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Change Value In Field Based On Order


I have a field that is an INT and can contain a value of 0 or greater. When the value is 0 it creates a unique situation and users of the site will sometimes change this to 0 on purpose because this value can have your item show up in the search results on the first page. Why, if a person orders the information ASC, it will show up first.

I have to allow this field to be 0, long story, but I want to "punish" them if this is so. Based on the type of search (ASC or DESC) as the user can pick. I want those items to always show up last.

Currently I am passing a variable that gets set via a form w/ that information, but I don't know how to check in the query how the variable is set. I was thinking CASE but I thought that only looks at a field in the db, not some variable that is being passed.

Either way, I hope this is making sense. Here is the query (pretty simple).

Code: ......




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| 112 | 1 | 2 | 1226972033 | NULL | 1 | 0 |
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| 129 | 2 | 1 | 0 | 1226972176 | 0 | 1 |
| 130 | 2 | 1 | 0 | 1226972396 | 0 | 1 |
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Date Based Calculations
I'm looking for a way to create a query that generates a record for every day of the last year and using that date information for each day generates a unique database query (sub query?)for each day of the year.
I could probably do this in php but I'd like to do it for performance reasons from mysql (or at least most of it).
Does any one know of any good online tutorial/s that may help me build this sort of project? Or have some basic scripts that may be a good starting point?

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Update Based On Another Table
Is it possible to do an update in MYSQL based on another table? I have version 3.23 and when I try to run this statement:


UPDATE ApplicationTbl
INNER JOIN AcademicTbl
ON ApplicationTbl.CampusID = AcademicTbl.CampusID
AND ApplicationTbl.Application_Period = AcademicTbl.Application_Period
SET ApplicationTbl.App_Status = 'Qualified'
WHERE AcademicTbl.Sem_OnCampus >= '1'
AND AcademicTbl.GPA >= '2.4'
AND AcademicTbl.Judicial_Sanction IS NULL

It keeps saying its wrong. Even though I know its not

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