{"id":93722,"date":"2024-10-19T16:22:17","date_gmt":"2024-10-19T08:22:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/93722\/"},"modified":"2024-10-19T16:22:17","modified_gmt":"2024-10-19T08:22:17","slug":"oracle-10g-%e7%b8%ae%e5%b0%8f%e8%a1%a8%e5%92%8c%e7%b8%ae%e5%b0%8f%e7%a9%ba%e9%96%93%e4%bd%bf%e7%94%a8%e8%a9%b3%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/93722\/","title":{"rendered":"Oracle 10g \u7e2e\u5c0f\u8868\u548c\u7e2e\u5c0f\u7a7a\u9593\u4f7f\u7528\u8a73\u89e3"},"content":{"rendered":"<h1 id=\"oracle-10g-%e7%b8%ae%e5%b0%8f%e8%a1%a8%e5%92%8c%e7%b8%ae%e5%b0%8f%e7%a9%ba%e9%96%93%e4%bd%bf%e7%94%a8%e8%a9%b3%e8%a7%a3-DanEgkmMWP\">Oracle 10g \u7e2e\u5c0f\u8868\u548c\u7e2e\u5c0f\u7a7a\u9593\u4f7f\u7528\u8a73\u89e3<\/h1>\n<p>\u5728\u8cc7\u6599\u5eab\u7ba1\u7406\u4e2d\uff0c\u7a7a\u9593\u7684\u6709\u6548\u5229\u7528\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002Oracle 10g \u63d0\u4f9b\u4e86\u591a\u7a2e\u5de5\u5177\u548c\u65b9\u6cd5\u4f86\u7e2e\u5c0f\u8868\u7684\u5927\u5c0f\u548c\u7a7a\u9593\u4f7f\u7528\uff0c\u9019\u4e0d\u50c5\u80fd\u63d0\u9ad8\u6027\u80fd\uff0c\u9084\u80fd\u7bc0\u7701\u5b58\u5132\u6210\u672c\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u5728 Oracle 10g \u4e2d\u7e2e\u5c0f\u8868\u548c\u7a7a\u9593\u4f7f\u7528\u7684\u5177\u9ad4\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e7%b8%ae%e5%b0%8f%e8%a1%a8%e5%92%8c%e7%a9%ba%e9%96%93%e4%bd%bf%e7%94%a8-DanEgkmMWP\">\u70ba\u4ec0\u9ebc\u9700\u8981\u7e2e\u5c0f\u8868\u548c\u7a7a\u9593\u4f7f\u7528<\/h2>\n<p>\u96a8\u8457\u8cc7\u6599\u5eab\u7684\u589e\u9577\uff0c\u8868\u7684\u5927\u5c0f\u53ef\u80fd\u6703\u8b8a\u5f97\u904e\u65bc\u9f90\u5927\uff0c\u9019\u6703\u5f71\u97ff\u67e5\u8a62\u6027\u80fd\u548c\u8cc7\u6599\u5eab\u7684\u6574\u9ad4\u6548\u7387\u3002\u7e2e\u5c0f\u8868\u548c\u7a7a\u9593\u4f7f\u7528\u7684\u4e3b\u8981\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff1a\u8f03\u5c0f\u7684\u8868\u53ef\u4ee5\u52a0\u5feb\u67e5\u8a62\u901f\u5ea6\uff0c\u6e1b\u5c11 I\/O \u64cd\u4f5c\u3002<\/li>\n<li>\u7bc0\u7701\u5b58\u5132\u7a7a\u9593\uff1a\u6e1b\u5c11\u4e0d\u5fc5\u8981\u7684\u7a7a\u9593\u4f7f\u7528\uff0c\u964d\u4f4e\u5b58\u5132\u6210\u672c\u3002<\/li>\n<li>\u7c21\u5316\u7dad\u8b77\uff1a\u8f03\u5c0f\u7684\u8cc7\u6599\u5eab\u66f4\u6613\u65bc\u7ba1\u7406\u548c\u5099\u4efd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%ae%e5%b0%8f%e8%a1%a8%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%96%b9%e6%b3%95-DanEgkmMWP\">\u7e2e\u5c0f\u8868\u7684\u57fa\u672c\u65b9\u6cd5<\/h2>\n<p>\u5728 Oracle 10g \u4e2d\uff0c\u7e2e\u5c0f\u8868\u7684\u4e3b\u8981\u65b9\u6cd5\u662f\u4f7f\u7528 <code>ALTER TABLE<\/code> \u8a9e\u53e5\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u7e2e\u5c0f\u8868\u7684\u65b9\u6cd5\uff1a<\/p>\n<h3>1. \u4f7f\u7528 <code>SHRINK SPACE<\/code><\/h3>\n<p>Oracle 10g \u5f15\u5165\u4e86 <code>SHRINK SPACE<\/code> \u529f\u80fd\uff0c\u9019\u662f\u4e00\u500b\u975e\u5e38\u6709\u6548\u7684\u7e2e\u5c0f\u8868\u7684\u65b9\u6cd5\u3002\u4f7f\u7528\u6b64\u529f\u80fd\u53ef\u4ee5\u91cb\u653e\u672a\u4f7f\u7528\u7684\u7a7a\u9593\uff0c\u4e26\u5c07\u5176\u8fd4\u56de\u5230\u8868\u7a7a\u9593\u4e2d\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528 <code>SHRINK SPACE<\/code> \u7684\u57fa\u672c\u8a9e\u6cd5\uff1a<\/p>\n<pre><code>ALTER TABLE table_name ENABLE ROW MOVEMENT;\nALTER TABLE table_name SHRINK SPACE;<\/code><\/pre>\n<p>\u5728\u57f7\u884c\u6b64\u547d\u4ee4\u4e4b\u524d\uff0c\u5fc5\u9808\u78ba\u4fdd\u8868\u7684\u884c\u79fb\u52d5\u5df2\u555f\u7528\uff0c\u5426\u5247\u5c07\u7121\u6cd5\u7e2e\u5c0f\u8868\u3002<\/p>\n<h3>2. \u4f7f\u7528 <code>ALTER TABLE ... MOVE<\/code><\/h3>\n<p>\u53e6\u4e00\u7a2e\u7e2e\u5c0f\u8868\u7684\u65b9\u6cd5\u662f\u4f7f\u7528 <code>MOVE<\/code> \u5b50\u53e5\u3002\u9019\u6703\u5c07\u8868\u4e2d\u7684\u6578\u64da\u79fb\u52d5\u5230\u65b0\u7684\u7269\u7406\u4f4d\u7f6e\uff0c\u4e26\u91cb\u653e\u672a\u4f7f\u7528\u7684\u7a7a\u9593\u3002\u4ee5\u4e0b\u662f\u793a\u4f8b\uff1a<\/p>\n<pre><code>ALTER TABLE table_name MOVE;<\/code><\/pre>\n<p>\u9019\u7a2e\u65b9\u6cd5\u6703\u5c0e\u81f4\u8868\u7684\u6240\u6709\u7d22\u5f15\u5931\u6548\uff0c\u56e0\u6b64\u5728\u57f7\u884c\u6b64\u64cd\u4f5c\u5f8c\uff0c\u9700\u8981\u91cd\u65b0\u5efa\u7acb\u7d22\u5f15\u3002<\/p>\n<h2 id=\"%e7%b8%ae%e5%b0%8f%e7%a9%ba%e9%96%93%e4%bd%bf%e7%94%a8%e7%9a%84%e5%85%b6%e4%bb%96%e6%96%b9%e6%b3%95-DanEgkmMWP\">\u7e2e\u5c0f\u7a7a\u9593\u4f7f\u7528\u7684\u5176\u4ed6\u65b9\u6cd5<\/h2>\n<p>\u9664\u4e86\u7e2e\u5c0f\u8868\u672c\u8eab\uff0c\u9084\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u65b9\u6cd5\u4f86\u9032\u4e00\u6b65\u512a\u5316\u7a7a\u9593\u4f7f\u7528\uff1a<\/p>\n<h3 id=\"1-%e6%b8%85%e7%90%86%e6%9c%aa%e4%bd%bf%e7%94%a8%e7%9a%84%e7%b4%a2%e5%bc%95-DanEgkmMWP\">1. \u6e05\u7406\u672a\u4f7f\u7528\u7684\u7d22\u5f15<\/h3>\n<p>\u5b9a\u671f\u6aa2\u67e5\u548c\u522a\u9664\u672a\u4f7f\u7528\u7684\u7d22\u5f15\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u7a7a\u9593\u4f7f\u7528\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u8b58\u5225\u672a\u4f7f\u7528\u7684\u7d22\u5f15\uff1a<\/p>\n<pre><code>SELECT * FROM dba_indexes WHERE status = 'UNUSABLE';<\/code><\/pre>\n<h3>2. \u4f7f\u7528 <code>COMPRESS<\/code> \u529f\u80fd<\/h3>\n<p>Oracle 10g \u9084\u63d0\u4f9b\u4e86 <code>COMPRESS<\/code> \u529f\u80fd\uff0c\u53ef\u4ee5\u5728\u63d2\u5165\u6578\u64da\u6642\u81ea\u52d5\u58d3\u7e2e\u884c\uff0c\u5f9e\u800c\u6e1b\u5c11\u7a7a\u9593\u4f7f\u7528\u3002\u9019\u5c0d\u65bc\u5927\u91cf\u91cd\u8907\u6578\u64da\u7684\u8868\u7279\u5225\u6709\u6548\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-DanEgkmMWP\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u7e2e\u5c0f\u8868\u548c\u7a7a\u9593\u4f7f\u7528\u6642\uff0c\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u5728\u9ad8\u5cf0\u671f\u907f\u514d\u57f7\u884c\u7e2e\u5c0f\u64cd\u4f5c\uff0c\u4ee5\u514d\u5f71\u97ff\u6027\u80fd\u3002<\/li>\n<li>\u5728\u57f7\u884c <code>SHRINK SPACE<\/code> \u6216 <code>MOVE<\/code> \u64cd\u4f5c\u4e4b\u524d\uff0c\u52d9\u5fc5\u5099\u4efd\u8cc7\u6599\u3002<\/li>\n<li>\u78ba\u4fdd\u5728\u7e2e\u5c0f\u8868\u5f8c\u91cd\u65b0\u5efa\u7acb\u7d22\u5f15\uff0c\u4ee5\u4fdd\u6301\u67e5\u8a62\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-DanEgkmMWP\">\u7e3d\u7d50<\/h2>\n<p>\u7e2e\u5c0f\u8868\u548c\u7a7a\u9593\u4f7f\u7528\u662f Oracle 10g \u4e2d\u4e00\u9805\u91cd\u8981\u7684\u7dad\u8b77\u4efb\u52d9\uff0c\u80fd\u5920\u986f\u8457\u63d0\u9ad8\u8cc7\u6599\u5eab\u6027\u80fd\u548c\u6548\u7387\u3002\u901a\u904e\u4f7f\u7528 <code>SHRINK SPACE<\/code> \u548c <code>MOVE<\/code> \u7b49\u65b9\u6cd5\uff0c\u7ba1\u7406\u54e1\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u8cc7\u6599\u5eab\u7684\u7a7a\u9593\u4f7f\u7528\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u80fd\u548c\u7a69\u5b9a\u6027\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u4e86\u89e3\u5982\u4f55\u512a\u5316\u8cc7\u6599\u5eab\u7684\u7a7a\u9593\u4f7f\u7528\uff0c\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u6574\u9ad4\u7cfb\u7d71\u7684\u6548\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3Oracle 10g\u4e2d\u7e2e\u5c0f\u8868\u548c\u7a7a\u9593\u4f7f\u7528\u7684\u8a73\u7d30\u65b9\u6cd5\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\uff0c\u7bc0\u7701\u5b58\u5132\u8cc7\u6e90\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-93722","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93722","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=93722"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93722\/revisions"}],"predecessor-version":[{"id":93723,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93722\/revisions\/93723"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=93722"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=93722"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=93722"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}