The infamous slogan of internet startup, quoted from silicon valley, "social, mobile, local". When it comes to "mobile" & "local", we need to store, query geo location data. So let us study mysql spatial feature [+].
In the preparation of another blog talking about spatial feature of MYSQL, I started with data collection, then I wondered how capable MYSQL could be on ETL(Extraction/Transform/Loading) [+].
I want to study more about database, not just how to query and store data. I wish to know how a database is built, what concerns are to be addressed. I figure h2database [+] could be a good starting point