select 1 You can add comments to changeSets. They can even be multiple lines if you would like. They aren't used to compute the changeSet MD5Sum, so you can update them whenever you want without causing problems. Add a username column so we can use "person" for authentication Fix misspelled "username" column Don't keep username in the person table I guess name needs to be not-null update liquibaseRunInfo set timesRan=timesRan+1 select firstname, lastname from person select id, fullname from person