Alter Index Rebuild (Index maintenance method)

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Video is giving introduction about Alter index Rebuild index maintenance method , how and when to use this method to boost the speed of indexes.
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Hi there. I have had an Alter Index Rebuild running for 6 hours. The database is online. The status of the Alter Index process is “suspended” with a wait type of LCK_M_SCH_M and it appears there are 100 or so other processes being blocked by the SPID of the Alter Index Rebuild. Is there a safe way to abort the Rebuild or should I wait till it finishes? I cant tell if its even doing anything. BTW the database is 30-40GB.

Any advice/tips? I obviously know now I should have taken the db offline first.

EmersonArtwork
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He did not explain the fragmentation properly i think he doesn’t know properly

bhuvaneswarig
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