Does anyone knows why some counters values are different in performance monitor and sys.dm_os_performance_counters . and how can I make them equal.
For example buffer cache hit ratio is almost 100 in performance monitor but in DMV is different . or Checkpoint pages/sec is 0 in performance monitor and in DMV is more than 80000.
Viewers will learn how to use the UPDATE and DELETE statements to change or remove existing data from their tables.
Make a table:
Update a specific column given a specific row using the UPDATE statement:
Remove a set of values using the DELETE s…