# Dump schema ```bash cat << EOF | sqlite3 db/photos.db > photos.schema .schema EOF ``` # Edit schema ```bash nano photos.schema ``` # Backup database ```bash cp db/photos.db photos.db.bk ``` # For the table you want to modify ## Backup the table ```bash cat << EOF | sqlite3 db/photos.db .output faces.dump .dump faces .quit EOF ``` ## Drop the table ```bash cat << EOF | sqlite3 db/photos.db drop table faces EOF ``` ## Create the table with the modified schema ```bash cat photos.schema | sqlite3 db/photos.db ``` ## Re-populate the table ```bash cat faces.dump | sqlite3 db/photos.db ```