Table Buffering in SAP

SAP stores the content in tables (Every data except start and stop logs are stored in DATABASE, no prog/ no data is available in the file system)

There are four different types of table buffering options as specified by SAP.  SAP stores the content in tables and buffering defines how the data is accessed.
1. FULL Buffering
2. Generic Buffering
3. Single Record Buffering
4. No Buffering

Table Buffering Options

Full Buffering:

The tables which are frequently used and rarely modified are eligible for buffering. (Also which are small in size)
Eg: T000 have all the clients and required to create a client copy. (This is fully buffered)

Generic Buffering:

Tables which are relatively large, frequently used, rarely modified using a set of keys (Fields)
Eg: USR02; T001 Company info

Single Record Buffering:

The tables which are large in size, frequently used and rarely modified are buffered using a primary key.

No Buffering:

The tables which are large frequently used, and frequently modified are not eligible for buffering. for example: VBAK (SALES), EKKO (PURCHASE)

 

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