{"id":5315,"date":"2024-11-14T13:16:35","date_gmt":"2024-11-14T05:16:35","guid":{"rendered":"https:\/\/fwq.ai\/blog\/5315\/"},"modified":"2024-11-14T13:16:35","modified_gmt":"2024-11-14T05:16:35","slug":"oracle%e6%80%8e%e4%b9%88%e5%88%a0%e9%99%a4%e8%a1%a8","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/5315\/","title":{"rendered":"oracle\u600e\u4e48\u5220\u9664\u8868"},"content":{"rendered":"<blockquote><p>\n  \u5220\u9664\u8868\u7684\u65b9\u6cd5\u6709\u4e09\u79cd\uff1a\u76f4\u63a5\u5220\u9664\u8868\u3001\u7ea7\u8054\u5220\u9664\u8868\u53ca\u5176\u5173\u8054\u6570\u636e\uff0c\u4ee5\u53ca\u7ea6\u675f\u5220\u9664\u8868\u800c\u4e0d\u5220\u9664\u5173\u8054\u6570\u636e\u3002\u7b2c\u4e00\u79cd\u65b9\u6cd5\u4f7f\u7528 drop \u547d\u4ee4\uff0c\u7b2c\u4e8c\u79cd\u65b9\u6cd5\u4f7f\u7528 cascade \u9009\u9879\uff0c\u7b2c\u4e09\u79cd\u65b9\u6cd5\u4f7f\u7528 no cascade \u7ea6\u675f\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202405\/26\/2024052619185610254.jpg\" class=\"aligncenter\" title=\"oracle\u600e\u4e48\u5220\u9664\u8868\u63d2\u56fe\" alt=\"oracle\u600e\u4e48\u5220\u9664\u8868\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u4f7f\u7528 Oracle \u5220\u9664\u8868<\/strong><\/p>\n<p><strong>\u76f4\u63a5\u5220\u9664<\/strong><\/p>\n<p>\u6700\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u4f7f\u7528 DROP \u547d\u4ee4\u76f4\u63a5\u5220\u9664\u8868\uff1a<\/p>\n<pre>DROP TABLE table_name;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u7ea7\u8054\u5220\u9664<\/strong><\/p>\n<p>\u8981\u5220\u9664\u8868\u53ca\u5176\u5173\u8054\u6570\u636e\uff08\u5728\u5176\u4ed6\u8868\u4e2d\u5f15\u7528\u7684\u6570\u636e\uff09\uff0c\u8bf7\u4f7f\u7528 CASCADE \u9009\u9879\uff1a<\/p>\n<pre>DROP TABLE table_name CASCADE CONSTRAINTS;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u7ea6\u675f\u5220\u9664<\/strong><\/p>\n<p>\u4ec5\u5220\u9664\u8868\u800c\u4e0d\u5220\u9664\u5173\u8054\u6570\u636e\uff0c\u8bf7\u4f7f\u7528 NO CASCADE \u7ea6\u675f\uff1a<\/p>\n<pre>DROP TABLE table_name NO CASCADE CONSTRAINTS;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u8be6\u7ec6\u4fe1\u606f<\/strong><\/p>\n<ul>\n<li>\u5220\u9664\u8868\u4f1a\u6c38\u4e45\u5220\u9664\u6240\u6709\u884c\u548c\u6570\u636e\u3002<\/li>\n<li>\u5982\u679c\u8868\u4e0e\u5176\u4ed6\u8868\u6709\u5916\u952e\u7ea6\u675f\uff0c\u5219\u5fc5\u987b\u4f7f\u7528\u7ea7\u8054\u5220\u9664\u6216\u624b\u52a8\u5220\u9664\u76f8\u5173\u884c\u3002<\/li>\n<li>\u8868\u4e2d\u662f\u5426\u6709\u6570\u636e\uff0cDROP \u547d\u4ee4\u7684\u5927\u5c0f\u5199\u65e0\u5173\u7d27\u8981\u3002<\/li>\n<li>\u5982\u679c\u8868\u88ab\u5f15\u7528\u4e3a\u5176\u4ed6\u8868\u7684\u7ea6\u675f\uff0c\u5219\u4e0d\u80fd\u5220\u9664\u8be5\u8868\u3002<\/li>\n<li>\u5728\u5220\u9664\u8868\u4e4b\u524d\uff0c\u5e94\u614e\u91cd\u8003\u8651\uff0c\u56e0\u4e3a\u6b64\u64cd\u4f5c\u4e0d\u53ef\u9006\u8f6c\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662f\u600e\u4e48\u5220\u9664\u8868\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5220\u9664\u8868\u7684\u65b9\u6cd5\u6709\u4e09\u79cd\uff1a\u76f4\u63a5\u5220\u9664\u8868\u3001\u7ea7\u8054\u5220\u9664\u8868\u53ca\u5176\u5173\u8054\u6570\u636e\uff0c\u4ee5\u53ca\u7ea6\u675f\u5220\u9664\u8868\u800c\u4e0d\u5220\u9664\u5173\u8054\u6570\u636e\u3002\u7b2c\u4e00\u79cd\u65b9\u6cd5\u4f7f\u7528 drop \u547d\u4ee4\uff0c\u7b2c\u4e8c\u79cd\u65b9\u6cd5\u4f7f\u7528 cascade \u9009\u9879\uff0c\u7b2c\u4e09\u79cd\u65b9\u6cd5\u4f7f\u7528 no cascade \u7ea6\u675f\u3002 \u5982\u4f55\u4f7f\u7528 Oracle \u5220\u9664\u8868 \u76f4\u63a5\u5220\u9664 \u6700\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u4f7f\u7528 DROP \u547d\u4ee4\u76f4\u63a5\u5220\u9664\u8868\uff1a DROP TABLE table_name; \u767b\u5f55\u540e\u590d\u5236 \u7ea7\u8054\u5220\u9664 \u8981\u5220\u9664\u8868\u53ca\u5176\u5173\u8054\u6570\u636e\uff08\u5728\u5176\u4ed6\u8868\u4e2d\u5f15\u7528\u7684\u6570\u636e\uff09\uff0c\u8bf7\u4f7f\u7528 CASCADE \u9009\u9879\uff1a DROP TABLE table_name CASCADE CONSTRAINTS; \u767b\u5f55\u540e\u590d\u5236 \u7ea6\u675f\u5220\u9664 \u4ec5\u5220\u9664\u8868\u800c\u4e0d\u5220\u9664\u5173\u8054\u6570\u636e\uff0c\u8bf7\u4f7f\u7528 NO CASCADE \u7ea6\u675f\uff1a DROP TABLE table_name NO CASCADE CONSTRAINTS; \u767b\u5f55\u540e\u590d\u5236 \u8be6\u7ec6\u4fe1\u606f \u5220\u9664\u8868\u4f1a\u6c38\u4e45\u5220\u9664\u6240\u6709\u884c\u548c\u6570\u636e\u3002 \u5982\u679c\u8868\u4e0e\u5176\u4ed6\u8868\u6709\u5916\u952e\u7ea6\u675f\uff0c\u5219\u5fc5\u987b\u4f7f\u7528\u7ea7\u8054\u5220\u9664\u6216\u624b\u52a8\u5220\u9664\u76f8\u5173\u884c\u3002 \u8868\u4e2d\u662f\u5426\u6709\u6570\u636e\uff0cDROP \u547d\u4ee4\u7684\u5927\u5c0f\u5199\u65e0\u5173\u7d27\u8981\u3002 \u5982\u679c\u8868\u88ab\u5f15\u7528\u4e3a\u5176\u4ed6\u8868\u7684\u7ea6\u675f\uff0c\u5219\u4e0d\u80fd\u5220\u9664\u8be5\u8868\u3002 \u5728\u5220\u9664\u8868\u4e4b\u524d\uff0c\u5e94\u614e\u91cd\u8003\u8651\uff0c\u56e0\u4e3a\u6b64\u64cd\u4f5c\u4e0d\u53ef\u9006\u8f6c\u3002 \u4ee5\u4e0a\u5c31\u662f\u600e\u4e48\u5220\u9664\u8868\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-5315","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5315","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=5315"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5315\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=5315"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=5315"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=5315"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}