Change datatype varchar to nvarchar in existing SQL Server 2005 database. Any issues?

Question

I need to change column datatypes in a database table from varchar to nvarchar in order to support Chinese characters (currently, the varchar

Answer 1

Check all the dependencies for this table as stored procs, functions, temp tables based on this table and variables used for inserts/updates etc may also need to be updated to NVARCHAR. Also check if the table is in replication! That could cause you a new set of problems!