Which SQL tables make up cluster table BSET?

Question:
I'm doing some work with SAP R3 v4 (installed on Microsoft SQL Server 2000) and need to get at VAT details held in cluster table BSET. Which SQL tables is the cluster table BSET comprised of (or how do I determine same)? The specific fields I'm looking for are HWBAS, FWBAS, HWSTE and FWSTE.
masbeAsked:
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BACRConnect With a Mentor Commented:
Hi!

1. Access table within SAP

The following code read data from BSET table:

select (1) from bset into table (2) where bukrs = so_bukrs and BELNR = so_belnr.

(1)
* to access all fields of table
list of required fields (preferred)

(2)
internal table with fields according to (1) option.

Access this table with other WHERE conditions (ex. BUKRS and GJAHR) will result in sequential table read, e.g. this will take a lot of time.


2. Direct access to DB table.
1. SAP licenses are usually based on "named" users as defined in the user master table. Directly accessing the database would bypass user logging procedures and therefore violate your SAP license.
2. A direct connection to the database would bypass SAP authorizations and require maintenance of table access authorizations within the database itself.
3. There are thousands of SAP tables in the database and the SAP maintains the referential integrity of those tables through standard code executed by SAP transactions. Updating any tables directly, either through ABAP code or by external access to the SAP database is highly discouraged.
4. Directly accessing the SAP database could have a negative impact on the performance of the SAP production system.
5. Access cluster table adds complexity since data are stored only in binary format that should be correct interpreted.

Hope this helps
BACR
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BACRCommented:
Hi!

Question doesn't fully specify access environment.
1. Access to BSET within SAP
  You can use normal select statement to get required data.  
2. Access to BSET on DB level.
 I would strongly recommend no to do this. There are two ways to get required data:
  - RFC with interface according to your requirements;
  - ABAP report that generates file (Excel, TXT, etc) with required data.

Hope this helps.
BACR



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masbeAuthor Commented:
BACR wrote:

"1. Access to BSET within SAP
  You can use normal select statement to get required data."

How do I achieve this?

"2. Access to BSET on DB level.
 I would strongly recommend no to do this."

For what reasons? (If the reasons are valid, I'll accept the recommendation!)

Thanks!
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masbeAuthor Commented:
BCAR - thank you for a comprehensive answer.
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