HI I am ubable to connnect jdbc to Oracle database.i had gone to control panel >>Administrative tool>>>Data source,in that forDNS name i typed Oracle and in TNS i culdn't type properly and the Test Connection failed.So Kindly tell me what to type in TNS Service name .ONe more thing is that i am using Oracle9i ,so how to delete Oracle9i from the system and again to install the oracle9i.pleas tell me the doubts i have mentioned above.
Short and sweet way just go to ORACLE_HOME and delete all the files. Now when u run the installer to install again new oracle it will inform you that oracle inventory is already there, go to that path and delete manually oracle inventory file.
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