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Why is MySQL error 1005 unable to create table?
To make things incredibly clear, here’s the working example. To solve ‘ MySQL ERROR 1005: Can’t create table (errno: 150) ‘ you likely just have to ensure that your foreign key has the exact same type as the primary key. Hope it helps.
What causes MySQL foreign key error 1005 errno?
That caused the error 1005. Renaming my foreign key to something more specific to that situation solved the problem. Make sure that both tables are using the same Engine type. Make sure the fields you are indexing have the same type and length.
How to create a FOREIGN KEY constraint in MySQL?
When creating a foreign key constraint, MySQL requires a usable index on both the referencing table and also on the referenced table. The index on the referencing table is created automatically if one doesn’t exist, but the one on the referenced table needs to be created manually ( Source ).
Is the constraint symbol unique in the database?
The CONSTRAINT symbol value, if defined, must be unique in the database. A duplicate symbol results in an error similar to: ERROR 1005 (HY000): Can’t create table ‘test.fk1’ (errno: 121) . Table and column identifiers in a FOREIGN KEY
What is the error code for can’t create a table?
Error Code: 1005. Can’t create table ‘…’ (errno: 150) I searched for a solution to this problem on the Internet and checked the Stack Overflow questions, but none of the solutions worked for my case. I want to create a foreign key from table sira_no to metal_kod.
Why is MySQL throwing foreign key error 150?
This is another stupid error. It has to do with trying to successfully set foreign keys in MySQL. Great, that’s fantastic. Here’s an example of where this error will occur. So I’m trying to make the table “other” reference the table “main” through the foreign key “main_id” and, if you try it, it’ll throw an Error 150. Want the solution?
How to create a table in MySQL [ error code ]?
CREATE TABLE IF NOT EXISTS `country` (`id` INT (11) NOT NULL AUTO_INCREMENT,…) ENGINE = InnoDB DEFAULT CHARACTER SET = utf8; on the SQL statement means that there is some missing code.
Why is MySQL not creating a new table?
Very often it happens when the foreign key and the reference key don’t have the same type or same length. Sometimes it is due to the master table is dropped (maybe by disabling foreign_key_checks), but the foreign key CONSTRAINT still exists in other tables.