Assume that you create an INSTEAD OF trigger that uses inserted or deleted tables in a contained database in Microsoft SQL Server 2012 or SQL Server 2014. Unexpectedly, you may find that the INSTEAD OF trigger uses a different collation than the collation that's used by the contained database.
For example, the contained database uses a case-insensitive collation and the INSTEAD OF trigger uses a case-sensitivity collation.
This issue occurs because the INSTEAD OF trigger does not use the DATABASE_DEFAULT collation for inserted and deleted tables in the contained database.
This issue was first fixed in the following cumulative update for SQL Server:
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Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
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