本文介绍如何解决在Oracle数据库中遇到的ORA-02266错误，该错误通常发生在尝试删除或截断被其他表外键约束引用的带有唯一或主键的表时。文章提供了解决方案，包括禁用外键约束的方法。
ORA-02266 unique/primary keys in table referenced by enabled foreign keys
Cause
An attempt was made to drop or truncate a table with unique or primary keys referenced by foreign keys enabled in another table.
Action
Before dropping or truncating the table, disable the foreign key constraints in other tables. You can see what constraints are referencing a table by issuing the following command:
select constraint_name, table_name, status
from user_constraints
where r_constraint_name in (
select constraint_name from user_constraints where table_name
='tabnam');
refer to following url：
http://turfybot.free.fr/oracle/8i/errors/ORA-02266.html
Cause
An attempt was made to drop or truncate a table with unique or primary keys referenced by foreign keys enabled in another table.
Action
Before dropping or truncating the table, disable the foreign key constraints in other tables. You can see what constraints are referencing a table by issuing the following command:
select constraint_name, table_name, status
from user_constraints
where r_constraint_name in (
select constraint_name from user_constraints where table_name
='tabnam');
refer to following url：
http://turfybot.free.fr/oracle/8i/errors/ORA-02266.html
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