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| -rw-r--r-- | guides/source/active_record_validations.md | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/guides/source/active_record_validations.md b/guides/source/active_record_validations.md index 1c1b863fe9..65671c7be2 100644 --- a/guides/source/active_record_validations.md +++ b/guides/source/active_record_validations.md @@ -533,6 +533,7 @@ validates :boolean_field_name, presence: true validates :boolean_field_name, inclusion: { in: [true, false] } validates :boolean_field_name, exclusion: { in: [nil] } ``` + By using one of these validations, you will ensure the value will NOT be `nil` which would result in a `NULL` value in most cases. |