SQL Server Indexes | Rebuild Vs Reorganized Index | What is Index ? Cluster and non cluster indexes

SQL Server Indexes | Rebuild Vs Reorganized Index | What is Index ? Cluster and non cluster indexes

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SQL ARCHITECTURE:-

SQL SELECT STATEMENT:-

SQL DML STATEMENTS PROCESSING:-

SQL AAG

Linked server

SQL MIRRORING

SQL REPLICATION

SQL LOGSHIPING

ORACLE INSTANCE AND DATABASE:-

ORACLE INSTANCE STARTUP SEQUENCE

ORACLE INSTANCE SHUTDOWN SEQUENCE:-

SQL SERVER BACKUP/RESTORE:-

SQL, SQL DATABASE, SQL BACKUP, RESTORE, RECOVERY, USERS, LOGINS, AGENT, SQL JOBS, SQL ARCHITECTURE, SQL INSTANCE, SQL UPGRADE, SQL PATCHING, SQL PERFORMANCE, SQL MANITINEMANC, SQL SLOWNESS, SQL HARDWARE, SQL LIFE CYCLE, SQL DR, SQL MIRRORING, SQL REPLICATION SQL ALWAYS ON, SQL LOGSHIPING, SQL CLUSTERING, SQL INSTALLATION, SQL MIGRATION, SQL TO AZURE,CLOUDE,AZURE,AMAZON,GOOGLE, SQL TO AWS,AWS,SQL MIGRATION TO CLOUDE,AZURE FUNDAMENTAL, AZURE CERTIFICATION, AZURE ARCHITECTURE, SQL ON LINUX, SQL LINIX INSTALLATION, SQL PERFORMANCE QUERY, SQL BLOCKING,SQL DEADLOCK,SQL DATABASE CRASHED, SQL DATABASE DOWN,SQL SERVICES , SQL SERVICES STOP, SQL INSTALLATION FAILED, SQL UPGRADE FAILED,

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[aalissaa]

Good document i thought Paul Randal wrote this !

[EmersonArtwork]

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.