I need to retrieve rows from a table (i.e: ‘orders’) ordered by a column (lets say ‘user’) randomly. That is, I need all orders from the same user to remain together (one after the other) and users to be ordered randomly.
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I need to retrieve rows from a table (i.e: ‘orders’) ordered by a column (lets say ‘user’) randomly. That is, I need all orders from the same user to remain together (one after the other) and users to be ordered randomly.
I’m going to assume you have a second table called ‘users’ that has all the users in it. If not, you could still do this by adding another SELECT DISTINCT subquery on orders, but that would be much messier:
You’ll want to order by the random number AND the user id so if two user ids get the same random number their orders won’t be all jumbled together.