1. "SET STATISTICS TIME ON"/"SET STATISTICS TIME OFF "
用於統計SQL命令執行的時間,如:
2. "SET STATISTICS IO ON" / "SET STATISTICS IO OFF"
用於統計IO情況,如:
3. "SET STATISTICS PROFILE ON" / "SET STATISTICS PROFILE OFF"
用於分解一個SQL命令的詳細執行計劃,便於深入瞭解SQLServer底層的執行過程,提供優化方向