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To answer this question we must first answer what this query . Hello community, At the beginning I want to say that I am not professional programmer - just an amateur who sometimes edit something that is . You want to return random rows from a table, say a collection of random users in your social network. This form allows you to arrange the items of a list in random order. The randomness comes from atmospheric noise, which for many purposes is better than the .

Quite often we get a complaint from a client that their is too slow. ORDER BY RAND () LIMIT to get rows at random. To return sequence values in a random order , you could use order by with some randomized value, e. Can you please specify what does not work for you? That or I have a HUGE bug in . I want get random value by order by rand () What did you expect to see?

I use the sql below to get some random values. Ordering by RAND () is not good performance wise on SQL level.

Phalcon has nothing to do about it. I am using the following query to display a background image for each page based on the page ID: public function get_background($page_id) . Return a random decimal number (no seed value - so it returns a completely The RAND () function returns a random number between (inclusive) and 1 . The cause of the issue below is that r is not materialized. Query: select i name, . This is very slow when you have many posts, since it effectively calls . Hello everybody, I need an advice for query which must Select rows from table grouped by position but for each position get each time random. You need to get your random row-set first and then number the rows.

Schema Setup: CREATE TABLE tbl (`ID` int) . I agree with Tim that a order by rand might need to be added to the DB layer, but before that time. You can get RAND publications in several ways. Many reports are available on our website in their entirety for free.

Just add all the columns you want to select, add JOINS, WHERE, etc. For small applications this might . Hi, Great site you have here. My question regards the use of the order by RAND ( ), particularly in MySQL.

Could someone help me about this?

There is often the need for websites . Hm, what kind of query is that? Hi there, In the quest to get a random row from a table, order by rand () has proven too inefficient and slow. The Database community on Reddit.

Reddit gives you the best of the internet in one place. Is there any way to implement random ordering with Propel? InvalidArgumentException: . Change your onclick to clickvideo(this) then . If you need this functionality you should either use a native-query or come up with another solution.