Can I alter a column in an sqlite table to AUTOINCREMENT after creation?

Question

Can I make a field AUTOINCREMENT after made a table? For example, if you create a table like this:

create table person(id integer primary key, n         


        

Answer 1

Simplest way — Just export and re-import

It is possible, and relatively easy. Export the database as an sql file. Alter the SQL file and re-import:

  sqlite3 mydata.db .dump > /tmp/backup.sql
  vi /tmp/backup.sql
  mv mydata.db mydata.db.old
  sqlite3 mydata.db
  sqlite>.read /tmp/backup.sql