Oracle创建索引和约束

• https://www.cnblogs.com/wsy0202/p/12496708.html
• https://blog.csdn.net/u012888704/article/details/90711981
• https://blog.csdn.net/xuehyunyu/article/details/78299591
• https://blog.csdn.net/weixin_42490383/article/details/107051223
• https://zhuanlan.zhihu.com/p/391673897
• https://blog.csdn.net/weixin_46128942/article/details/107664965