[radub]

I don't have a specific timeline but it is something we will be focusing on in the following releases.

Regarding DDL statements, this blog post [1] has details. In a nutshell, online schema changes are possible; the changes become visible to transactions atomically (a concurrent transaction either sees the old schema, or the fully functional new schema).

[1] https://www.cockroachlabs.com/blog/how-online-schema-changes...