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You can either specify the collation every time you query the table or you can apply the collation to the column(s) permanently by altering the table.
If you do choose to do the query method its beneficial to include the case insensitive search arguments as well. You will see that SQL will choose a more efficient exec plan if you include them. For example:
SELECT testColumn FROM testTable
WHERE testColumn COLLATE Latin1_General_CS_AS = 'eXaMpLe'
and testColumn = 'eXaMpLe'