{"id":15691,"date":"2023-12-04T21:38:22","date_gmt":"2023-12-04T13:38:22","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=15691"},"modified":"2023-12-04T21:51:52","modified_gmt":"2023-12-04T13:51:52","slug":"oracle-zhong-suo-yin-shi-yong-lai-gan-shen-me-de-y-2","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/04\/oracle-zhong-suo-yin-shi-yong-lai-gan-shen-me-de-y-2\/","title":{"rendered":"Oracle \u4e2d\u7d22\u5f15\u662f\u7528\u6765\u5e72\u4ec0\u4e48\u7684\uff1f\u6709\u54ea\u4e9b\u7ea6\u675f\u5efa\u7acb\u7d22\u5f15\uff1f"},"content":{"rendered":"<p>\u5728 Oracle \u4e2d\uff0c\u7d22\u5f15\u662f\u7528\u6765\u63d0\u9ad8\u6570\u636e\u5e93\u67e5\u8be2\u6027\u80fd\u7684\u91cd\u8981\u5de5\u5177\u3002\u5b83\u4eec\u7c7b\u4f3c\u4e8e\u4e66\u7c4d\u7684\u76ee\u5f55\uff0c\u53ef\u4ee5\u52a0\u5feb\u5bf9\u6570\u636e\u7684\u68c0\u7d22\u901f\u5ea6\u3002<\/p>\n<p>\u7d22\u5f15\u7684\u4f5c\u7528\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u52a0\u5feb\u67e5\u8be2\u901f\u5ea6\uff1a<\/strong> \u7d22\u5f15\u53ef\u4ee5\u4f7f\u6570\u636e\u5e93\u7cfb\u7edf\u66f4\u5feb\u5730\u5b9a\u4f4d\u548c\u8bbf\u95ee\u8868\u4e2d\u7279\u5b9a\u884c\u7684\u6570\u636e\uff0c\u7c7b\u4f3c\u4e8e\u52a0\u901f\u6570\u636e\u5e93\u7684\u641c\u7d22\u3002<\/li>\n<li><strong>\u4f18\u5316\u6392\u5e8f\u548c\u8fde\u63a5\uff1a<\/strong> \u7d22\u5f15\u53ef\u4ee5\u52a0\u901f\u6392\u5e8f\u64cd\u4f5c\u548c\u8fde\u63a5\u64cd\u4f5c\uff0c\u63d0\u9ad8\u76f8\u5173\u67e5\u8be2\u7684\u6548\u7387\u3002<\/li>\n<li><strong>\u786e\u4fdd\u552f\u4e00\u6027\uff1a<\/strong> \u552f\u4e00\u7d22\u5f15\u53ef\u4ee5\u786e\u4fdd\u7d22\u5f15\u5217\u7684\u552f\u4e00\u6027\uff0c\u907f\u514d\u6570\u636e\u91cd\u590d\u3002<\/li>\n<\/ul>\n<p>\u5728\u5efa\u7acb\u7d22\u5f15\u65f6\uff0c\u6709\u51e0\u79cd\u7ea6\u675f\u9700\u8981\u8003\u8651\uff1a<\/p>\n<ol>\n<li>\n<strong>\u4e3b\u952e\u7ea6\u675f\uff08Primary Key Constraint\uff09\uff1a<\/strong><\/p>\n<ul>\n<li>\u4e3b\u952e\u7ea6\u675f\u53ef\u4ee5\u5728\u4e00\u4e2a\u8868\u4e2d\u552f\u4e00\u6807\u8bc6\u4e00\u884c\u8bb0\u5f55\uff0c\u901a\u5e38\u4f1a\u81ea\u52a8\u5728\u4e3b\u952e\u5217\u4e0a\u521b\u5efa\u7d22\u5f15\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>\u552f\u4e00\u7ea6\u675f\uff08Unique Constraint\uff09\uff1a<\/strong><\/p>\n<ul>\n<li>\u552f\u4e00\u7ea6\u675f\u786e\u4fdd\u5728\u4e00\u4e2a\u8868\u4e2d\u67d0\u4e00\u5217\u6216\u4e00\u7ec4\u5217\u7684\u503c\u662f\u552f\u4e00\u7684\u3002\u5728\u521b\u5efa\u552f\u4e00\u7ea6\u675f\u65f6\uff0cOracle \u4f1a\u81ea\u52a8\u5728\u76f8\u5e94\u7684\u5217\u4e0a\u521b\u5efa\u7d22\u5f15\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>\u5916\u952e\u7ea6\u675f\uff08Foreign Key Constraint\uff09\uff1a<\/strong><\/p>\n<ul>\n<li>\u5916\u952e\u7ea6\u675f\u7528\u4e8e\u7ef4\u62a4\u8868\u4e4b\u95f4\u7684\u5f15\u7528\u5b8c\u6574\u6027\u3002\u5c3d\u7ba1\u5728\u5916\u952e\u5217\u4e0a\u5e76\u4e0d\u81ea\u52a8\u521b\u5efa\u7d22\u5f15\uff0c\u4f46\u901a\u5e38\u5728\u5916\u952e\u5217\u4e0a\u521b\u5efa\u7d22\u5f15\u4f1a\u63d0\u9ad8\u5f15\u7528\u67e5\u8be2\u7684\u6027\u80fd\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>\u666e\u901a\u7d22\u5f15\uff08Normal Index\uff09\uff1a<\/strong><\/p>\n<ul>\n<li>\u8fd9\u79cd\u7d22\u5f15\u662f\u57fa\u672c\u7684\u7d22\u5f15\u7c7b\u578b\uff0c\u7528\u4e8e\u52a0\u5feb\u67e5\u8be2\u64cd\u4f5c\u7684\u901f\u5ea6\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u5728\u9009\u62e9\u5efa\u7acb\u7d22\u5f15\u65f6\uff0c\u9700\u8981\u6743\u8861\u7d22\u5f15\u5bf9\u67e5\u8be2\u6027\u80fd\u7684\u63d0\u5347\u548c\u7d22\u5f15\u7ef4\u62a4\u5bf9\u6570\u636e\u66f4\u65b0\u7684\u5f71\u54cd\u3002\u8fc7\u591a\u7684\u7d22\u5f15\u53ef\u80fd\u4f1a\u5bfc\u81f4\u67e5\u8be2\u6027\u80fd\u63d0\u5347\u4f46\u589e\u52a0\u6570\u636e\u66f4\u65b0\u7684\u5f00\u9500\u3002\u56e0\u6b64\uff0c\u9700\u8981\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u548c\u67e5\u8be2\u6a21\u5f0f\u8c28\u614e\u5730\u5efa\u7acb\u7d22\u5f15\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 Oracle \u4e2d\uff0c\u7d22\u5f15\u662f\u7528\u6765\u63d0\u9ad8\u6570\u636e\u5e93\u67e5\u8be2\u6027\u80fd\u7684\u91cd\u8981\u5de5\u5177\u3002\u5b83\u4eec\u7c7b\u4f3c\u4e8e\u4e66\u7c4d\u7684\u76ee\u5f55\uff0c\u53ef\u4ee5\u52a0\u5feb\u5bf9\u6570\u636e\u7684\u68c0\u7d22\u901f\u5ea6\u3002 [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[120],"tags":[],"class_list":["post-15691","post","type-post","status-publish","format-standard","hentry","category-oracel"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15691","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=15691"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15691\/revisions"}],"predecessor-version":[{"id":15692,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15691\/revisions\/15692"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=15691"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=15691"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=15691"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}