MySql
Surprise! Not all Amazon EC2 compute units are created equal
A very interesting discovery made by our sys admin not so long ago: While Amazon EC2 sells its hosting services on the notion of leasing virtualized servers with a guaranteed amount of standard compute units, memory and disk space, it turns out that in fact, not all EC2 compute units are created equal. In other [...]
Handy SQL snippet: Easily calculate average age of all members from DOB
The problem: Let’s say you have a database with a members or users list and you have the birthdate of these members stored in a date or datetime format (i.e. 1985-07-31 or similar). Now let’s say you would like to know the average age of the members in your list. This incidentally was exactly the [...]
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