What is 'update type' in SAP BC-DWB-DIC - ABAP Dictionary?

update type - Overview

• Component: BC-DWB-DIC

• Component Name: ABAP Dictionary

• Description: Attribute of a matchcode ID. The update type determines how the matchcode is constructed view or pool table and how it is updated when data records in the basis tables are changed. One matchcode object can have different matchcode IDs with different update types.

update type - Details

• 
  Key Concepts: 
  Update type is a feature of the ABAP Dictionary in SAP that allows users to control how data is updated in the database. It defines the type of update operation that is performed when a user changes data in the database. The available update types are Insert, Update, Delete, and Replace. 
  
  How to use it: 
  To use the update type feature, users must first define the update type for each table in the ABAP Dictionary. This can be done by selecting the appropriate update type from the drop-down list in the table definition. Once this is done, users can then use the appropriate update type when making changes to data in the database. 
  
  Tips & Tricks: 
  When defining an update type for a table, it is important to consider how often data will be changed and what type of operation will be performed most often. For example, if data is only changed occasionally, then an Insert or Replace update type may be more appropriate than an Update or Delete. 
  
  Related Information: 
  For more information on using update types in SAP, please refer to the SAP Help documentation on ABAP Dictionary Update Types.