SQL Server Error Code – 35344 merge clause of alter partition statemen

In this blog post, you’ll learn more about the SQL Server Error Code 35344 and the error message description that is shown

SQL Server Error Code

35344

SQL Server Error Description for the Code :35344

MERGE clause of ALTER PARTITION statement failed because two nonempty partitions containing a columnstore index cannot be merged. Consider an ALTER TABLE SWITCH operation from one of the nonempty partitions on the source table to a temporary staging table and then re-attempt the ALTER PARTITION MERGE operation. Once completed, use ALTER TABLE SWITCH to move the staging table partition back to the original source table.