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Explain about TNSPING
You can also use tnsping utility on command prompt to check Oracle Net connectivity. Follow these steps to check the connection to particular SID.Open Command prompt.Write tnsping < SID for the database connectivity you want to check >If you get the message “Used TNSNAMES adapter to resolve the alias” then tnsping utility is able to resolve the service name.If you get “TNS-03505: Failed to resolve...