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19c

Use the features available!

Advance warning: This post is a just another normal Friday morning rant. If you’re not interested in my pontificating, move along…nothing else to see here Smile

Sometimes you can’t make use of a facility that you normally would, and you have to substitute in something else. For example, if I would normally take the train to the basketball game, but today it’s not running due to track maintenance, then I’ll take the bus. I have no problem with that, because there’s a reason that I can’t take the train that day.

What does get my goat is on a day when the train is running, you come to me and say:

LISTAGG hits prime time

It’s a simple requirement. We want to transform this:


SQL> select deptno, ename
  2  from   emp
  3  order by 1,2;

    DEPTNO ENAME
---------- ----------
        10 CLARK
        10 KING
        10 MILLER
        20 ADAMS
        20 FORD
        20 JONES
        20 SCOTT
        20 SMITH
        30 ALLEN
        30 BLAKE
        30 JAMES
        30 MARTIN
        30 TURNER
        30 WARD

into this: