如何修改表中外键的名称，如下面的外键名称，希望更改为“one”

xytpbqjk 于 2021-06-21 发布在 Mysql

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如何修改表中外键的名称，如外键名称为article\u ibfk\u 1，要改为'one'。

+--------------------+-------------------+-----------------+---------------+--------------+------------+-------------+------------------+-------------------------------+-------------------------+-----------------------+------------------------+
| CONSTRAINT_CATALOG | CONSTRAINT_SCHEMA | CONSTRAINT_NAME | TABLE_CATALOG | TABLE_SCHEMA | TABLE_NAME | COLUMN_NAME | ORDINAL_POSITION | POSITION_IN_UNIQUE_CONSTRAINT | REFERENCED_TABLE_SCHEMA | REFERENCED_TABLE_NAME | REFERENCED_COLUMN_NAME |
+--------------------+-------------------+-----------------+---------------+--------------+------------+-------------+------------------+-------------------------------+-------------------------+-----------------------+------------------------+
| def                | test              | PRIMARY         | def           | test         | article    | id          |                1 |                          NULL | NULL                    | NULL                  | NULL                   |
| def                | test              | article_ibfk_1  | def           | test         | article    | tag         |                1 |                             1 | test                    | tag                   | id                     |
+--------------------+-------------------+-----------------+---------------+--------------+------------+-------------+------------------+-------------------------------+-------------------------+-----------------------+------------------------+
2 rows in set (0.00 sec)

sql mysql

来源：https://stackoverflow.com/questions/49956182/how-to-modify-the-name-of-a-foreign-key-in-a-table-such-as-the-foreign-key-name

2条答案

按热度按时间

2uluyalo1#

将其删除，然后使用新名称再次创建：

alter table article drop foreign key article_ibfk_1;

alter table article add constraint one foreign key (tag)
  references tag (id);

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omhiaaxx2#

sp\u rename'article\u ibfk\u 1'，'one'
或
exec sp_rename@objname=n'article_ibfk_1'，@newname=n'one'；

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如何修改表中外键的名称，如下面的外键名称，希望更改为“one”

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