I have several boxes in a Wordpress site which have to show a selection of posts which belong to certain categories AND ALSO do not belong to several others. Using only native wordpress tools the resu
simple question: Does adding something like this to a query hurt performance in mysql or does it quickly get optimized away?
I have the following query: SELECT location, step, COUNT(*), AVG(foo), YEAR(start), MONTH(start), DAY(start)
I\'m currently working on an online store and I\'m curious if there are any \"best practices\" that I should consider to attain subsecond (or close to) search operations.I\'m using Full Text Search in
I have a very large query that is supposed to return only the top 10 results: select top 10 ProductId from .....
I am having noticing some performance issues on my MySQL Server. The slow query log is showing four queries which are causing the issue, taking around 10 seconds to run each query. I\'m wondering if t
I\'m having some troubles understanding what indices to use on a Nested-Set model. The query is: SELECT `node`.`id`,(COUNT(parent.id) - 1) AS `depth`,`name` FROM `categories` AS `parent`
i have searched for a solution for this, but alas, nothind. Currently my table is pushing 5 800 000 rows, from 5000 different sources. E.G:
SELECT AI_636.PARENT_ID AS PART, MAX(b.AP_1036) AS ESTEND, MAX(a.AP_3222) AS ACTEND FROM AI_636 LEFT OUTER JOIN AI_665 a
Say we have a stored procedure that take @IsAllowed parameter which is boolean value and in case it passed True I开发者_运维问答 should select data from two tables A,B ( I\'ll use in my case Union ALL
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