The Partition 2 of dbo.Summer is empty.
ALTER TABLE dbo.customer SWITCH PARTITION 2 TO dbo.Summer PARTITION 2
ALTER TABLE dbo.customer SWITCH PARTITION 2 TO dbo.Summer PARTITION 2
The Partition 1 of dbo.Customer is empty.
ALTER TABLE dbo.Summer SWITCH PARTITION 1 TO dbo.Customer PARTITION 1
To be successful, the following conditions must be met:
A full partition must be switched with an empty partition;
Both tables must be aligned (must use the same partition function and partition scheme);
Both tables must have exactly the same structure for tables as well as indexes;
The range of values in the partition being switched must not exist in the target table.