부모 테이블에 필요한 정보를 이미 추가했지만 외래 키 문제가 있습니다. 다음은 부모 테이블에 외래 키가 존재하고 하위 테이블에 새 데이터가 삽입됨을 나타내는 select 문입니다.1452 - 자식 행을 추가하거나 업데이트 할 수 없습니다. 외래 키 제약 조건이 적용되지 않습니다.
MariaDB [scannedmusic]> show create chhymnal; 세트가
+----------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Table | Create Table |
+----------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| chhymnal | CREATE TABLE `chhymnal` (<br>
`CHhymnalID` int(5) unsigned NOT NULL,<br>
`Title` varchar(30) DEFAULT NULL,<br>
`CHNumber` int(5) unsigned DEFAULT NULL,<br>
`Type` varchar(1) DEFAULT NULL,<br>
`WorshipItemType` varchar(30) DEFAULT NULL,<br>
`DateLastSung` date DEFAULT NULL,<br>
`HighNote` varchar(5) DEFAULT NULL,<br>
`UseThisWeek` tinyint(1) DEFAULT NULL,<br>
`ServiceOrder` int(2) unsigned DEFAULT NULL,<br>
`StartKey` varchar(2) DEFAULT NULL,<br>
`EndKey` varchar(2) DEFAULT NULL,<br>
`Tempo` int(1) unsigned DEFAULT NULL,<br>
`TimeSig` varchar(7) DEFAULT NULL,<br>
`CCLINumb` varchar(10) DEFAULT NULL,<br>
PRIMARY KEY (`CHhymnalID`)<br>
) ENGINE=InnoDB DEFAULT CHARSET=latin1 |<br>
+----------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
1 행 (0.00 초)
MariaDB [scannedmusic]> MariaDB [scannedmusic]> 쇼 chimages 테이블을 생성; 세트
가+----------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Table | Create Table |
+----------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| <br>chimages | CREATE TABLE `chimages` (<br>
`CHImageID` int(5) unsigned NOT NULL,<br>
`ImagePath` varchar(50) DEFAULT NULL,<br>
`Instrument` varchar(30) DEFAULT NULL,<br>
`CHhymnalID` int(5) DEFAULT NULL,<br>
PRIMARY KEY (`CHImageID`),<br>
CONSTRAINT `fk_images` FOREIGN KEY (`CHImageID`) REFERENCES `chhymnal` (`CHhymnalID`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 |
+----------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+<br>
1 row in set (0.00 sec)
MariaDB [scannedmusic]> SELECT * FROM `chhymnal` WHERE `CHhymnalID` = 343;
+------------+-------------------------+----------+------+-----------------+--------------+----------+-------------+--------------+----------+--------+-------+---------+----------+
| CHhymnalID | Title | CHNumber | Type | WorshipItemType | DateLastSung | HighNote | UseThisWeek | ServiceOrder | StartKey | EndKey | Tempo | TimeSig | CCLINumb |<br>
+------------+-------------------------+----------+------+-----------------+--------------+----------+-------------+--------------+----------+--------+-------+---------+----------+
| 343 | What a Day That Will Be | 762 | h | Hymn | 0000-00-00 | Db | 0 | 12 | Ab | Ab | 3 | 3/4 | |
+------------+-------------------------+----------+------+-----------------+--------------+----------+-------------+--------------+----------+--------+-------+---------+----------+
1 행 (0.00 초)
MariaDB [scannedmusic]> INSERT INTO <br>Chimages(`CHImageID`,`ImagePath`,`CHhymnalID`) VALUES (393, "\\BMP\\762_o1.bmp",343);
,536,913 참고 문헌ERROR 1452 (23000)이 : 추가 또는 자식 행을 업데이트 할 수 없습니다. 외래 키 제약이 실패 (
scannedmusic
chimages
을 CONSTRAINTfk_images
FOREIGN KEY (CHImageID
)는chhymnal
(CHhymnalID
))
당신이 싫어요 3 개 (또는 모드)와 함께 귀하의 게시물을 삭제하면
chimageid
해야 귀하의 명성 포인트는 것입니다 b 다시 당신에게. –