大约有 6,000 项符合查询结果（耗时：0.0295秒） [XML]
How to store values from foreach loop into an array?
...f usernames that are in a particular group :) In this case I prefer a good sql query with a simple while loop ;)
<?php
$query = "SELECT `username` FROM group_membership AS gm LEFT JOIN users AS u ON gm.`idUser` = u.`idUser`";
$result = mysql_query($query);
while ($record = mysql_fetch_array($res...
How to see indexes for a database or table in MySQL?
... @Mark Byers Is there a way to see the index table itself? How does SQL generate the index file internally? How does it stores a pointer of a record from index table to Main Table ?
– yajant b
May 22 '19 at 14:57
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1114 (HY000): The table is full
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@Nadh In Ubuntu 16.04 it's part of /etc/mysql/ and is partly splitted into additional files in /etc/mysql/conf.d
– Martin C.
Jun 17 '17 at 22:01
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LEFT OUTER joins in Rails 3
...ting your LEFT OUTER JOIN.
From the documentation:
:joins - Either an SQL fragment for additional joins like "LEFT JOIN
comments ON comments.post_id = id" (rarely needed), named associations
in the same form used for the :include option, which will perform an
INNER JOIN on the associated ...
iPhone/iOS JSON parsing tutorial [closed]
...scratch (and the problems you'll want to avoid)
adapting it to read/write SQL Server data
getting an iOS 6 app to use the JSON servies.
using the JSON web services with JavaScript
http://mikesknowledgebase.com/pages/Services/WebServices-Page1.htm
All source code is provided, free of charge. Enj...
Visual Studio 2012 Express is suddenly “incompatible with this version of Windows”?
...
Thanks a lot. When I installed MS SQL Server Management studio 2014, my VS 2012 started giving this problem. I reinstalled VS 2012 but no luck. Installing the update form this answer fixed the issue.
– user3885927
Apr 1 ...
selecting unique values from a column
I have a MySQL table which contains the following type of information:
9 Answers
9
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Laravel Eloquent: Ordering results of all()
...ry is more complex, and you need prevent generate a ORDER BY in the finish SQL, you can do:
$result = Project::select('name')->get();
$result = $result->sortBy('name');
$result = $result->values()->all();
Now is php who order the result.
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Remove the last character from a string [duplicate]
...issue where I didn't want to remove the last characters but a word from an SQL string at the END of the string only like " AND ", so I used this with substr("sqlstatement", 0, -7); to remove the last AND in the sequence of WHERE AND clauses I was writing. Worked like a charm :).
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Set the value of a variable with the result of a command in a Windows batch file
...re's how I do it when I need a database query's results in my batch file:
sqlplus -S schema/schema@db @query.sql> __query.tmp
set /p result=<__query.tmp
del __query.tmp
The key is in line 2: "set /p" sets the value of "result" to the value of the first line (only) in "__query.tmp" via the "...