生成删除数据库所有表的外检脚本

SELECT concat('alter table ',table_schema,'.',table_name,' DROP FOREIGN KEY ',constraint_name,';')
FROM information_schema.table_constraints
WHERE constraint_type='FOREIGN KEY'
AND table_schema='!!YOUR_SCHEMA_HERE!!';

示例:

SELECT concat('alter table ',table_schema,'.',table_name,' DROP FOREIGN KEY ',constraint_name,';')
FROM information_schema.table_constraints
WHERE constraint_type='FOREIGN KEY'
AND table_schema='hello';