Which of the following guideline is considered during column design?

SQL Server - Quiz(MCQ)

An xml data type can only be a key column only in an XML index

Examine column which have composite primary keys

Keep the length of the index key short for non clustered indexes

None of the above

Correct Answer : An xml data type can only be a key column only in an XML index

Explanation : QL Server 2012 SP1 introduces a new type of XML index known as a Selective XML Index. This new index can improve querying performance over data stored as XML in SQL Server, allow for much faster indexing of large XML data workloads.

Recently Updated in SQL Server Questions

Which of the following system database occupies more space and memory?

Msdb

Model

Master

Tempdb

Correct Answer : Master

Explanation : The master database records all of the system level information for a SQL Server system.

Which database is used as template for all databases?

Master

Tempdb

Northwind

Model

Correct Answer : Model

Explanation : When a CREATE DATABASE statement is issued, the first part of the database is created by copying in the contents of the model database.

Which of the following database is used by SQL Server Agent?

Pubs

Msdb

Model

Tempdb

Correct Answer : Msdb

Explanation : The msdb database is used by SQL Server Agent for scheduling alerts and jobs, and recording operators.

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