Memories, explain about them in SAP ABAP.

What are the types of Memories, explain about them?

Ans :- The Memory concept is used to access the data across the internal or External Sessions.

 There are 2 types of memories.

1. SAP Memory: - It is used to access the data from one session to another session through Parameter ID or Memory ID.

 The ABAP statements SET PARAMETER ID and GET PARAMETER ID are used to work with the SAP memory.

 SET PARAMETER ID is used to pass the field value from an application program into the specified SAP Memory ID or Parameter ID.

 GET PARAMETER ID is used to get the data from the specified memory ID or Parameter ID into filed of an application program.

 The Parameter ID’s are maintained at Data Element level under Further Characteristics.

2. ABAP memory: - It is used to access the data across internal sessions. The ABAP statements IMPORT & EXPORT are used to work with the ABAP Memory.

 The IMPORT statement is used to import the data from the specified memory ID into data variable.

 The EXPORT statement is used to export the data into the specified memory ID from the program.