table 'Table Name' that match the referencing column list in the foreign key 'Foreign Key Constraint Name'. Causes: This error is encountered when creating a FOREIGN KEY constraint on a table and the column being referenced as a FOREIGN KEY is not a PRIMARY KEY on the other table. To ill...
【单选题】如何在已经创建好的表上添加一个外键 A. Alter table 表名 add foreign key(键名)reference 关联表(关联键名) B. Al
I am creating two tables then doing an alter table to add a foreign key constraint and it gives the following error: Error Code: 1005. Can't create table 'mydb.#sql-870_16' (errno: 150) Here is a simple test to prove it:
如何在已有的表上添加一个外键( )A.Alter table 表名add foreign key(键名)reference 关联表(关联键名)B.Alter table
When trying to create a simple migration to add a foreign key column, I get this classic message ofSQLSTATE[HY000]: General error: 1005 SQLSTATE[HY000]: General error: 1005 Can't create table `portal`.`posts` (errno: 150 "Foreign key constraint is incorrectly formed") (SQL: alter table...
Error 1825: Failed to add the foreign key constraint on table '%s'. Incorrect options in FOREIGN KEY constraint '%s'
外键约束名是你自己起的 比如你这个外键自己起名叫OK,那么这就写OK就行了 但是不能与库里现存的重复
-- Add a primary key>CREATETABLEpersons(first_nameSTRINGNOTNULL, last_nameSTRINGNOTNULL, nicknameSTRING); >ALTERTABLEpersonsADDCONSTRAINTpersons_pk PRIMARYKEY(first_name, last_name);-- Add a foreign key which Databricks does not enforce, but can rely upon.>CREATETABLEpets(nameSTRING, ...
Hi Sveta, While creating table its a normal message. It executes fine. Query OK, 0 rows affected (0.01 sec) Then after when I try to add foreign key constraint then now it is giving me an error as follows: mysql> SHOW WARNINGS; +---+---+---+ | Level | Code | Message | +--...
CREATE Table FOO (); and: CREATE Table BAR () ENGINE=INNODB; If you try to create a constraint from table BAR to table FOO, it will not work on certain MySQL versions. Fix the issue by following: CREATE Table FOO () ENGINE=INNODB; http://update9.comNavigate...