Here is my code: SELECT field1, field2, (SELECT * FROM table1 WHERE a = field2), (SELE开发者_运维知识库CT COUNT(*)
table: User (id INT, firstname VARCHAR) table: Blocklist (id INT, userid INT, blocked_userid INT) SELECT user.id theID, user.firstname
I\'ve been trying to see if there is any way I can improve on the performance of the following Predicate:
I开发者_如何学Python had this query: SELECT `name`, floor(max(score)), skill FROM (SELECT k.`name`, s.`name` as skill, *long complex formula* as score
Of course it isn\'t possible to write SELECT (some subselect) AS blah FROM t WHERE blah = \'const\' What is the best way to do this?
I have a fairly complex query in which I am working with with multiple nested layers of queries.One of the requirements of the query is that I access a field from a subquery\'s subquery in the main qu
I\'m working on a baseball related website.I have a table with a batting lineup for two baseball teams:
So I\'ve done a massive select on MySQL and got back a lot of data - which is ordered by index. For example:
I\'m using rails 2.3.10 and new to named_scope. I\'m dealing with a SQL which retrieves a list of last invitations of a particular event. I came up with a SQL with subquery and it looks like it can do
I\'m wondering if there\'s a way to speed up a mysql query which is ordered by multiple subqueries. On a music related site users can like different things like artists, songs, albums etc. These \"l
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