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Answer by Rick James for Optimizing this MySQL query with a subquery inside
Your latitude and longitude worse than useless as VARCHAR(255). For homes, this should be good: latitude DECIMAL(6,4), longitude DECIMAL(7,4) What kind of id needs to be VARCHAR(255)? Are you expecting...
View ArticleAnswer by ArtCHNK for Optimizing this MySQL query with a subquery inside
You might move price condition to the subquery. WHERE r.price >= 10 , if you consider only records with price >= 10 (before calculating average) HAVING avg(r.price) >= 10 , if you consider the...
View ArticleOptimizing this MySQL query with a subquery inside
For given longitude, latitude and radius I should select the averagePrice, numberOfListings, ... from a database with 500'000 data records. (id) 1 (select_type) SIMPLE (table) database (partitions)...
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