4 ms·
Depends on a migration. Postgres can add / drop a column to a table with a billion rows in milliseconds as long as you don't provide a default value for the new
by c2h5oh 8y ago
Depends on a migration. Postgres can add / drop a column to a table with a billion rows in milliseconds as long as you don't provide a default value for the new column.
- anarazel 8y agoAnd in v11, even if there's a default column!