subquery

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Subquery in cakePHP to lookup in other table

I recently started experimenting with CakePHP. I used this query in \"normal\" PHP and need to convert it to a CakePHP find. However I can\'t seem to make it work![详细]

2023-03-23 08:28 分类：问答
MySQL - How to count number of rows from primary query, ignore subquery rows?

I use the following MySQL to return a list of posts and their corresponding comments. SELECT* FROMforum_qa[详细]

2023-03-23 02:12 分类：问答
Nested loops and SQL queries; need for speed

I\'m having trouble solving a problem with iterative SQL queries (which I need to do away with) and I\'m trying to work out an alternative.[详细]

2023-03-23 00:53 分类：问答
How to retrieve objects using criteria, detached criteria and subquery

For four days now I´ve been trying to perform a query in my database. Heres the problem: I have a Group of Users[详细]

2023-03-22 20:36 分类：问答
SQL Slow nested query

I have a table called Staff and a table called Supervisors. Staff has StaffID, FirstName, LastName, etc...[详细]

2023-03-22 17:21 分类：问答
How to select unique rows followed by row with highest value in MySQL?

I have a MySQL database table containing information about places. I\'m trying to fetch all unique categories followed by place with highest rating, but results returned by server does not seems to be[详细]

2023-03-22 07:05 分类：问答
Not contained in aggregate or having. .

Back to this query again.So I thought I was doing this correctly with a subquery. . . use Northwind Select * From ([详细]

2023-03-22 02:57 分类：问答
SQL NOT IN possibly performance issues

I am attempting to refactor several old pieces of code... I have refactored the current piece below and have highlighted the NOT IN statement causing performance issues. I am attempting to rewrite the[详细]

2023-03-22 02:49 分类：问答
NHibernate QueryOver with subquery or other ideas how this can work?

I have following queries: Model.RampActiveHour rah = null; var defaultWeekQuery = QueryOver.Of<Model.RampAdditionalDefaultWeek>()[详细]

2023-03-22 00:42 分类：问答
In MySQL, how can I do a DELETE based on the result from a table where I did an INNER JOIN with the same table?

OK, so I do suck at MySQL, but here is basically what I want to do: delete from course_plan_relationships[详细]

2023-03-22 00:22 分类：问答