I have a table with 60 attributes in it, attribute1..attribute60. The database engine in MySQL and the table engine is MyISAM. The query is as follows:
How can I reduce time for the following query? SELECT * FROM (`ci_session`) WHERE `session_id` = \'8011e978d8692846a22bc8f7f806af4d\'
I use MySQL (Percona ExtraDB 5.1 to be exact) as my database of choice. Overall, very impressed with performance. The applications that use it are quite large.
Explain SQL (in phpmyadmin) of a query that is taking more than 5 seconds is giving me the above. I read that we can study the Explain SQL to optimize a query. Can anyone tell if this Explain SQL te
If i understand the documentation correctly; the full hint should force a full table scan. In the below scenario it is not performing the same;
This question already has answers here: Closed 11 years ago. Possible Duplicate: SQL left join vs multiple tables on FROM line?
So I have this query written by someone else that I\'m trying to refactor, which pulls some features/materials for an item(shoes, generally).
I have two tables named as: table_product table_user_ownned_auction table_product specific_product_idastatus...
I previously asked the question and got answer to Best approach to write query but the problem is that if you have to save this result in a list then there duplication of records. For example
I have been building rails apps for a while now, but unfortunately for me, none of my apps have had a large amount of data or traffic.But now I have one that is gaining steam.So I am diving in head fi