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timmy / 🧠 SQL Server 監控懶人包:效能瓶頸、記憶體、連線數全面掌握

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Last active 8 months ago
從連線統計、記憶體使用、鎖定交易、效能查詢、索引使用率,到 I/O 熱點與快取命中率,10 大查詢一網打盡,DBA 快收好 📊
connection-tracking dba-tools index-usage memory-usage monitoring performance sql-diagnostics sql-server wait-stats
1 -- 查詢當前 SQL Server 的總連線數以及不同 IP 來源的連線數
2 SELECT
3 COUNT(*) AS TotalConnections, -- 計算總連線數
4 COUNT(DISTINCT client_net_address) AS UniqueIPs -- 計算不同來源 IP 的數量
5 FROM sys.dm_exec_connections;
6
7 -- 查詢所有當前連線的詳細資訊
8 SELECT
9 session_id, -- 連線的會話 ID
10 connect_time, -- 連線建立的時間
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