Professional MySQL Developer?
Once in a while I get to troubleshoot problems on machines specifically with MySQL. Sometimes that task is difficult because the vendor written code has been Zend Encoded. Perhaps in the name of...
View ArticleEmbedded indexing versus Client/Server
For a particular application, I require temporary persistent storage of some data. That data consists of a key value and a payload. That key value can be a dupe, which is what causes the problem....
View ArticleUser Interface Design
Programmers are not designers. Technical people should not design User Interfaces. * 810 source files * 90658 lines of code * 10213 lines of html For an internal project tasked to a series of...
View ArticleMysql Query Optimization
I heard a comment from a developer the other day: You don’t need indexes on small tables. So I asked what the definition of a small table was. He said, anything with a few hundred rows. So I said, 2300...
View Articlemysql 5.1′s query optimizer
While debugging an issue with an application that relies heavily on MySQL, an issue was brought up regarding the cardinality of the keys selected, and, the order in which the keys were indexed. With...
View ArticleWhy do you use an Object Relational Mapping (ORM) System in Development?
Here’s a programmer that is saying goodbye to ORMs at Hatful of Hollow. And another site offering a tutorial of sorts dealing with ORMs Why should you use an ORM. While both have their points, both...
View ArticleDesigning MySQL Indexes (Indices)
I’ve imported some data, I know how I want to query the data, but, using the provided schema, we end up with a table that is 8.1 million rows and we know very little about the composition of the data....
View ArticleUsing temporary; Using filesort
Ahh the dreaded temporary table and filesort. This is one performance killer that is incredibly bad on a high traffic site and the cause is fairly easy to explain. MySQL tries to keep a result set in...
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