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?
Cet exercice fait partie du cours
Improving Query Performance in SQL Server
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