MySQL error code
MySQL error 4028
MySQL server error 4028 is ER_TABLE_MUST_HAVE_A_VISIBLE_COLUMN, reported with SQLSTATE HY000.
A table must have at least one visible column.
| Error | 4028 |
|---|---|
| Name | ER_TABLE_MUST_HAVE_A_VISIBLE_COLUMN |
| SQLSTATE | HY000 |
| Group | Server errors |
Source: MySQL 8.4 Error Reference