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Why dual for dual and 1521 as default ? [message #582757] Mon, 22 April 2013 07:45 Go to next message
Amine
Messages: 376
Registered: March 2010
Senior Member
Hi all,
Everything is in the question. I heard somewhere that there was few people that know why dual is called dual among them Ken Jacobs (Dr DBA). How about the default port 1521 ?

Thanks in advance,

Amine

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Re: Why dual for dual and 1521 as default ? [message #582765 is a reply to message #582757] Mon, 22 April 2013 08:28 Go to previous messageGo to next message
Michel Cadot
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Our wiki contains all answers Wink DUAL.

Regards
Michel

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Re: Why dual for dual and 1521 as default ? [message #582767 is a reply to message #582765] Mon, 22 April 2013 08:36 Go to previous messageGo to next message
Amine
Messages: 376
Registered: March 2010
Senior Member
Thanks Michel, how about the 1521 port number ?

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Re: Why dual for dual and 1521 as default ? [message #582778 is a reply to message #582767] Mon, 22 April 2013 09:17 Go to previous message
Michel Cadot
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Registered: March 2007
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Ports are allocated for different products and vendors. Oracle chose one (maybe the first one) available at this time.

Have a look at List of TCP and UDP port numbers.

On your server you can have a look at /etc/services.

Regards
Michel

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