What is hash key in SAP BC-ABA - ABAP Runtime Environment?

SAP Term: hash key

• Component: BC-ABA

• Component Name: ABAP Runtime Environment

• Description: A unique table key of an internal table, in which the assignment to the table rows is managed using a hash algorithm. A hash key is the primary table key of a hashed table and can be assigned to every type of internal table as a secondary table key. When an internal table is accessed using a hash key, the response time is constant, regardless of the number of table entries.

Smart SAP Assistant

• Key Concepts: 
  A hash key is a unique identifier used in the ABAP Runtime Environment of SAP. It is used to identify and store data in a database table. The hash key is generated by the system and is composed of a combination of fields from the database table. 
  
  How to use it: 
  The hash key is used to quickly access data from the database table. It is used to identify records in the database table and can be used to quickly retrieve data from the table. The hash key can also be used to compare two records in the database table. 
  
  Tips & Tricks: 
  When using the hash key, it is important to ensure that all fields used in the hash key are unique. This will ensure that the hash key can be used to accurately identify records in the database table. Additionally, it is important to ensure that all fields used in the hash key are consistent across all records in the database table. 
  
  Related Information: 
  The hash key is an important concept when working with SAP's ABAP Runtime Environment. It is also related to other concepts such as indexing and primary keys. Understanding how these concepts work together can help you better understand how SAP works and how to use it effectively.