MySQL error code
MySQL error 3750
MySQL server error 3750 is ER_TABLE_WITHOUT_PK, reported with SQLSTATE HY000.
Unable to create or change a table without a primary key, when the system variable 'sql_require_primary_key' is set. Add a primary key to the table or unset this variable to avoid this message. Note that tables without a primary key can cause performance problems in row-based replication, so please consult your DBA before changing this setting.
| Error | 3750 |
|---|---|
| Name | ER_TABLE_WITHOUT_PK |
| SQLSTATE | HY000 |
| Group | Server errors |
Source: MySQL 8.4 Error Reference