I have a database (MySQL) with 100 registered customers and I'm creating a table of purchases of these clients, I know that the database creates an > I would like to put on this table only the first 20 customers who buy more products and would soon have the ranking number and the name but I can not.
Number sequence
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asked by anonymous 16.11.2014 / 19:35
1 answer
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Probably solving the database is the best path you've asked.
In the part that you do the query:
SELECT cliente FROM clientes ORDER BY totalcompras DESC LIMIT 20
If the purchases are in another base (which is probably the case), you can use grouping / JOIN functions or even subquery.
To number the lines in the output, you can use part of this solution:
16.11.2014 / 19:40