Collectives™ on Stack Overflow

Find centralized, trusted content and collaborate around the technologies you use most.

Learn more about Collectives

Teams

Q&A for work

Connect and share knowledge within a single location that is structured and easy to search.

Learn more about Teams

So, my professor gave me tables to insert it in a database but when I execute his code, MySQL is constantly giving the Error Code: 1062. Here is the conflict tables and the inserts:

TABLES

CREATE TABLE FABRICANTES(
COD_FABRICANTE integer NOT NULL,
NOMBRE         VARCHAR(15), 
PAIS           VARCHAR(15),
primary key (cod_fabricante)
CREATE TABLE ARTICULOS(
ARTICULO       VARCHAR(20)NOT NULL,
COD_FABRICANTE integer NOT NULL,
PESO           integer NOT NULL ,
CATEGORIA      VARCHAR(10) NOT NULL,
PRECIO_VENTA   integer,
PRECIO_COSTO   integer,
EXISTENCIAS    integer,
primary key (articulo,cod_fabricante),
foreign key (cod_fabricante) references Fabricantes(cod_fabricante)

INSERT INTO:

INSERT INTO FABRICANTES VALUES(10,'CALVO', 'ESPAÑA');
INSERT INTO FABRICANTES VALUES(15,'LU', 'BELGICA');
INSERT INTO FABRICANTES VALUES(20,'BARILLA', 'ITALIA');
INSERT INTO FABRICANTES VALUES(25,'GALLO', 'ESPAÑA');
INSERT INTO FABRICANTES VALUES(30,'PRESIDENT', 'FRANCIA');
INSERT INTO ARTICULOS VALUES ('Macarrones',20, 1, 'Primera',100,98,120);
INSERT INTO ARTICULOS VALUES ('Tallarines',20, 2, 'Primera',120,100,100);
INSERT INTO ARTICULOS VALUES ('Tallarines',20, 1, 'Segunda',99,50,100);
INSERT INTO ARTICULOS VALUES ('Macarrones',20, 1, 'Tercera',80,50,100);
INSERT INTO ARTICULOS VALUES ('Atún',10, 3, 'Primera',200,150,220);
INSERT INTO ARTICULOS VALUES ('Atún',10, 3, 'Segunda',150,100,220);
INSERT INTO ARTICULOS VALUES ('Atún',10, 3, 'Tercera',100,50,220);
INSERT INTO ARTICULOS VALUES ('Sardinillas',10, 1,'Primera',250,200,200);
INSERT INTO ARTICULOS VALUES ('Sardinillas',10, 1,'Segunda',200,160,200);
INSERT INTO ARTICULOS VALUES ('Sardinillas',10, 1,'Tercera',100,150,220);
INSERT INTO ARTICULOS VALUES ('Mejillones',10, 1, 'Tercera',90,50,200);
INSERT INTO ARTICULOS VALUES ('Mejillones',10, 1, 'Primera',200,150,300);
INSERT INTO ARTICULOS VALUES ('Macarrones',25, 1, 'Primera',90,68,150);
INSERT INTO ARTICULOS VALUES ('Tallarines',25, 1, 'Primera',100,90,100);
INSERT INTO ARTICULOS VALUES ('Fideos',25, 1, 'Segunda',75,50,100);
INSERT INTO ARTICULOS VALUES ('Fideos',25, 1, 'Primera',100,80,100);
INSERT INTO ARTICULOS VALUES ('Galletas Cuadradas',15, 1, 'Primera',100,80,100);
INSERT INTO ARTICULOS VALUES ('Galletas Cuadradas',15, 1, 'Segunda',70,50,100);
INSERT INTO ARTICULOS VALUES ('Galletas Cuadradas',15, 1, 'Tercera',50,40,100);
INSERT INTO ARTICULOS VALUES ('Barquillos',15, 1, 'Primera',100,80,100);
INSERT INTO ARTICULOS VALUES ('Barquillos',15, 1, 'Segunda',100,80,100);
INSERT INTO ARTICULOS VALUES ('Canutillos',15, 2, 'Primera',170,150,110);
INSERT INTO ARTICULOS VALUES ('Canutillos',15, 2, 'Segunda',120,150,110);
INSERT INTO ARTICULOS VALUES ('Leche entera',30, 1, 'Primera',110,100,300);
INSERT INTO ARTICULOS VALUES ('Leche desnat.',30, 1, 'Primera',120,100,300);
INSERT INTO ARTICULOS VALUES ('Leche semi.',30, 1, 'Primera',130,110,300);
INSERT INTO ARTICULOS VALUES ('Leche entera',30, 2, 'Primera',210,200,300);
INSERT INTO ARTICULOS VALUES ('Leche desnat.',30, 2, 'Primera',220,200,300);
INSERT INTO ARTICULOS VALUES ('Leche semi.',30, 2, 'Primera',230,210,300);
INSERT INTO ARTICULOS VALUES ('Mantequilla',30, 1, 'Primera',510,400,200);
INSERT INTO ARTICULOS VALUES ('Mantequilla',30, 1, 'Segunda',450,340,200);

The ERROR:

Error Code: 1062. Duplicate entry 'Macarrones-20' for key 'PRIMARY'

If I delete that row gives me the same error but with 'Tallarines-20'

Sorry if there is any spell mistake. Thanks!

You are trying to insert two rows with the same primary key.

INSERT INTO ARTICULOS VALUES ('Tallarines',20, 2, 'Primera',120,100,100);
INSERT INTO ARTICULOS VALUES ('Tallarines',20, 1, 'Segunda',99,50,100);

You would probably need to add CATEGORIA to your primary key for table ARTICULOS because you are trying to insert multiple rows with the same primary key multiple times.

primary key (articulo,cod_fabricante, categoria)
                This can also happen if you are trying to set as primary key a column that contains duplicate (my case).
– Gellie Ann
                Jan 18, 2017 at 10:07

7th and 8th INSERT rows are equal. You can not enter more than one row with the same primary key. Note that your primary key is the set: (articulate, cod_fabricante), so any line with the same articulate and cod_fabricante will generate Error 1062.

INSERT INTO ARTICULOS VALUES ('Tallarines',20, 2, 'Primera',120,100,100);
INSERT INTO ARTICULOS VALUES ('Tallarines',20, 1, 'Segunda',99,50,100);

Remove one of the lines or change the primary key of one of them.

You can change primary key like Jonas said: primary key (articulo,cod_fabricante, categoria) – Denis Spalenza Feb 24, 2015 at 18:24

This error code 1062 is because of the duplicate entry. You are trying to insert a value which is already exists in the primary key field. Recently, I solved this issue by adding auto_increment to primary key field. I followed the fix provided in this post how to solve mysql error code : 1062 duplicate entry? it worked for me. Help you too.

I had the same error when trying to set a column as the primary key. I just deleted the column and recreated it which allowed me to assign it as the primary key. This also resolves the # 1075 error where it requires an auto increment column to be a key (if you try to set the column for auto increment).

You have error of duplicate key in second table ARTICULOS. you have primary key with combination of two columns (articulo,cod_fabricante).

So all rows are uniquely defined in combination of these columns. remove duplicate rows from second table or change primary key instead.

Thanks for contributing an answer to Stack Overflow!

  • Please be sure to answer the question. Provide details and share your research!

But avoid

  • Asking for help, clarification, or responding to other answers.
  • Making statements based on opinion; back them up with references or personal experience.

To learn more, see our tips on writing great answers.