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The
very first database operation you must do!
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Use
the DBI->connect()method
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For
example
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$dbh = DBI->connect( ‘dbi:Oracle:DEV’,
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‘user’, ‘pass’
);
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That
is, we minimally specify the Data Source
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Name
of the database, a username and password
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If
successful, this will return a valid database
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handle
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