学习笔记，转自：http://hsyd.iteye.com/blog/379728
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执行以下sql生成的语句即可
删除所有外键约束?
Sql代码??
- select?'alter?table?'||table_name||'?drop?constraint?'||constraint_name||';'?from?user_constraints?where?constraint_type='R'??
?禁用所有外键约束
Sql代码??
- select?'alter?table?'||table_name||'?disable?constraint?'||constraint_name||';'?from?user_constraints?where?constraint_type='R'??
启用所有外键约束
Sql代码??
