SQL Tip-6 | Use Covering Index to solve key lookup issues

Do you have Key Lookup problem? Key lookup taking most of the query time. then probably this is the best time to know more about covering indexes. Covering Index can solve all key lookup problems. A Non Clustered Index which contains all columns which are referred by a Query (in Select, Where or Join) is called Covering Index.

To know more read Using Covering Index.

Happy Learning 🙂

Thanks,
Sarabpreet Singh Anand
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Sarabpreet Singh Anand

SQLServer - MVP Sarabpreet is SQLServer MVP, Consultant, Speaker, Trainer, Blogger and Community Lead. You can find him speaking at a local UG Event or a SQL Webcast. He has 11+ years of Experience and worked with Industry Leaders. He has many SQL Certifications under his belt. His core competency lies in administration of SQL Server. Always ready to help, online \offline. His life’s mantra is “Knowledge Increases by sharing so, Pass it on”.

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