Anyone ? Curtis ?

 -aW

    0n Sun, Jun 10, 2007 at 04:36:29PM +0800, Wilkinson, Alex wrote: 

    >Hi all,
    >
    >Certain behavior in NB6.0-MP4 is confusing me and I really want to know
    >conceptually if I have the following correct.
    >
    >What I thought was meant to happen:
    >
    >  * Within the NB GUI I am at the point of connecting to the required DBs.
    >  * I am to login with an account that has SYSDBA privs
    >  * I am to provide a TNS alias name
    >
    >  Now, my issue is with respect to the TNS alias name. I was always under 
the
    >  impression that the TNS alias name is derived directly from where it is
    >  defined. In my case: $ORACLE_HOME/network/admin/listener.ora
    >
    >  e.g. #grep HOST $ORACLE_HOME/network/admin/listener.ora
    >       (ADDRESS = (PROTOCOL = TCP)(HOST = 
myoracleclient.dsto.defence.gov.au)(PORT = 1521))
    >
    >However, if I use myoracleclient.dsto.defence.gov.au as the TNS Alias in 
the NB
    >GUI, it just plain old does not work. And I will get an error stating:
    >
    >   "ERR - Unable to connect to mydb
    >    Error code 12514"
    >
    >However, if I use 1 out of the 4 $ORACLE_SID names it works!
    >
    >I am starting to suspect I should be getting the TNS Alias as such:
    >
    >     #grep SERVICE_NAME $ORACLE_HOME/network/admin/tnsnames.ora
    >
    >      (SERVICE_NAME = db1.dsto.defence.gov.au)
    >      (SERVICE_NAME = db2.dsto.defence.gov.au)
    >      (SERVICE_NAME = db3.dsto.defence.gov.au)
    >      (SERVICE_NAME = db4.dsto.defence.gov.au)
    >
    >So in the end I have it working, but I really want to know conceptually 
where I
    >am meant to derive the TNS Alias from ? Anyone ?
    >
    >Cheers
    >
    > -aW

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