I need some help optimizing a MySQL query or table 开发者_如何学JAVA When I run this query it return in .01s with 650 records:
If you have a query such as: select a.Name, a.Description from a inner join b on a.id1 = b.id1 inner join c on b.id2 = c.id2
EXPLAIN EXTENDED SELECT`board` . * FROM`board` WHERE`board`.`category_id` =\'5\' AND`board`.`board_id` =\'0\'
EXPLAIN EXTENDED SELECT`member`.`id` ,`开发者_开发技巧member`.`name` FROM`member` WHERE`member`.`last_active` >\'1289348406\'
EXPLAIN EXTENDED SELECT id, name FROM member INNER JOIN group_assoc ON ( member.id = group_assoc.member_id
I ha开发者_Python百科ve this query: SELECT ROUND(AVG(temp)*multT + conT,2) as temp, FLOOR(timestamp/$secondInterval) as meh
As the name suggests, a query with multiple or will be faster or a query with multiple query joined with union will be faster?I have joined only two tables to make it simple but there can be more tabl
What\'s the difference in a clause done the two following ways? SELECT * FROM table1 INNER JOIN table2 ON (
I\'m using MySQLTuner.pl to optimize my site.... though I\'m not entirely sure how to resolve some of these issues and am wondering if someone can help me out.
I have two collections of objects of different type.Lets call them type ALPHA and type BRAVO.Each of these types has a property that is the \"ID\" for the object.No ID is duplicated within the class,