摘要: Cache Notifications in SQL Server 2000 or SQL Server 7
ASP.NET uses a polling model for SQL Server 2000 and SQL Server 7. Older versions of SQL Server
and other databases aren’t supported (although third parties can implement their own solutions by
creating a custom dependency class).
With the polling model, ASP.NET keeps a connection open to the database and uses a dedicated
thread to check periodically if a table has been updated. The effect of tying up one connection
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ASP.NET uses a polling model for SQL Server 2000 and SQL Server 7. Older versions of SQL Server
and other databases aren’t supported (although third parties can implement their own solutions by
creating a custom dependency class).
With the polling model, ASP.NET keeps a connection open to the database and uses a dedicated
thread to check periodically if a table has been updated. The effect of tying up one connection
i阅读全文
posted @ 2008-04-08 22:58 陋室 阅读(139) 评论(0) 编辑