It's because Database Migration (aka Schema Migration) is versionned. So, we migrate (increment, decrement, etc..) from a schema version to another one.
Feel free to visit this Wiki page for further information: https://en.m.wikipedia.org/wiki/Schema_migration Hope that helps.. Mehdi Younes Serraj <younes.ser...@gmail.com>于2019年8月20日 周二下午6:13写道： > A client just asked me why we call them "database migrations" and not > "database alterations". It made me curious, so I'm asking you guys: why? > > -- > You received this message because you are subscribed to the Google Groups > "Ruby on Rails: Talk" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to rubyonrails-talk+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/rubyonrails-talk/08b7a57f-e2db-4595-9121-fffd6e139c1d%40googlegroups.com > <https://groups.google.com/d/msgid/rubyonrails-talk/08b7a57f-e2db-4595-9121-fffd6e139c1d%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To unsubscribe from this group and stop receiving emails from it, send an email to rubyonrails-talk+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/rubyonrails-talk/CANejssV4AbpeXwXXRKAB3F4_VPL5jRZoh5JLKAy2ut5N2iWkNA%40mail.gmail.com.
