Mysql Error Number 1064 Foreign Key
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Mysql Error 1064 Create Table
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#1215 - Cannot Add Foreign Key Constraint
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Foreign Key Mysql
Join them; it only takes a minute: Sign up MySQL CREATE TABLE & FOREIGN KEY Error up vote 3 down vote favorite 1 I'm not a DB guy, but I've been hacking away at this one for a bit and can't seem to nail the issue. I've read the relevant doc page (http://dev.mysql.com/doc/refman/5.5/en/innodb-foreign-key-constraints.html) and I can't see where my cannot add or update a child row: a foreign key constraint fails syntax may be an issue. ERROR 1064 (42000) at line 84: 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 (user_id) REFERENCES user(id) ON DELETE RESTRICT ON UPDATE C' at line 5 This is the relevant SQL - order(id) and user(id) are auto incrementing int(10) fields in their respective tables. DROP TABLE IF EXISTS `user_orders`; CREATE TABLE `user_orders` ( `user_id` int(10) unsigned NOT NULL default '0', `order_id` int(10) unsigned NOT NULL default '0', PRIMARY KEY (`user_orders_user_id`, `user_orders_order_id`) FOREIGN KEY (user_id) REFERENCES user(id) ON DELETE RESTRICT ON UPDATE CASCADE, FOREIGN KEY (order_id) REFERENCES order(id) ON DELETE RESTRICT ON UPDATE CASCADE, ) AUTO_INCREMENT=50; Help would be appreciated - especially if you can explain what I've missed. mysql mysql-error-1064 share|improve this question edited Oct 27 '11 at 5:44 mu is too short 285k42554558 asked Oct 27 '11 at 5:40 elithrar 9,64822752 add a comment| 2 Answers 2 active oldest votes up vote 5 down vote accepted You're missing a
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings sql foreign key and policies of this site About Us 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 6.2 million programmers, just like you, helping each other. Join them; it http://stackoverflow.com/questions/7912085/mysql-create-table-foreign-key-error only takes a minute: Sign up Why am I getting MySQL error 1064 on foreign key constraint? up vote -1 down vote favorite CREATE TABLE EMP_1 ( EMP_NUM varchar(3), EMP_LNAME varchar(15), EMP_FNAME varchar(15), EMP_INITIAL varchar(1), EMP_HIREDATE datetime, JOB_CODE varchar(3), FOREIGN KEY (JOB_CODE) REFERENCES JOB ); This is the code that is given to create a table that is a subset http://stackoverflow.com/questions/36876699/why-am-i-getting-mysql-error-1064-on-foreign-key-constraint of another table. It is part of an exercise. #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 ' REFERENCES JOB)' at line 8 Is the error message that is output in PHPMyAdmin when the query is run. Where is the syntax off on line 8? After checking w3 schools, and textbook, I cannot see the problem. mysql sql phpmyadmin share|improve this question edited Apr 27 at 3:24 wogsland 2,84181235 asked Apr 26 at 22:10 mango762 12 add a comment| 1 Answer 1 active oldest votes up vote 3 down vote you're missing the referencing foreign key column on the JOB table so it should be something like FOREIGN KEY (JOB_CODE) REFERENCES JOB(job_code_col) so if your JOB table also has a column called JOB_CODE, then the DDL would look like this: CREATE TABLE EMP_1 ( EMP_NUM varchar(3), EMP_LNAME varchar(15), EMP_FNAME varchar(15), EMP_INITIAL varchar(1), EMP_HIREDATE datetime, JOB_CODE varchar(3), FOREIGN KEY (JOB_CODE) REFERENCES JOB (JOB_CODE) ); share|improve this answer edited Apr 26 a
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the http://stackoverflow.com/questions/7853477/i-get-an-mysql-error-1064-when-add-foreign-key-constraint company Business Learn more about hiring developers or posting ads with us Stack Overflow http://www.inmotionhosting.com/support/website/database-troubleshooting/error-1064 Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 6.2 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up I get an MYSQL error #1064 when add foreign key constraint up vote 1 down vote favorite I keep foreign key getting this sql 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 'Option (OptionId)' at line 1" when I try and add a foreign key to the OptionId field from the Question Table to the OptionId(pk) field in the Option field. I don't get wy I keep getting the error because I don't see foreign key constraint what is wrong with it. Below is the foreign key constraint using ALTER TABLE: ALTER TABLE Question ADD CONSTRAINT FK_OptionId FOREIGN KEY (OptionId) REFERENCES Option (OptionId) Table names and syntax are correct, I made sure by double checking. Why is it not working? mysql database alter share|improve this question edited Sep 21 '12 at 6:48 Brad Werth 11.2k63357 asked Oct 21 '11 at 18:07 BruceyBandit 967113162 #1064 seems to be a generic mysql message where constraints are concerned. i got it while trying to CREATE FOREIGN KEY on an existing table (rusty!). your question reminded me that i had to ALTER TABLE. so i voted you up. thanx! –tony gil Feb 11 '12 at 13:54 add a comment| 1 Answer 1 active oldest votes up vote 4 down vote option is a reserved word in MySQL and must be surrounded by backticks. ALTER TABLE Question ADD CONSTRAINT FK_OptionId FOREIGN KEY (OptionId) REFERENCES `Option` (OptionId) share|improve this answer answered Oct 21 '11 at 18:10 Mark Byers 449k8810941194 1 +1 But better yet, avoid using reserved words completely. –Michael Mior Oct 21 '11 at 18:14 Thanks very much, I didn't know option was already a reserve word, Thank You –BruceyBandit Oct 21 '11 at 18:16 the " ` " character also
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