如何修改查询以使其表现良好

Question

下面是我要修改的查询，每天执行超过3万次，我们不知道如何修改，有人可以帮助我解决这个问题。

insert into #ALERT_AND_BUSINESSES_IDS
    select 
        AlertID,
        BusinessID = c.value('.','bigint')
    from Alerts
    cross apply
        XMLBusinessIDs.nodes('/root/id') as m(c)
    where Active = 1