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Results tagged with count
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user 10826
COUNT : an aggregate SQL function that is used to count the number of rows.
7
votes
4
answers
6k
views
Speeding up COUNT(*) - WHERE clause slowing query
SELECT COUNT(*)
FROM messages
WHERE message_type_id = 1
AND (hidden = 0 OR message_id = @message_id)
Thanks in advance! …
- 263