adminbd

Записи по mssql,oracle,windows и linux

Have a Question?

If you have any question you can ask below or enter what you are looking for!

All posts tagged планы

Как обновить статистику и очистить кеш планов.

declare @dt as datetime
set @dt= getdate()-01 -- дата, меньше которой будем обновлять


begin try

      select o.name as [objname],s.name as [shname],o.object_id,st.name as     [stname]

      into #t_stat

    from sys.stats st

        inner join  sys.objects o  on st.object_id=o.object_id

        inner join   sys.schemas  s on o.schema_id=s.schema_id

      where o.type='U'

      and STATS_DATE(st.object_id, st.stats_id)  <@dt    --фильтр по дате

      --and o.name='dbservers'                             --фильтра по обеъкту

end try

begin catch
      print (cast(error_number() as nchar(5))+'_'+ ERROR_MESSAGE())
      drop table #t_stat
end catch

--2 открываем курсом и обновляем статистику
declare cur1 cursor
             for select objname,shname,stname from #t_stat

open cur1
declare @stname sysname
declare @obj sysname
declare @sh sysname

fetch next from cur1 into @obj,@sh,@stname

WHILE 
Читать далее