Question : I’m trying to optimize this really simple query, and it gives me grief for a day now 🙁 […]
Tag: order-by
SQL order by query results in any arbitrary (but reproducible) manner
Question : For testing purposes I need to get some data from a set of database tables in any arbitrary […]
Mysql: Query which orders by default and rank (pin/hold up entries?)
Question : I have a products table which contains all my products. Those products table gets filled permanently with new […]
How to optimize this select with join and order-by?
Question : We have two tables: CREATE TABLE `messages` ( `id` int(11) NOT NULL AUTO_INCREMENT, `created` int(10) unsigned DEFAULT ‘0’, […]
MySQL GROUP BY and ORDER BY giving inconsistent results
Question : I’m currently working with WordPress, and I’ve added a new meta value which is a number between 0 […]
Setting An Order For Specific Fields Using SELECT and ORDER BY
Question : So I’m writing a query to show the hire_date, job_id and last name where the last name= ‘Matos’ […]
Mysql Performance Issue with Group By/Order By
Question : I am using Mysql 5.7 I have table which having 7006500 rows. My query performing group by and […]
Adding order by to a query is slowing down the query even after Indexing
Question : While joining columns with huge data even after indexing the column order by is slowing down the query. […]
Optimize MySQL query and index for multiple column range query
Question : I have a table like this: CREATE TABLE IF NOT EXISTS `jobs` ( `job_id` varchar(36) NOT NULL, `job_status` […]
Sorting multiple columns in a full outer join, possibly containing NULLs
Question : I am trying to compare a plan against a history to see if there are steps omitted or […]