Configuring Recovery Manager

  • The control file, target database catalog, and Recovery catalog is used to store the RMAN’s persistent settings.
  • The alert log file is used to find out the values of the changed parameters at the time of instance startup.
  • The NLS_LANG parameter must be set to specify the language, territory, and character set used in an application.
  • CONFIGURE RETENTION POLICY CLEAR is a command that will configure the retention policy to the default of REDUNDANCY 1.
  • CONFIGURE is an RMAN command that configures an RMAN environment.
  • The rman target/ command is used to maintain backup copies by connecting to the target database and returns the RMAN prompt to issue further backup commands.
  • The redo files are opened after executing the ALTER DATABASE OPEN command on a database when it is in MOUNT mode.

Understanding Globalization Support
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Creating User Services

  • The identity object of the IIdentity interface is used during the authentication process, when a user’s identity is verified. It contains information about a user who is being validated, such as username and password.
  • The principal object of the IPrincipal interface is used during the authentication process, when the application determines the data that can be accessed by a user and code to be executed. It contains information about a user’s identity, such as username and password, as well as information about a user’s role, such as manager or associate.
  • The correct sequence of the classes of the System.Windows.Forms namespace in descending order is as follows:
    1. Control
    2. ScrollableControl
    3. ContainerControl
    4. Forms
  • The MinimumSize property of the Form class is used to get or set the minimum size up to which a form can be resized.
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