What is 'hard merge' in SAP HAN - SAP HANA?

hard merge - Overview

• Component: HAN

• Component Name: SAP HANA

• Description: SAP A A delta merge operation triggered manually by SQL statement.

hard merge - Details

• 
  Key Concepts: 
  Hard merge is a process in SAP HANA that combines two tables into one. It is used to combine data from two different sources into a single table. The process involves merging the columns of the two tables and then deleting any duplicate rows. This process is also known as a “join” or “union”. 
  
  How to use it: 
  To perform a hard merge in SAP HANA, you must first create two tables with the same columns. Then, you can use the MERGE statement to combine the two tables into one. The syntax for this statement is: MERGE INTO  USING  ON . The condition is used to specify which rows should be merged. 
  
  Tips & Tricks: 
  When performing a hard merge, it is important to make sure that the data types of the columns in both tables are compatible. If they are not, then the merge will fail. Additionally, it is important to make sure that all of the columns in both tables have unique names, as this will prevent any conflicts when merging. 
  
  Related Information: 
  For more information on hard merges in SAP HANA, please refer to the official SAP HANA documentation. Additionally, there are many tutorials available online that provide step-by-step instructions on how to perform a hard merge in SAP HANA.