STATISTICS TIME results
In the previous exercise, the STATISTICS TIME
command was used on two different queries. The following table summarizes an analysis of the elapsed time statistics for each query.
Query | Details | Average elapsed time (ms) |
---|---|---|
1 | Filters the Teams table using IN and three sub-queries |
20 |
2 | Filters the Teams table using EXISTS |
3 |
What conclusion can you make from this summary?
Diese Übung ist Teil des Kurses
Improving Query Performance in SQL Server
Interaktive Übung
Setze die Theorie in einer unserer interaktiven Übungen in die Praxis um
