The TNS listener must be started to initiate the new settings, as follows:. During the testing part , I have tried to unmount and mount couple of user database and faced couple of issues 1 I tried to unmount and mount on same server , But i moved few database file to different location and while mounting i have used the parameter "using" to point that new location of database file. Responsibilities include data modeling, physical database design, application design and implementation, system performance and tuning. Configuring Oracle Net Services for the gateway and the Oracle database server. C1, added the index on T1.
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