Count Function (Microsoft Access SQL) - Access

Count Function (Microsoft Access SQL) - Access

瀏覽:754
日期:2025-04-26
If expr identifies multiple fields, the Count function counts a record only if at least one of the fields is not Null. If all of the specified fields are Null, the record is not counted. Separate the field names with an ampersand (&). The following exampl...看更多