Nodral Posted September 27, 2011 Share Posted September 27, 2011 Hi all I'm trying to set up a simple MySQL database and the first 3 tables will set up fine, but I cannot get a reference table to set up foreign keys. See my SQL below, I'm getting the following error #1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'FOREIGN KEY (item) REFERENCES supermarket.items(item), FOREIGN KEY (cat_id) RE' at line 4 SQL CREATE DATABASE `supermarket` DEFAULT CHARACTER SET utf8 COLLATE utf8_unicode_ci; CREATE TABLE `supermarket`.`log` (`id` INT NOT NULL AUTO_INCREMENT PRIMARY KEY, `item` INT NOT NULL, `time` TIMESTAMP NOT NULL); CREATE TABLE `supermarket`.`items` (`item` INT NOT NULL AUTO_INCREMENT PRIMARY KEY, `item_label` VARCHAR(255) NOT NULL); CREATE TABLE `supermarket`.`category` (`cat_id` INT NOT NULL AUTO_INCREMENT PRIMARY KEY, `cat_label` VARCHAR(255) NOT NULL); CREATE TABLE `supermarket`.`mapping` (`item` INT NOT NULL, `cat_id` INT NOT NULL) FOREIGN KEY (item) REFERENCES supermarket.items(item), FOREIGN KEY (cat_id) REFERENCES supermarket.category(cat_id); Link to comment https://forums.phpfreaks.com/topic/247970-foreign-key-not-working/ Share on other sites More sharing options...
mikosiko Posted September 27, 2011 Share Posted September 27, 2011 simple syntax error.... CREATE TABLE `supermarket`.`mapping` (`item` INT NOT NULL, `cat_id` INT NOT NULL) /// incorrect ")" usage here... replace it for , FOREIGN KEY (item) REFERENCES supermarket.items(item), FOREIGN KEY (cat_id) REFERENCES supermarket.category(cat_id); // add ) here before the ; Link to comment https://forums.phpfreaks.com/topic/247970-foreign-key-not-working/#findComment-1273317 Share on other sites More sharing options...
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