Hi Puneet,
Below the Buffer table details.
1. Nametab (NTAB) :
I . Table definition- TTAB buffer, containing the table definitions, which are held on table DDNTT
II . Field definition- FTAB buffer, containing the field descriptions corresponding to table DDNTF
III. Short NTAB- IREC buffer, containing the initial record layout which is initialized depending on the field type
IV . Initial records - SNTAB buffer, containing a brief summary of the TTAB and FTAB buffers
2. Program buffer
I .Contain the generated and executable versions of the ABAP programs. This buffer is also known as the PXA buffer or ABAP buffer. This buffer uses the tables D010L (ABAP loads), D010T (texts), and D010Y (symbol table) for storing its contents.
Note :: Tables D010L, D010T, D010Y, DDNTT, and DDNTF, as well as some other repository related tables, are only found on the physical database and do not have corresponding ABAP dictionary definitions.
3. GUI buffers :
These types of buffers contain the R/3 graphical elements such as screens, menus, pushbuttons, icons, and so forth. There are two GUI buffers: I .screen buffer its stores dynopro load & II .CUA buffer Its stores such as menus, icons, and push buttons.
4. Calendar Buffer:
The R/3 calendar buffer contains all the defined factory and holiday calendars. These calendars are kept in the tables TFACS and THOCS.
5. SAP roll and paging buffers:
These buffers contain part of the roll and paging areas for the SAP instances. There are additional roll and paging areas located on the roll and page files on disk
Regards,
Murugaraj
Bluesky
