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Why GROUP_CONCAT returns BLOB?
Last week, when using the GROUP_CONCAT() function on a MySQL database, I got an unexpected result. Indeed, instead of getting my result as VARCHAR types, I got it as BLOB types! For information, a BLOB...
View ArticleJDBC and the “zero” date
A few weeks ago, I was in the process of writing a little script in Java to extract data from a MySQL database. Because this is what we can call a micro project, I decided to simply use JDBC to talk to...
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How to dump MySQL functions and stored procedures
I discovered something interesting about MySQL the other day. Interesting enough to share it with you. I was in the process of moving a MySQL database from a server to another. In order to do this, I...
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AVG function returns 0.9999
This one is a very odd bug! For some reason, the AVG function from MySQL is always returning the value 0.9999 instead of the average value. This has been experienced on MySQL 5.5.12 hosted on Amazon...
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Convert SQL Server to MySQL
Some time ago, I had to convert a Microsoft SQL Server database to a MySQL database. The main reason was the cost of the SQL Server license for such a small database. Looking on the web, I found the...
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