Rails4のActiveRecordの削除系で例外を発生させれるのはdestroy!だけ？ Rails4 ActiveRecorddestroy - ayaketan > Rails4destroy!destroy_all! > < > There is delete, delete_all, destroy, and destroy_all. **Rails4** Rails4`destory!` `delete`, `delete_all`, `destroy_all` `if`

`delete` `delete_all`ActiveRecord

`create_all``update_all``update_all!`

`create!` `update!` `destroy!`