How to approach this requirment

Question

Business  overview:
For every organisation account management will be the core functionality. The account management should include the following:
customer - company - vendor.
1. customer info
2. vendor info
3.organisation info
4.material info
5.purchase order info
6.sales order info
7.subsequent documents such as delivery doc,invoice doc n accounting doc info.
Reports:
1.purchase order line item wise report.
2.open purchase order.
3.sales order line item wise report.
4.open sales order report.
5.open invoice item wise.
Im new to ABAP, pl someone guide me how to approach this requirment. Which r the tables n fields i need to work with?
Thank you.

Answer 1

Hi Ashwini,
I am giving you some of the important details of tables as per your requirement.But there could be more tables than i am providing.
Just a list of tables that come in handy.
Sales orders
Name       Description                                 Uses
     LIKP       Shipped Lines header   
     LIPS       Shipped Lines detail  
     VBAK     Order header                             Every order (unless archiving)
     VBAP     Table fields                               Every line item (unless archiving)
     VBBE     Open sales order line items       Great file, but be careful.Contents don't reflect orders
                                                                   that  do not affect purchasing (go figure).
     VBEP      Schedule line item   
     VBFA      Document flow                         Let's you move from order to shipping document to invoice.
     VBUK      Order status   
     VBUP      Line item detail status   
     VBFK      Invoicing header   
     VBFP      Invoicing detail  
Material Management
Name        Description                                   Uses
    MARA      Inventory Master 
    MARC           Plant Data 
    MARD      Current Inventory 
    MAKT       Descriptions 
    MBEW      Material Valuation 
    T179         Product Hierarchy  
    MVKE       Sales data (materials) 
    MKPF      Material document                     Status code 'R' in VBFA
Purchasing
Name      Description                                       Uses
   EINA       Purchasing inforecord                 by MATNR/LIFNR contains things like vendor material
                                                                  number and access key for EINE 
   EINE       Purchasing inforecord detail        Contains minimum purchase, group, currency 
   EKPO     Purchase orders   
   EKET      Scheduled lines   
   EKES     Vendor confirmed lines
   IKPF       Header- Physical Inventory Document
   ISEG      Physical Inventory Document Items
   LFA1      Vendor Master (General section)
   LFB1      Vendor Master (Company Code)
   NRIV      Number range intervals
   RESB     Reservation/dependent requirements
   T161T     Texts for Purchasing Document Types
Forecasting
Name      Description                                          Uses
   MAPR  
   PROP  
   PROW  
Classification
Name             Description                                            Uses
   KSSK            Material number to class 
   KLAS             Class description 
   KSML             Characteristic name 
CABN/CABNT     Characteristic name description 
CAWN/CAWNT   Characteristic name 
   AUSP              Numeric values 
  CAUFV             Service order header 
   AFPO              Service order line                          Holds items that will create "reservations"
  RESB               SM Reservations                                 Materials needed for line
Customer Data
KNA1        Customer Master  
KNVV        Sales information   
KNVP        Partners (ship-to, etc)   
Since you are new to abap, its better you to know the system tables and other tables for configuring: 
System tables
Name       Description                   Uses
  DD02T      Table texts 
  DD03L      Table fields               Lists the fields in a table
  DD04T    Data element texts 
  USR02    Valid user names 
Config tables (normally begin with "T")
Name       Description                              Uses
  T001            Client table 
  T002            Languages 
  T005           Region (Country) 
  TCURR        Currency and exchange rates 
  TVAK         Order type 
  TVSB          Shipping condition  
  TVAGT        Rejected reason for order line  
Other tables
Name        Description                              Uses
  STXH           Text header 
  STXL            Text detail
Reward points if useful.
Thnakyou,
Regards.