jyeh
覺得
Who has the experiences of upgrade script for web applications? Haha... I do..! 
萬沙浪
說
do you mean autobuild & auto-deployment?
jyeh
說
auto upgrade! for example, from ver 1 to ver 2 (upgrade everything including web ap and DB)
萬沙浪
說
you can refer to "Continuous Integration" topic, lots of discussion and open sources can help solving this problem...
jyeh
說
I've been working on this stuff for about 1 more year.... still got a lot of issues of patches for each release 
萬沙浪
說
hm...so what's ur actually problem?
jyeh
說
It's not easy to describe, because there are different changes between each release. Most of the problems should be data consistency.