Message in Chinese (Traditional) (中文（繁體）)
如果應用程式的 App_Data 目錄已經存在，Web 伺服器帳戶只需有此應用程式 App_Data 目錄的讀取和寫入權限。這是必要的，因為 Web 伺服器帳戶會嘗試確認在應用程式的 App_Data 目錄內是否已經有 SQL Server Express 資料庫。撤銷 Web 伺服器帳戶對 App_Data 目錄的讀取權，會讓提供者無法正確判斷 SQL Server Express 資料庫是否存在。如此會在提供者嘗試建立重複的現有資料庫時造成錯誤。由於建立新的資料庫時會使用 Web 伺服器帳戶認證，因此需要寫入權。
Unlocalized message
If the application's App_Data directory already exists, the web server account only requires read and write access to the application's App_Data directory. This is necessary because the web server account will attempt to verify that the Sql Server Express database already exists within the application's App_Data directory. Revoking read access on the App_Data directory from the web server account will prevent the provider from correctly determining if the Sql Server Express database already exists. This will cause an error when the provider attempts to create a duplicate of an already existing database. Write access is required because the web server account's credentials are used when creating the new database.
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