We walk in the dark places no others will enter
We stand on the bridge and no one may pass

ALTER INDEX [PK__EventStage__46AF6B36] ON [Event].[EventStage] REORGANIZE WITH ( LOB_COMPACTION = OFF )

USE tempdb;
GO
CREATE  TABLE #SystemGenerated
        (
                    -- No constraint name specified
        row_id      INTEGER IDENTITY NOT NULL PRIMARY KEY
        );
GO
CREATE  TABLE #Explicit
        (
        row_id      INTEGER IDENTITY NOT NULL,
        
        -- Explicitly named constraint
        CONSTRAINT  [PK #Explicit row_id]
                    PRIMARY KEY CLUSTERED (row_id ASC)
                    WITH (FILLFACTOR = 100)
                    ON [PRIMARY]
        );
GO
-- Show primary key details
SELECT  constraint_name = name,
        type_desc,
        is_system_named,
        table_schema = SCHEMA_NAME([schema_id]),
        table_name = OBJECT_NAME(parent_object_id)
FROM    sys.key_constraints
WHERE   parent_object_id = OBJECT_ID(N'tempdb..#SystemGenerated', N'U')
OR      parent_object_id = OBJECT_ID(N'tempdb..#Explicit', N'U');
GO
-- Clean up
DROP    TABLE
        #SystemGenerated,
        #Explicit;