Distinct is really only meant to be used like count(distinct x). If you have dupes in your output then you didn’t understand the cardinality of the data. He claims that his method is faster that just grouping by the account in the orders table. If that’s the case then SQL server is terrible.
porkins@sh.itjust.works 1 year ago
Distinct is really only meant to be used like count(distinct x). If you have dupes in your output then you didn’t understand the cardinality of the data. He claims that his method is faster that just grouping by the account in the orders table. If that’s the case then SQL server is terrible.