Database Connectivity Error

Here i'm sending all of you the error which occurred frequently during database connection.

While creating a data block in Oracle Forms, the error which encountered frequently is "ORA-12560: TNS Protocol Adapter Error"

During lectures instructor had told us that if such error encountered then
copy the TNSNAMES.ORA file from ..oracleora92networkadminsample to forms9inetworkadminsample as it contains HOST-NAME & Port No. & i have also start the TNSListener service by running services.msc.
But it doesn't make any change.

I checked TNSNAMES.ORA file for HOST-NAME & Port no. but there is no host-name or port no. specified.

Now i am getting stucked into this problem & cant find any other solution to it.

Will you plase help me out.

Regards,
Nilesh

nilhan12
Profile Answers by nilhan12 Questions by nilhan12
May 29th, 2008
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Questions by nilhan12

Concepts and Architecture

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sahil4439
Profile Answers by sahil4439

Jun 15th, 2008

dude ur databse is not running...
right click on my compiuter>manage>services& applictaions(on right side)>services>oracle_databse_name(the datasbe that ur trying to start) --> restart the service...will workk..........
reply me backkk...thanx ...have a gud dayyy...........