questions

    Hi,I have two question in the postsql when it ues in Lunix.
    When I use the Server.java ,it always return this error for me:
        java.sql.SQLException: Driver not found for URL:               jdbc:postgresql://localhost:5432/something
    How to reinstall JDBC driver ,and solve this problem?


    And I want to delete the old  postsql ,install a new one
    How to backup the postsql data

    Thanks
                                  Sing


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