Re: Changing database server location

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  • michael ngong

    Re: Changing database server location

    pramod@rtimes.c om (Pramod Ramachandran) wrote in message news:<6616e304. 0306240122.4dd3 ecd5@posting.go ogle.com>...
    Hi group,
    >
    I have been into database administration for quite some time, but have
    not tried changing the database server location.
    >
    I have two questions for you
    >
    1. I have a requirement that the db has to be moved to a new Win 2000
    server from an existing one. Can I do this without reconfiguring the
    clients. The clients runs a Java program which uses a connection
    string pointing to the db location. Is there a way to "route" the
    connection requests to the new location from the original location or
    is their any other mechanism ?
    >
    2. I have read that recovering from user using a clone database. Is
    this the only way of recovery from user errors ? What about TSPITR and
    what is the difference between these two types of recovery strategies
    ?
    >
    TIA
    >
    Pramod Ramachandran

    Permit me start with the second question.
    It would be easier to be more precise if it were pinned down to a
    specific situation.Anywa y .........
    User errors vary widely ,It may not be feasible to pinpoint all the
    different user errors.Dependin g on the rights a user has ,user errors
    may span from deleting a the contents of a table to deleting
    datafile(s).Sol ving user errors may range from typing rollback on
    the command line to recreating the database or........
    Oracle documentation may help .

    TSPITR (Oracle 8 and above) Enables recovery of one or more non system
    tablespaces to a point in time that is different than that of the
    database.
    If all the tables you want to recover are located in a single
    tablespace
    then a tablespace point in time recovery would be adequate.

    1)Backup and restore to the new server(if it is configured the same as
    the present one).
    Install a database in the new server with all the existing schemas Do
    a full database export/import
    Edit the connection string of the java client to point to your new
    server.

    reconfigure TNS files appropriately
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