{"id":93898,"date":"2024-10-19T17:50:20","date_gmt":"2024-10-19T09:50:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/93898\/"},"modified":"2024-10-19T17:50:21","modified_gmt":"2024-10-19T09:50:21","slug":"oracle-delete%e6%95%b8%e6%93%9a%e5%be%8c%e7%9a%84%e9%87%8b%e6%94%be%e8%a1%a8%e7%a9%ba%e9%96%93%e5%95%8f%e9%a1%8c%e7%9a%84%e8%a7%a3%e6%b1%ba","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/93898\/","title":{"rendered":"Oracle delete\u6578\u64da\u5f8c\u7684\u91cb\u653e\u8868\u7a7a\u9593\u554f\u984c\u7684\u89e3\u6c7a"},"content":{"rendered":"<h1 id=\"oracle%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e5%be%8c%e7%9a%84%e9%87%8b%e6%94%be%e8%a1%a8%e7%a9%ba%e9%96%93%e5%95%8f%e9%a1%8c%e7%9a%84%e8%a7%a3%e6%b1%ba-CDWdRiZFBK\">Oracle\u522a\u9664\u6578\u64da\u5f8c\u7684\u91cb\u653e\u8868\u7a7a\u9593\u554f\u984c\u7684\u89e3\u6c7a<\/h1>\n<p>\u5728\u4f7f\u7528Oracle\u6578\u64da\u5eab\u7684\u904e\u7a0b\u4e2d\uff0c\u6578\u64da\u7684\u522a\u9664\u662f\u5e38\u898b\u7684\u64cd\u4f5c\u3002\u7136\u800c\uff0c\u8a31\u591a\u7528\u6236\u5728\u522a\u9664\u6578\u64da\u5f8c\u767c\u73fe\uff0c\u8868\u7a7a\u9593\u4e26\u672a\u5982\u9810\u671f\u90a3\u6a23\u91cb\u653e\uff0c\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u7a7a\u9593\u4e0d\u8db3\u7684\u554f\u984c\u3002\u672c\u6587\u5c07\u63a2\u8a0eOracle\u522a\u9664\u6578\u64da\u5f8c\u91cb\u653e\u8868\u7a7a\u9593\u7684\u554f\u984c\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e5%be%8c%e8%a1%a8%e7%a9%ba%e9%96%93%e4%b8%8d%e9%87%8b%e6%94%be%ef%bc%9f-CDWdRiZFBK\">\u70ba\u4ec0\u9ebc\u522a\u9664\u6578\u64da\u5f8c\u8868\u7a7a\u9593\u4e0d\u91cb\u653e\uff1f<\/h2>\n<p>\u5728Oracle\u6578\u64da\u5eab\u4e2d\uff0c\u7576\u7528\u6236\u522a\u9664\u6578\u64da\u6642\uff0c\u5be6\u969b\u4e0a\u53ea\u662f\u5c07\u6578\u64da\u6a19\u8a18\u70ba\u201c\u5df2\u522a\u9664\u201d\uff0c\u800c\u4e0d\u662f\u7acb\u5373\u5f9e\u78c1\u789f\u4e2d\u79fb\u9664\u3002\u9019\u610f\u5473\u8457\uff0c\u5118\u7ba1\u6578\u64da\u4e0d\u518d\u53ef\u7528\uff0c\u4f46\u5176\u4f54\u7528\u7684\u7a7a\u9593\u4ecd\u7136\u4fdd\u7559\u5728\u8868\u7a7a\u9593\u4e2d\u3002\u9019\u7a2e\u884c\u70ba\u7684\u539f\u56e0\u4e3b\u8981\u6709\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li><strong>\u6027\u80fd\u8003\u91cf\uff1a<\/strong>\u76f4\u63a5\u522a\u9664\u6578\u64da\u53ef\u80fd\u6703\u5f71\u97ff\u6578\u64da\u5eab\u7684\u6027\u80fd\uff0c\u56e0\u6b64Oracle\u9078\u64c7\u5c07\u6578\u64da\u6a19\u8a18\u70ba\u5df2\u522a\u9664\u3002<\/li>\n<li><strong>\u4e8b\u52d9\u7ba1\u7406\uff1a<\/strong>\u70ba\u4e86\u652f\u6301\u4e8b\u52d9\u7684ACID\u7279\u6027\uff0cOracle\u9700\u8981\u4fdd\u7559\u5df2\u522a\u9664\u6578\u64da\u7684\u5143\u6578\u64da\uff0c\u4ee5\u4fbf\u5728\u9700\u8981\u6642\u9032\u884c\u56de\u6efe\u3002<\/li>\n<li><strong>\u7a7a\u9593\u7ba1\u7406\uff1a<\/strong>Oracle\u4f7f\u7528\u81ea\u52d5\u7a7a\u9593\u7ba1\u7406\uff08ASM\uff09\u4f86\u7ba1\u7406\u8868\u7a7a\u9593\uff0c\u9019\u4f7f\u5f97\u7a7a\u9593\u7684\u91cb\u653e\u8b8a\u5f97\u66f4\u52a0\u8907\u96dc\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e9%87%8b%e6%94%be%e8%a1%a8%e7%a9%ba%e9%96%93%ef%bc%9f-CDWdRiZFBK\">\u5982\u4f55\u91cb\u653e\u8868\u7a7a\u9593\uff1f<\/h2>\n<p>\u8981\u91cb\u653eOracle\u4e2d\u7684\u8868\u7a7a\u9593\uff0c\u901a\u5e38\u6709\u5e7e\u7a2e\u65b9\u6cd5\u53ef\u4ee5\u8003\u616e\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e6%94%b6%e7%b8%ae%e8%a1%a8%e7%a9%ba%e9%96%93-CDWdRiZFBK\">1. \u4f7f\u7528\u6536\u7e2e\u8868\u7a7a\u9593<\/h3>\n<p>\u6536\u7e2e\u8868\u7a7a\u9593\u662f\u4e00\u7a2e\u6709\u6548\u7684\u65b9\u5f0f\u4f86\u91cb\u653e\u672a\u4f7f\u7528\u7684\u7a7a\u9593\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u547d\u4ee4\u4f86\u6536\u7e2e\u8868\u7a7a\u9593\uff1a<\/p>\n<pre><code>ALTER TABLESPACE tablespace_name COALESCE;<\/code><\/pre>\n<p>\u9019\u500b\u547d\u4ee4\u6703\u5c07\u8868\u7a7a\u9593\u4e2d\u7684\u7a7a\u9592\u7a7a\u9593\u5408\u4f75\uff0c\u5f9e\u800c\u91cb\u653e\u672a\u4f7f\u7528\u7684\u7a7a\u9593\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8dbms_space%e5%8c%85-CDWdRiZFBK\">2. \u4f7f\u7528DBMS_SPACE\u5305<\/h3>\n<p>Oracle\u63d0\u4f9b\u4e86DBMS_SPACE\u5305\u4f86\u5e6b\u52a9\u7528\u6236\u7ba1\u7406\u7a7a\u9593\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u6aa2\u67e5\u8868\u7a7a\u9593\u7684\u4f7f\u7528\u60c5\u6cc1\uff1a<\/p>\n<pre><code>EXEC DBMS_SPACE.SPACE_USAGE('tablespace_name');<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u7372\u5f97\u6709\u95dc\u8868\u7a7a\u9593\u4f7f\u7528\u60c5\u6cc1\u7684\u8a73\u7d30\u4fe1\u606f\uff0c\u5e6b\u52a9\u7528\u6236\u505a\u51fa\u66f4\u597d\u7684\u6c7a\u7b56\u3002<\/p>\n<h3 id=\"3-%e9%87%8d%e6%96%b0%e7%b5%84%e7%b9%94%e8%a1%a8-CDWdRiZFBK\">3. \u91cd\u65b0\u7d44\u7e54\u8868<\/h3>\n<p>\u5982\u679c\u8868\u4e2d\u6709\u5927\u91cf\u7684\u5df2\u522a\u9664\u6578\u64da\uff0c\u53ef\u4ee5\u8003\u616e\u91cd\u65b0\u7d44\u7e54\u8868\u3002\u9019\u53ef\u4ee5\u901a\u904e\u5275\u5efa\u4e00\u500b\u65b0\u7684\u8868\u4e26\u5c07\u6578\u64da\u5f9e\u820a\u8868\u8907\u88fd\u904e\u4f86\u4f86\u5be6\u73fe\uff1a<\/p>\n<pre><code>CREATE TABLE new_table AS SELECT * FROM old_table WHERE condition;<\/code><\/pre>\n<p>\u7136\u5f8c\uff0c\u522a\u9664\u820a\u8868\u4e26\u91cd\u547d\u540d\u65b0\u8868\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-CDWdRiZFBK\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u91cb\u653e\u8868\u7a7a\u9593\u6642\uff0c\u9700\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u5728\u9032\u884c\u4efb\u4f55\u64cd\u4f5c\u4e4b\u524d\uff0c\u5efa\u8b70\u5148\u5099\u4efd\u6578\u64da\u5eab\uff0c\u4ee5\u9632\u6b62\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<li>\u5728\u9ad8\u5cf0\u671f\u9032\u884c\u8868\u7a7a\u9593\u7684\u6536\u7e2e\u6216\u91cd\u65b0\u7d44\u7e54\u53ef\u80fd\u6703\u5f71\u97ff\u6027\u80fd\uff0c\u56e0\u6b64\u61c9\u9078\u64c7\u5408\u9069\u7684\u6642\u9593\u9032\u884c\u64cd\u4f5c\u3002<\/li>\n<li>\u5b9a\u671f\u76e3\u63a7\u8868\u7a7a\u9593\u7684\u4f7f\u7528\u60c5\u6cc1\uff0c\u4ee5\u4fbf\u53ca\u6642\u63a1\u53d6\u63aa\u65bd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-CDWdRiZFBK\">\u7e3d\u7d50<\/h2>\n<p>\u5728Oracle\u6578\u64da\u5eab\u4e2d\uff0c\u522a\u9664\u6578\u64da\u5f8c\u8868\u7a7a\u9593\u4e0d\u6703\u7acb\u5373\u91cb\u653e\uff0c\u9019\u662f\u7531\u65bc\u6027\u80fd\u548c\u4e8b\u52d9\u7ba1\u7406\u7684\u8003\u91cf\u3002\u901a\u904e\u4f7f\u7528\u6536\u7e2e\u8868\u7a7a\u9593\u3001DBMS_SPACE\u5305\u548c\u91cd\u65b0\u7d44\u7e54\u8868\u7b49\u65b9\u6cd5\uff0c\u7528\u6236\u53ef\u4ee5\u6709\u6548\u5730\u91cb\u653e\u672a\u4f7f\u7528\u7684\u7a7a\u9593\u3002\u5b9a\u671f\u76e3\u63a7\u548c\u7ba1\u7406\u8868\u7a7a\u9593\u7684\u4f7f\u7528\u60c5\u6cc1\uff0c\u5c07\u6709\u52a9\u65bc\u4fdd\u6301\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc<em><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/em>\u548c<em><a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a><\/em>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7aOracle\u522a\u9664\u6578\u64da\u5f8c\u91cb\u653e\u8868\u7a7a\u9593\u7684\u554f\u984c\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\uff0c\u512a\u5316\u5b58\u5132\u7ba1\u7406\uff0c\u78ba\u4fdd\u8cc7\u6e90\u6709\u6548\u5229\u7528\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-93898","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93898","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=93898"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93898\/revisions"}],"predecessor-version":[{"id":93899,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93898\/revisions\/93899"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=93898"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=93898"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=93898"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}