1. |
Which of the following is not a valid way to establish an initial connection to an Oracle database?
Please select the best answer.
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A. |
With a TNS connect string (t:host:database ) |
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B. |
With a database link (select * from customer@ny; )
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C. |
With a server connect string (sqlplus /@fred )
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D. |
With a telnet session
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