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Efficiently convert rows to columns in sql server
I'm looking for an efficient way to convert rows to columns in SQL server, I heard that PIVOT is not very fast, and I need to deal with lot of records.
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The key must be an application-specific resource id
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The tag id must be unique so it wants it to be an id created in a resources file to guarantee uniqueness.
If the view will only contain one tag though you can just do
setTag(objContact.onlineid);
share
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Many-to-many relationship with the same model in rails?
How can I make a many-to-many relationship with the same model in rails?
6 Answers
6
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MySQL select 10 random rows from 600K rows fast
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A great post handling several cases, from simple, to gaps, to non-uniform with gaps.
http://jan.kneschke.de/projects/mysql/order-by-rand/
For most general case, here is how you do it:
SELECT name
FROM random AS r1 JOIN
(SELECT CEIL...
MySQL Workbench Dark Theme
I am new here on Stackoverflow and have full of excitement bringing up my first question. My first question is all about changing the color appearance of MySQL Workbench from the default of white background to its negative value of black.
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Correct way to pass multiple values for same parameter name in GET request
I'm looking into what is the correct way to pass multiple values for the same parameter name in a GET request.
4 Answers
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Join/Where with LINQ and Lambda
I'm having trouble with a query written in LINQ and Lambda. So far, I'm getting a lot of errors here's my code:
9 Answers
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How do I get jQuery to select elements with a . (period) in their ID?
Given the following classes and controller action method:
8 Answers
8
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How can I get the ID of an element using jQuery?
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The jQuery way:
$('#test').attr('id')
In your example:
$(document).ready(function() {
console.log($('#test').attr('id'));
});
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div id="test"><...
ORDER BY the IN value list
I have a simple SQL query in PostgreSQL 8.3 that grabs a bunch of comments. I provide a sorted list of values to the IN construct in the WHERE clause:
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