Tags » GROUP BY
I couldn’t resist. I have read this question by Hugo Prudente on Stack Overflow. And I knew there had to be a better way than what the JDK has to offer. 2,128 more words
There are some things in SQL that we simply take for granted without thinking about them properly.
One of these things are the
GROUP BY… 1,322 more words
During developing the database applications, we often need to perform computations on the grouped data in each group. For example, list the names of the students who have published papers in each of the past three years; make statistics of the employees who have taken part in all previous training; select the top three days when each client gets the highest scores in a golf game; and the like. 614 more words