What is type pool in SAP BC-ABA - ABAP Runtime Environment?

SAP Term: type pool

• Component: BC-ABA

• Component Name: ABAP Runtime Environment

• Description: An ABAP program managed by the ABAP Dictionary that is introduced using the TYPE-POOL statement and that contains the definitions of globally visible data types, constants and macros. A type pool is loaded at the first use of its data types and constants. It does not support its own screens.

Smart SAP Assistant

• Key Concepts: 
  A type pool is a collection of predefined data types in the ABAP runtime environment. It is used to define global data types that can be used in multiple programs. The type pool is a convenient way to store and access data types that are used in multiple programs. 
  
  How to use it: 
  To use a type pool, you must first declare it in the program. This is done by using the TYPE-POOL statement. Once declared, you can use the data types defined in the type pool by referencing them with their name. 
  
  Tips & Tricks: 
  When declaring a type pool, you can specify an optional list of components that will be included in the type pool. This allows you to include only the components that are necessary for your program. 
  
  Related Information: 
  For more information on type pools, please refer to the SAP documentation on ABAP Runtime Environment (BC-ABA).