What is 'orphan node' in SAP BC-ABA - ABAP Runtime Environment?

orphan node - Overview

• Component: BC-ABA

• Component Name: ABAP Runtime Environment

• Description: Hierarchy node that does not have any parent nodes. In an SQL hierarchy, the nodes of the root node set are not orphan nodes.

orphan node - Details

• 
  Key Concepts: 
  An orphan node is a node in an ABAP program that is not connected to any other node. It is a type of error that can occur when a program is written incorrectly or when the program is modified without taking into account the existing structure of the program. 
  
  How to use it: 
  In order to avoid orphan nodes, it is important to ensure that all nodes in an ABAP program are connected to each other. This can be done by using the ABAP debugger to check for any orphan nodes and then making the necessary changes to the program. 
  
  Tips & Tricks: 
  When writing an ABAP program, it is important to keep track of all the nodes and their connections. This will help to ensure that there are no orphan nodes in the program. 
  
  Related Information: 
  Orphan nodes can also occur in other programming languages such as Java and C++. It is important to be aware of this issue when writing programs in these languages as well.