000 Above and Linux).
Presentation - SAPGUI (Software) -- ( Supports Win 95,98,XP,NT)
DATA Migration Tools :
__________________________
1) ALE - Application Link Enabling
This Tool is Used to Migrate from Legacy Systems to SAP Systems.
If the Application Does not Support SAP then use this tool to convert.
2) IDOC - Intermediate Documents.
Flat file Conversion
3) BDC - Batch Data Conversion.
All Informations will be Restored.
4) RFC - Remote Function Call.
5) LSMV - Functional - 14 Steps.
LSMV is a Tool used by functional People for DATA Migration.
Most of this Tools are Either Used by Functional Guys or ABAP Guys.
In 1960's MRP - Material Requirement Plan was existing which took care of amount of Raw Materials used in Production etc..
Later in 1970's,
MRP I - Manufacturing Resource Plan was invented to take care of things like Man, Machine, Material, Money etc.. This was one level above MRP.
In 1990's ERP was Introduced
ERP - Stands for Enterprise Resource Planning
Enterprise resource planning systems (ERPs) are management information systems (MISs) that integrate and automate many of the business practices associated with the operations or production and distribution aspects of a company engaged in manufacturing products or services.
Current ERP Vendors ?
Oracle - Any version after 11 includes ERP.
Peoplesoft - Peopletool (ABAP replacement)
MySAP - Company specific SAP Module.
BAAN International.
J D Edwards - These are 3 different people J, D and Edwards
How S-A-P Originated ?
First of all S-A-P is Pronounced seperately with the Letters S , A, P thats why I have added hyphen.
S-A-P AG a German Company was formed by 5 IBM Engineers in 1970's and over a period of 20 years they worked on different aspects of ERP and Came out with S-A-P in the year 1992 with their version SAP R/2.
1992 - SAP R/2
1994 - SAP R/3
Differences in SAP R/2 and R/3 ?
SAP stands for System Application and Production in Data Processing.
R Stands for Realtime.
R/2 Stands for Two tier Architect.
R/3 Three tier Architect.
In a SAP R/2 Architect ,
1 Presentation Server--------Presentation Server--------Presentation Server
__________________________________________________________________________
2
---------------------------
Application Server
---------------------------
Database Server
---------------------------
SAP R/2 works only on Mainframe Systems.
Database can be supported from other systems if database is as same as the Database server.
For Eg If Sybase is Installed in Database Server than only Sybase Database can interact with Database Server in SAP R/2.
In a SAP R/3 Architect ,
SAP R/3 is a 3 Tier Architect
___________________________
1 Presentation Server
___________________________
2 Application Server
___________________________
3 Database Server
___________________________
SAP R/3 is
Platform Independent.
Database Independent.
Frontend Independent ( Win 95,98,XP,NT)
Open System
Servers - Application and Database (Supports Windows 2000 Above and Linux).
Presentation - SAPGUI (Software) -- ( Supports Win 95,98,XP,NT)
DATA Migration Tools :
__________________________
1) ALE - Application Link Enabling
This Tool is Used to Migrate from Legacy Systems to SAP Systems.
If the Application Does not Support SAP then use this tool to convert.
2) IDOC - Intermediate Documents.
Flat file Conversion
3) BDC - Batch Data Conversion.
All Informations will be Restored.
4) RFC - Remote Function Call.
5) LSMV - Functional - 14 Steps.
LSMV is a Tool used by functional People for DATA Migration.
Most of this Tools are Either Used by Functional Guys or ABAP Guys.
# posted by Sriram S @ 6:41 AM 
