very tiny fix to code example
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@ -497,7 +497,7 @@ This function has different names on different databases, but HQL abstracts thes
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select listagg(title, ', ')
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select listagg(title, ', ')
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within group (order by isbn)
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within group (order by isbn)
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from Book
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from Book
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group by elements(authors)
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group by element(authors)
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----
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----
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This very useful function produces a string by concatenation of the aggregated values of its argument.
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This very useful function produces a string by concatenation of the aggregated values of its argument.
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