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timmy / 📡 SQL Server 連線監控全攻略:從 IP 分布到效能瓶頸一次查

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Last active 8 months ago
想知道 SQL Server 有多少人連進來?哪台機器最吵?哪些查詢塞住了系統?這份查詢筆記讓你一目了然 🧠
connection-monitoring performance-tuning session-tracking sp-who2 sql-admin sql-server wait-stats
1 -- 🔍 檢查目前 SQL Server 總連線數(包含系統連線)
2 SELECT COUNT(*) AS TotalConnections
3 FROM sys.dm_exec_sessions;
4
5 -- 🔍 只統計使用者的連線數(不包含 SQL Server 內部系統連線)
6 SELECT COUNT(*) AS UserConnections
7 FROM sys.dm_exec_sessions
8 WHERE is_user_process = 1;
9
10 -- 🔍 查詢目前 "活躍" 的連線數
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