Professional Hypertext Preprocessor, a widely used platform for dynamic web applications.

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4
votes
1answer
2k views

MySQL 'LOAD DATA INFILE' : Can't replace entry when foreign key exists

Here's a minimal case for my database scheme: CREATE TABLE `test` ( `id` int(11) NOT NULL, `name` varchar(22) DEFAULT NULL, PRIMARY KEY (`id`), UNIQUE KEY `id` (`id`) ) ENGINE=InnoDB DEFAULT ...
3
votes
3answers
134 views

Is there any way to temporarily enforce columnar uniqueness on items currently being inserted?

Is there any way to temporarily enforce columnar uniqueness on items currently being inserted? For instance, I'm splitting payments and charges to their own tables from a previously unified ...
6
votes
1answer
368 views

Application Settings in Database

In the past I have stored all generic settings and configuration items such as: custom application title, home address, version, debug, etc.. all in a "settings.php" file that I would include into all ...
3
votes
2answers
499 views

Testing Query Speed

When I'm running a query for the first time, it takes x miliseconds to be executed. When I run it the second time it takes a lot less time. I assume that it is some caching involved in this mechanism, ...
4
votes
2answers
759 views

MySQL connection doesn't work anymore

I had two MySQL servers running (127.0.0.1:3306 and 127.0.0.1:3307). Now I get this strange error: mysql_connect(): Lost connection to MySQL server at 'reading initial communication packet' I can ...