Comments on: SQL Server Interview: What is the difference between Unique Constraint and Unique Index? https://www.dbrnd.com/2017/07/sql-server-interview-what-is-the-difference-between-unique-constraint-and-unique-index/ BIGData | NoSQL | MSSQL | MySQL | PostgreSQL Wed, 12 Jul 2017 17:59:26 +0000 hourly 1 https://wordpress.org/?v=7.0.4 By: Anvesh Patel https://www.dbrnd.com/2017/07/sql-server-interview-what-is-the-difference-between-unique-constraint-and-unique-index/#comment-5737 Wed, 12 Jul 2017 17:59:26 +0000 https://www.dbrnd.com/?p=5650#comment-5737 Thank you Suresh – For this correction. Yes – You are right, in both cases SQL Server adds a Non-Clustered Index on a column. I also modified this same in the article.

]]> By: Suresh https://www.dbrnd.com/2017/07/sql-server-interview-what-is-the-difference-between-unique-constraint-and-unique-index/#comment-5733 Wed, 12 Jul 2017 05:59:21 +0000 https://www.dbrnd.com/?p=5650#comment-5733 Hi Anvesh,

I have concern about difference between unique constraint and unique index.
When will create unique constraint ,The nonclustered index would be created automatically based on unique constraint’ column.

Please correct me if i did mistake.

Thanks
T.Suresh

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