Covering Index vs Index with included Columns in sql server

Covering Index vs Index with included Columns in execution plan in SQL server
In this session you need will understand the below concepts:
1.) What is index in sql server ?
2.) Why do we need index in sql server?
3.) What is Covering Index in sql server?
4.) What is Index with Included Column in SQL SERVER ?
5.) Difference between Covering Index and Index with Included column in SQL ?
6.) Which one is best for performance -- Covering Index and Index with Included Column.
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[@swatishinde4054]

Thank you..it is very helpful to clear the concept for index with inculcate

[@tajudeen2]

Nice 👍

[@Chitranjankumar-dg2tl]

Outstanding explanation, Thanks for such useful videos.

[@LearnWithMRajput]

Glad that it is useful

[@abrammakgalemele3491]

Best explanation ever. Thank you!

[@LearnWithMRajput]

Thanks

[@christopherhorton9198]

Thanks for your video. It was very clear for me.

[@LearnWithMRajput]

Glad that it is useful

[@marchyppolite9794]

Aha! Thanks. Very resourceful.

[@LearnWithMRajput]

Glad that you like the vedios

[@akashbhattagi3126]

Learnt something. Good One..!

[@LearnWithMRajput]

Glad to know that you find it useful...happy learning

[@michaelreynoso2289]

Very well explained

[@LearnWithMRajput]

Thank you

[@wondingshen534]

tq

[@videolosss]

Thank you but Im still not clear on how the nonclustered index writes the data when Col2 is present vs included.

[@raghuoruganti3017]

Dont refer the name as Nonclustered Table when table has only non cluster index. Please term it as HEAP.

[@TheSree9120]

If that col2 is in where condition, then can col2 in included would help?

[@raghuoruganti3017]

Even Index with included Columns also require some storage space as it is going to append the data of included columns at leaf levels. Please check and confirm

[@aryansena7290]

You are correct.

[@sainathkompelly4790]

Nice Video. Do you have any documents on performance tuning part? If so,please share

[@LearnWithMRajput]

Hi Sainath, Unfortunately I do not have any documents on performance tuning but soon I will post video on Performance Tuning in SQL Server. Hope that will help you.

[@sainathkompelly4790]

@@LearnWithMRajput Thanks for the reply.I have been facing some report slowness issue on replication server( On subscriber server end).When I have gone through the execution plan of the query Index scan (non clustered index) costing 83% of the query.I have checked the table index but no clusterd index has been created on the table.Should I suggest to create a cluster index to avoid the slowness issue.Awaiting response.

[@LearnWithMRajput]

Yes definitely..

[@sainathkompelly4790]

@@LearnWithMRajput Thanks for the suggestion