As we blogged much on Books Online importance and recent changes to availablility of updated books online for SQL Server 2005 under BOL-Sep2007-MSDN-Technet the same update is available to download. Do not forget to update your local copies as it will save your time going onto MSDN or Technet whenever you need to refer for any topic. You can DownloadFromHere and for latest updates on what's new on the documentation refer: Download an updated version of Books Online for Microsoft SQL Server 2005....(
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Read the complete post at http://sqlserver-qa.net/blogs/tools/archive/2007/12/18/sql-server-2005-books-online-september-2007-available-for-download-update-your-local-copy.aspx