diff --git a/specification/attributes/null_handling.md b/specification/attributes/null_handling.md index 83604d480..4b6a55e1d 100644 --- a/specification/attributes/null_handling.md +++ b/specification/attributes/null_handling.md @@ -20,7 +20,7 @@ Indicates how to handle columns that don't have a value. ## Requirements * Columns MUST use NULL when there isn't a value that can be specified for a nullable column. -* Columns MUST NOT use empty strings or placeholder values such as "Not Set" or "Not Applicable" in columns, regardless of if the column allows nulls or not. +* Columns MUST NOT use empty strings or placeholder values such as 0 for numeric columns or "Not Applicable" for string columns, regardless of whether the column allows nulls or not. ## Exceptions