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SQL group by — can merge?

原文 2010-07-21 00:26:01 1 1 sql/ oracle/ group-by

In SQL we could add group by clause -- then do sum , count , or avg of a particular (numeric) column. Is there a way to "merge" / "concatenate" particular column -- for each group?

I need this done in one SQL statement

1 answers

我在下面的链接http://www.oracle-base.com/articles/misc/StringAggregationTechniques.php中找到了答案

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SQL group by — can merge?

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1 answers

solution1 1 2010-07-21 05:03:15

solution1
1 2010-07-21 05:03:15