Hello,
Trying to keep the database and the application fast,
I´d like to clearify my mind about it.
1) Is a SELECT DISTINCT over 5,000 records a weight
query? (Supposing it has about 20 different option the the
DISTINCT key).
2) Is SELECT ORDER BY RAND() over 1,500 records
a weight query?
I need to put these two queries in the first page of our site.
So, I´ve been worried if it can slow down our site in the
pics.
Thanks,
Ronan
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