How To Fix DT747 - This is not possible in row store

DT747 - Overview

• Message type: E = Error

• Message class: DT - Table activation (incl. indexes)

• Message number: 747

• Message text: This is not possible in row store

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DT747 - This is not possible in row store ?

  The SAP error message DT747 ("This is not possible in row store") typically occurs when you are trying to perform an operation that is not supported in a row store table. This error is often encountered in the context of SAP HANA, where there are two types of data storage: row store and column store. 
  
  Cause:
  
  Data Storage Type: The operation you are attempting to perform is not compatible with row store tables. Certain features, such as specific types of aggregations or calculations, may only be supported in column store tables.
  Data Model Design: The data model may be designed in a way that requires columnar storage for optimal performance or functionality, and the operation is being attempted on a row store table instead.
  
  
  Solution:
  
  Change the Table Type: If possible, consider changing the table from row store to column store. This can be done by creating a new column store table and migrating