Connection

SQL Server Connection Strings for ASP.NET Web Applications

SqlConnection.ConnectionString 屬性
OracleConnection.ConnectionString 屬性

連接字串語法

connection pooling

講解SQL 連線字串中關於Persist Security Info 參數的用途

[WinForm]Windows程式(非網頁)，如何從app.config檔讀取資料庫連結字串（ConnectionString）

How to Test a SQL Connection from any Windows Machine

[ASP.net] 利用SQL Server的活動監視器(圖形化介面)瞭解Connection Pool運作

how to see active SQL Server connections?

SELECT DB_NAME(dbid)AS DBName
     , COUNT(dbid)AS NumberOfConnections
     , loginame AS LoginName
     , hostname
FROM sys.sysprocesses
WHERE dbid > 0
GROUP BY dbid , loginame , hostname;