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What is the simplest SQL Query to find the second largest value?
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Much better than my approach using ORDER_BY and LIMIT for the inner statement
– andig
Oct 8 '15 at 9:58
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How to select the last record of a table in SQL?
...he best we can do is something like
Sql Server
SELECT TOP 1 * FROM Table ORDER BY ID DESC
MySql
SELECT * FROM Table ORDER BY ID DESC LIMIT 1
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Overriding a Rails default_scope
... you end up putting this in a class method like: def self.random; unscoped.order('rand()'); end unscoped removes ALL sql before it, not just what is listed under default_scope. While technically a correct answer, be careful using unstopped
– Schneems
Dec 25 '11...
std::next_permutation Implementation Explanation
...nd the permutations as numbers. Viewing the problem in this way we want to order the permutations/numbers in "ascending" order.
When we order numbers we want to "increase them by the smallest amount". For example when counting we don't count 1, 2, 3, 10, ... because there are still 4, 5, ... in bet...
Laravel Eloquent: Ordering results of all()
I'm stuck on a simple task.
I just need to order results coming from this call
9 Answers
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What is the HTML tabindex attribute?
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tabindex is a global attribute responsible for two things:
it sets the order of "focusable" elements and
it makes elements "focusable".
In my mind the second thing is even more important than the first one. There are very few elements that are focusable by default (e.g. <a> and form cont...
Python list sort in descending order
How can I sort this list in descending order?
6 Answers
6
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Paging with Oracle
...T * FROM
(
SELECT a.*, rownum r__
FROM
(
SELECT * FROM ORDERS WHERE CustomerID LIKE 'A%'
ORDER BY OrderDate DESC, ShippingDate DESC
) a
WHERE rownum < ((pageNumber * pageSize) + 1 )
)
WHERE r__ >= (((pageNumber-1) * pageSize) + 1)
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Non-CRUD operations in a RESTful service
...tually creating a new resource. So:
POST /api/purchase
will place a new order. The details (user, car, etc.) should be referenced by id (or URI) inside the contents sent to this address.
It doesn't matter that ordering a car is not just a simple INSERT in the database. Actually, REST is not abou...
What is the difference between List (of T) and Collection(of T)?
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In C#, there are three concepts for representing a bag of objects. In order of increasing features, they are:
Enumerable - unordered, unmodifiable
Collection - can add/remove items
List - allows items to have an order (accessing and removing by index)
Enumerable has no order. You cannot add...