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At 7:11 min. into this video, at the screenshot below, the explanation is about having cluster, non-cluster index, pk, unique:<br />
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<a href="https://www.youtube.com/watch?v=ITcOiLSfVJQ" rel="ugc">https://www.youtube.com/watch?v=ITcOiLSfVJQ</a><br />
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Question: Could you please expand on this discussion and also explain why database safety issue raised here?<br />
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<a href="https://filedb.experts-exchange.com/incoming/2014/12_w52/889143/index1.png" target="_blank" title="index (306 KB)"><img alt="index" class="file-block lazyload" style="max-width: 582px;" data-src="https://filedb.experts-exchange.com/incoming/2014/12_w52/889143/index1.png" /></a>
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index1.png

At 7:11 min. into this video, at the screenshot below, the explanation is about having cluster, non-cluster index, pk, unique:

https://www.youtube.com/watch?v=ITcOiLSfVJQ

Question: Could you please expand on this discussion and also explain why database safety issue raised here?



Cluster, non-cluster index, pk, unique...

Microsoft SQL Server is a suite of relational database management system (RDBMS) products providing multi-user database access functionality.SQL Server is available in multiple versions, typically identified by release year, and versions are subdivided into editions to distinguish between product functionality. Component services include integration (SSIS), reporting (SSRS), analysis (SSAS), data quality, master data, T-SQL and performance tuning.

Microsoft SQL Server

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Microsoft SQL Server 2008

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