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  • Guru: Scalar Use of LISTAGG

    August 24, 2020 Ted Holt

    The SQL LISTAGG function is as handy as a pocket. Only recently I used it to build a string of comma-separated values (CSV) to populate a drop-down box. It sure beats a cursor and a loop. I’ve noticed in my reading that LISTAGG can be used for both aggregate and scalar purposes under Oracle. Db2 doesn’t support the scalar use, but I found another way to do the same thing.

    To see what I’m talking about, check out example 7 in the article Oracle LISTAGG Function Usage, Tips & Examples, by Ben Brumm. I recommend studying the entire article; …

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