| B | ↗ | A | Statement improved |
| D | ↗ | C | DB2Statement improved |
| C | ↗ | B | SQLSrvStatement improved |
| A | ↛ | DB2Connection::errorCode() removed | |
| A | ↛ | Statement::errorCode() removed | |
| A | ↛ | DB2Connection::errorInfo() removed | |
| A | ↛ | SQLAnywhereConnection::errorInfo() removed | |
| A | ↛ | DB2Statement::errorInfo() removed | |
| A | ↛ | SQLAnywhereConnection::errorCode() removed | |
| A | ↛ | Statement::errorCode() removed | |
| A | ↛ | SQLSrvStatement::errorInfo() removed | |
| A | ↛ | OCI8Connection::errorInfo() removed | |
| A | ↛ | SQLSrvStatement::errorCode() removed | |
| ⋮ | view more | ||