{"id":93900,"date":"2024-10-19T17:51:15","date_gmt":"2024-10-19T09:51:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/93900\/"},"modified":"2024-10-19T17:51:15","modified_gmt":"2024-10-19T09:51:15","slug":"oracle-delete%e6%95%b8%e6%93%9a%e5%9c%a8%e9%87%8b%e6%94%be%e8%a1%a8%e7%a9%ba%e9%96%93%e5%87%ba%e7%8f%be%e7%9a%84%e5%95%8f%e9%a1%8c","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/93900\/","title":{"rendered":"Oracle delete\u6578\u64da\u5728\u91cb\u653e\u8868\u7a7a\u9593\u51fa\u73fe\u7684\u554f\u984c"},"content":{"rendered":"<h1 id=\"oracle-delete%e6%95%b8%e6%93%9a%e5%9c%a8%e9%87%8b%e6%94%be%e8%a1%a8%e7%a9%ba%e9%96%93%e5%87%ba%e7%8f%be%e7%9a%84%e5%95%8f%e9%a1%8c-zOlYImpLor\">Oracle Delete\u6578\u64da\u5728\u91cb\u653e\u8868\u7a7a\u9593\u51fa\u73fe\u7684\u554f\u984c<\/h1>\n<p>\u5728\u4f7f\u7528Oracle\u6578\u64da\u5eab\u6642\uff0c\u6578\u64da\u7684\u522a\u9664\u64cd\u4f5c\u662f\u5e38\u898b\u7684\u9700\u6c42\u3002\u7136\u800c\uff0c\u8a31\u591a\u7528\u6236\u5728\u522a\u9664\u6578\u64da\u5f8c\uff0c\u767c\u73fe\u8868\u7a7a\u9593\u4e26\u672a\u5982\u9810\u671f\u822c\u91cb\u653e\uff0c\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u7a7a\u9593\u4e0d\u8db3\u7684\u554f\u984c\u3002\u672c\u6587\u5c07\u63a2\u8a0eOracle\u4e2d\u522a\u9664\u6578\u64da\u5f8c\u91cb\u653e\u8868\u7a7a\u9593\u7684\u76f8\u95dc\u554f\u984c\u53ca\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"oracle%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e7%9a%84%e5%9f%ba%e6%9c%ac%e5%8e%9f%e7%90%86-zOlYImpLor\">Oracle\u522a\u9664\u6578\u64da\u7684\u57fa\u672c\u539f\u7406<\/h2>\n<p>\u5728Oracle\u6578\u64da\u5eab\u4e2d\uff0c\u7576\u7528\u6236\u57f7\u884c\u522a\u9664\u64cd\u4f5c\u6642\uff0c\u5be6\u969b\u4e0a\u4e26\u4e0d\u6703\u7acb\u5373\u91cb\u653e\u7269\u7406\u7a7a\u9593\u3002\u76f8\u53cd\uff0c\u522a\u9664\u7684\u6578\u64da\u6703\u88ab\u6a19\u8a18\u70ba\u201c\u5df2\u522a\u9664\u201d\uff0c\u4f46\u4ecd\u7136\u4f54\u7528\u8457\u8868\u7a7a\u9593\u3002\u9019\u662f\u56e0\u70baOracle\u4f7f\u7528\u4e86\u4e00\u7a2e\u7a31\u70ba\u201c\u884c\u9396\u201d\u7684\u6a5f\u5236\u4f86\u7ba1\u7406\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e5%88%aa%e9%99%a4%e5%be%8c%e4%b8%8d%e9%87%8b%e6%94%be%e8%a1%a8%e7%a9%ba%e9%96%93%ef%bc%9f-zOlYImpLor\">\u70ba\u4ec0\u9ebc\u522a\u9664\u5f8c\u4e0d\u91cb\u653e\u8868\u7a7a\u9593\uff1f<\/h2>\n<p>\u4ee5\u4e0b\u662f\u5e7e\u500b\u53ef\u80fd\u5c0e\u81f4\u522a\u9664\u5f8c\u8868\u7a7a\u9593\u672a\u91cb\u653e\u7684\u539f\u56e0\uff1a<\/p>\n<ul>\n<li><strong>\u884c\u9396\u6a5f\u5236\uff1a<\/strong>\u5982\u524d\u6240\u8ff0\uff0cOracle\u4e0d\u6703\u7acb\u5373\u91cb\u653e\u7a7a\u9593\uff0c\u800c\u662f\u5c07\u522a\u9664\u7684\u884c\u6a19\u8a18\u70ba\u53ef\u7528\u3002\u9019\u6a23\u505a\u662f\u70ba\u4e86\u63d0\u9ad8\u6027\u80fd\uff0c\u56e0\u70ba\u5728\u9ad8\u983b\u7387\u7684\u6578\u64da\u64cd\u4f5c\u4e2d\uff0c\u983b\u7e41\u7684\u7a7a\u9593\u5206\u914d\u548c\u91cb\u653e\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002<\/li>\n<li><strong>\u8868\u7a7a\u9593\u7684\u7ba1\u7406\uff1a<\/strong>Oracle\u7684\u8868\u7a7a\u9593\u662f\u7531\u6578\u64da\u6587\u4ef6\u7d44\u6210\u7684\uff0c\u7576\u6578\u64da\u6587\u4ef6\u7684\u7a7a\u9593\u88ab\u4f7f\u7528\u6642\uff0cOracle\u4e0d\u6703\u81ea\u52d5\u7e2e\u5c0f\u6578\u64da\u6587\u4ef6\u7684\u5927\u5c0f\u3002\u5373\u4f7f\u522a\u9664\u4e86\u5927\u91cf\u6578\u64da\uff0c\u6578\u64da\u6587\u4ef6\u7684\u5927\u5c0f\u4ecd\u7136\u4fdd\u6301\u4e0d\u8b8a\u3002<\/li>\n<li><strong>\u672a\u63d0\u4ea4\u7684\u4e8b\u52d9\uff1a<\/strong>\u5982\u679c\u6709\u672a\u63d0\u4ea4\u7684\u4e8b\u52d9\uff0c\u5247\u522a\u9664\u7684\u6578\u64da\u4e0d\u6703\u88ab\u771f\u6b63\u91cb\u653e\uff0c\u76f4\u5230\u4e8b\u52d9\u88ab\u63d0\u4ea4\u6216\u56de\u6efe\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-zOlYImpLor\">\u5982\u4f55\u91cb\u653e\u8868\u7a7a\u9593\uff1f<\/h2>\n<p>\u70ba\u4e86\u91cb\u653eOracle\u4e2d\u7684\u8868\u7a7a\u9593\uff0c\u60a8\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u7a2e\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e6%94%b6%e7%b8%ae%e6%93%8d%e4%bd%9c-zOlYImpLor\">1. \u4f7f\u7528\u6536\u7e2e\u64cd\u4f5c<\/h3>\n<p>\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u547d\u4ee4\u4f86\u6536\u7e2e\u8868\u7a7a\u9593\uff1a<\/p>\n<pre><code>ALTER TABLE table_name ENABLE ROW MOVEMENT;\nALTER TABLE table_name SHRINK SPACE;<\/code><\/pre>\n<p>\u9019\u5c07\u91cb\u653e\u672a\u4f7f\u7528\u7684\u7a7a\u9593\u4e26\u5c07\u5176\u8fd4\u56de\u7d66\u8868\u7a7a\u9593\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8dbms_space%e5%8c%85-zOlYImpLor\">2. \u4f7f\u7528DBMS_SPACE\u5305<\/h3>\n<p>Oracle\u63d0\u4f9b\u4e86DBMS_SPACE\u5305\u4f86\u5e6b\u52a9\u7528\u6236\u7ba1\u7406\u7a7a\u9593\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u6aa2\u67e5\u8868\u7684\u7a7a\u9593\u4f7f\u7528\u60c5\u6cc1\uff1a<\/p>\n<pre><code>EXEC DBMS_SPACE.SPACE_USAGE('table_name');<\/code><\/pre>\n<h3 id=\"3-%e6%89%8b%e5%8b%95%e8%aa%bf%e6%95%b4%e6%95%b8%e6%93%9a%e6%96%87%e4%bb%b6%e5%a4%a7%e5%b0%8f-zOlYImpLor\">3. \u624b\u52d5\u8abf\u6574\u6578\u64da\u6587\u4ef6\u5927\u5c0f<\/h3>\n<p>\u5982\u679c\u60a8\u5e0c\u671b\u624b\u52d5\u91cb\u653e\u6578\u64da\u6587\u4ef6\u7684\u7a7a\u9593\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>ALTER DATABASE DATAFILE 'datafile_name' RESIZE new_size;<\/code><\/pre>\n<p>\u9019\u5c07\u8abf\u6574\u6578\u64da\u6587\u4ef6\u7684\u5927\u5c0f\uff0c\u91cb\u653e\u672a\u4f7f\u7528\u7684\u7a7a\u9593\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-zOlYImpLor\">\u7d50\u8ad6<\/h2>\n<p>\u5728Oracle\u4e2d\uff0c\u522a\u9664\u6578\u64da\u5f8c\u8868\u7a7a\u9593\u672a\u91cb\u653e\u7684\u554f\u984c\u662f\u7531\u65bc\u884c\u9396\u6a5f\u5236\u3001\u8868\u7a7a\u9593\u7ba1\u7406\u548c\u672a\u63d0\u4ea4\u7684\u4e8b\u52d9\u7b49\u591a\u7a2e\u56e0\u7d20\u9020\u6210\u7684\u3002\u901a\u904e\u4f7f\u7528\u6536\u7e2e\u64cd\u4f5c\u3001DBMS_SPACE\u5305\u548c\u624b\u52d5\u8abf\u6574\u6578\u64da\u6587\u4ef6\u5927\u5c0f\u7b49\u65b9\u6cd5\uff0c\u7528\u6236\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u548c\u91cb\u653e\u8868\u7a7a\u9593\u3002\u4e86\u89e3\u9019\u4e9b\u64cd\u4f5c\u7684\u539f\u7406\u548c\u65b9\u6cd5\uff0c\u5c07\u6709\u52a9\u65bc\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u6548\u7387\u3002<\/p>\n<p>\u5982\u9700\u9032\u4e00\u6b65\u4e86\u89e3\u6709\u95dc<em><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/em>\u548c<em><a href=\"https:\/\/server.hk\">\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>\u63a2\u8a0eOracle\u4e2d\u522a\u9664\u6578\u64da\u6642\u91cb\u653e\u8868\u7a7a\u9593\u7684\u554f\u984c\uff0c\u5206\u6790\u539f\u56e0\u53ca\u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u512a\u5316\u6578\u64da\u5eab\u6027\u80fd\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-93900","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93900","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=93900"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93900\/revisions"}],"predecessor-version":[{"id":93901,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93900\/revisions\/93901"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=93900"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=93900"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=93900"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}