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You can't specify target table for update in FROM clause
...s already been updated by the query as it's in progress. Neither of these side-effects is necessarily desirable, so the safest bet is to force you to specify what will happen using an extra table.
– siride
Mar 9 '13 at 20:54
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How can I SELECT rows with MAX(Column value), DISTINCT by another column in SQL?
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@Young the problem with your query is that it may return id, player and resource of non-max row for a given home i.e. for home = 10 you may get : 3 | 10 | 04/03/2009 | john | 300 In other words it doesn't guarantees that all column of a row in resultset will belong to max(da...
Compare JavaScript Array of Objects to Get Min / Max
... This makes sense, I've been stuck with thinking about comparing data inside the array to each other instead of an external high/low number.
– firedrawndagger
Jan 14 '12 at 19:01
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How do you check if a certain index exists in a table?
...e this:
SELECT *
FROM sys.indexes
WHERE name='YourIndexName' AND object_id = OBJECT_ID('Schema.YourTableName')
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jquery get all form elements: input, textarea & select
...mmary = [];
$('form').each(function () {
summary.push('Form ' + this.id + ' has ' + $(this).find(':input').length + ' child(ren).');
summary.push('Form ' + this.id + ' has ' + this.elements.length + ' form element(s).');
});
$('#results').html(summary.join('<br />'));
<scrip...
How to order by with union in SQL?
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Just write
Select id,name,age
From Student
Where age < 15
Union
Select id,name,age
From Student
Where Name like "%a%"
Order by name
the order by is applied to the complete resultset
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Insert Update trigger how to determine if insert or update
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Obviously, DELETE triggers can not have "always rows in INSERTED" as I said above
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Jquery If radio button is checked
I have these 2 radio buttons at the moment so that the user can decide whether they need postage included in the price or not:
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How to use WHERE IN with Doctrine 2
...he array itself as a parameter:
$queryBuilder->andWhere('r.winner IN (:ids)')
->setParameter('ids', $ids);
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Is it possible to clone html element objects in JavaScript / JQuery?
...avaScript using the cloneNode() method:
// Create a clone of element with id ddl_1:
let clone = document.querySelector('#ddl_1').cloneNode( true );
// Change the id attribute of the newly created element:
clone.setAttribute( 'id', newId );
// Append the newly created element on element p
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