How to concat more than 2 columns in SQL query

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But, it is not working when I want to merge 2 columns from different tables . Eg - There was 2 columns ie Country and State . I need output as
Country Name - State Name for all the fields

wsbvezl
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Make videos sql questions for interview

koushik
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This does not appear to work in MS SQL Server. It won't allow double pipes.

conniedecinko