Error 1452
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Error 1452 Cannot Add Or Update A Child Row
the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation error 1452 mysql workbench Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it error 1452 cannot add or update only takes a minute: Sign up ERROR 1452: Cannot add or update a child row: a foreign key constraint fails up vote 30 down vote favorite 6 I have created tables in MySQL Workbench as shown below : ORDRE table: Create table Ordre( OrdreID int NOT NULL, OrdreDato date DEFAULT NULL, KundeID int DEFAULT NULL, constraint Ordre_pk primary key(OrdreID), constraint
Error 1452 23000
Ordre_fk foreign key(KundeID) references Kunde(KundeID) ) engine = InnoDB; PRODUKT table: Create table Produkt( ProduktID int NOT NULL, ProduktBeskrivelse varchar(100) DEFAULT NULL, ProduktFarge varchar(20) DEFAULT NULL, Enhetpris int DEFAULT NULL, constraint Produkt_pk primary key(ProduktID) ) engine = InnoDB; and ORDRELINJE table: Create table Ordrelinje( Ordre int NOT NULL, Produkt int NOT NULL, AntallBestilt int DEFAULT NULL, constraint Ordrelinje_pk primary key(Ordre, Produkt), constraint Ordrelinje_fk foreign key(Ordre) references Ordre(OrdreID), constraint Ordrelinje_fk1 foreign key(Produkt) references Produkt(ProduktID) ) engine = InnoDB; so when I try to insert values into ORDRELINJE table i get : Error Code: 1452. Cannot add or update a child row: a foreign key constraint fails (srdjank.Ordrelinje, CONSTRAINT Ordrelinje_fk FOREIGN KEY (Ordre) REFERENCES Ordre (OrdreID)) I've seen the other posts on this topic, but no luck. Am I overseeing something or ... Any idea what to do? mysql mysql-error-1452 share|improve this question edited Feb 9 '14 at 14:34 Mihai 15.3k52442 asked Feb 9 '14 at 13:37 user3289677 151123 1 possible duplicate of Mysql error 1452 - Cannot add or update a child row: a foreign key constraint fails
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Sql Error 1452
hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack http://stackoverflow.com/questions/21659691/error-1452-cannot-add-or-update-a-child-row-a-foreign-key-constraint-fails Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Error 1452 MySQL up vote 2 down vote favorite Inserting data into an empty table, but got error 1452. I am not sure why MySQL mentions the NameInfo table http://stackoverflow.com/questions/20028196/error-1452-mysql within the error. CREATE TABLE NameInfo ( Language VARCHAR(7) NOT NULL, Status VARCHAR(13) NOT NULL, Standard VARCHAR(13) NOT NULL, Name VARCHAR(13) NOT NULL, Name_ID INT(4) NOT NULL, Place_ID INT(9) NOT NULL, Supplier_ID INT(4) NOT NULL, Date_Supplied DATE NOT NULL, PRIMARY KEY (Name_ID), FOREIGN KEY (Supplier_ID) REFERENCES Supplier(Supplier_ID), FOREIGN KEY (Place_ID) REFERENCES Place(Place_ID) ); CREATE TABLE Departments ( Dept_ID INT(6) NOT NULL, Dept_NAME VARCHAR(25) NOT NULL, DeptHead_ID INT(6) NOT NULL, DeptAA VARCHAR(20) NOT NULL, ParentDept_ID INT(4) NOT NULL, Location VARCHAR(10) NOT NULL, DeptType VARCHAR(12) NOT NULL, Primary key (Dept_ID) ); CREATE TABLE Employee ( Emp_ID INT(6) NOT NULL, Name VARCHAR(15) NOT NULL, Dept_ID INT(6) NOT NULL, Tax_ID INT(4) NOT NULL, Country VARCAR(15) NOT NULL, Hire_Date DATE NOT NULL, Birth_Date DATE NOT NULL, Salary INT(6) NOT NULL, Bonus INT(6) NOT NULL, AddressInfo VARCHAR(30) NOT NULL, PRIMARY KEY(Emp_ID), FOREIGN KEY(Dept_ID) REFERENCES Departments(Dept_ID) ); Inserted data to parent table, Departments, before child table, Employee. INSERT INTO Departments VA
here for a quick overview of the site Help Center Detailed answers to any questions you might have http://stackoverflow.com/questions/16447137/error-1452-cannot-add-or-update-a-child-row-a-foreign-key-constraint-fails Meta Discuss the workings and policies of this site About Us https://codedump.io/share/zs0p1Ye9nN8O/1/error-1452-cannot-add-or-update-a-child-row-a-foreign-key-constraint-fails Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, error 1452 just like you, helping each other. Join them; it only takes a minute: Sign up ERROR 1452: Cannot add or update a child row: a foreign key constraint fails up vote 4 down vote favorite I have created two tables in MySQL 5.6.11 as shown below by means of MySQL Workbench 5.2.47. The country table: delimiter error 1452 cannot $$ CREATE TABLE `country` ( `id` int(11) NOT NULL AUTO_INCREMENT, `country_name` varchar(45) DEFAULT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB AUTO_INC REMENT=2 DEFAULT CHARSET=utf8$$ The state_table: delimiter $$ CREATE TABLE `state_table` ( `id` int(11) NOT NULL AUTO_INCREMENT, `state_name` varchar(45) DEFAULT NULL, `country_id` int(11) DEFAULT NULL, PRIMARY KEY (`id`), CONSTRAINT `country_fk` FOREIGN KEY (`id`) REFERENCES `country` (`id`) ON DELETE CASCADE ON UPDATE CASCADE ) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8 COMMENT=''$$ There is one row in the country table with the id 1. It allows only one (child) row to be inserted into its child table state_table. If more rows are attempted, then the following error occurs. ERROR 1452: Cannot add or update a child row: a foreign key constraint fails (social_networking.state_table, CONSTRAINT country_fk FOREIGN KEY (id) REFERENCES country (id) ON DELETE CASCADE ON UPDATE CASCADE) SQL Statement: INSERT INTO `social_networking`.`state_table` (`id`, `state_name`, `country_id`) VALUES ('2', 'xxx', '1') Actually, I'm trying to map these tables using an ORM (JPA) where I always see only OneToOne relationship. What am I missing
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CREATE TABLE `country` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`country_name` varchar(45) DEFAULT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INC
REMENT=2 DEFAULT CHARSET=utf8$$
The state_table: delimiter $$
CREATE TABLE `state_table` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`state_name` varchar(45) DEFAULT NULL,
`country_id` int(11) DEFAULT NULL,
PRIMARY KEY (`id`),
CONSTRAINT `country_fk` FOREIGN KEY (`id`) REFERENCES `country` (`id`) ON DELETE CASCADE ON UPDATE CASCADE
) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8 COMMENT=''$$
There is one row in the country table with the id 1. It allows only one (child) row to be inserted into its child table state_table. If more rows are attempted, then the following error occurs. ERROR 1452: Cannot add or update a child row: a foreign key constraint fails (social_networking.state_table, CONSTRAINT country_fk FOREIGN KEY (id) REFERENCES country (id) ON DELETE CASCADE ON UPDATE CASCADE) SQL Statement: INSERT INTO `social_networking`.`state_table` (`id`, `state_name`, `country_id`) VALUES ('2', 'xxx', '1')
Actually, I'm trying to map these tables using an ORM (JPA) where I always see only OneToOne