{"id":94872,"date":"2024-10-19T20:51:17","date_gmt":"2024-10-19T12:51:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/94872\/"},"modified":"2024-10-19T20:51:18","modified_gmt":"2024-10-19T12:51:18","slug":"oracle%e6%9f%a5%e8%a9%a2%e6%af%8f%e5%80%8b%e8%a1%a8%e4%bd%94%e7%94%a8%e7%a9%ba%e9%96%93%e5%a4%a7%e5%b0%8f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/94872\/","title":{"rendered":"Oracle\u67e5\u8a62\u6bcf\u500b\u8868\u4f54\u7528\u7a7a\u9593\u5927\u5c0f"},"content":{"rendered":"<h1 id=\"oracle%e6%9f%a5%e8%a9%a2%e6%af%8f%e5%80%8b%e8%a1%a8%e4%bd%94%e7%94%a8%e7%a9%ba%e9%96%93%e5%a4%a7%e5%b0%8f-bsyvPqCrFI\">Oracle\u67e5\u8a62\u6bcf\u500b\u8868\u4f54\u7528\u7a7a\u9593\u5927\u5c0f<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u4e86\u89e3\u6bcf\u500b\u8868\u4f54\u7528\u7684\u7a7a\u9593\u5927\u5c0f\u662f\u975e\u5e38\u91cd\u8981\u7684\uff0c\u7279\u5225\u662f\u5728\u4f7f\u7528Oracle\u6578\u64da\u5eab\u6642\u3002\u9019\u4e0d\u50c5\u6709\u52a9\u65bc\u512a\u5316\u6578\u64da\u5eab\u6027\u80fd\uff0c\u9084\u80fd\u6709\u6548\u7ba1\u7406\u5b58\u5132\u8cc7\u6e90\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728Oracle\u4e2d\u67e5\u8a62\u6bcf\u500b\u8868\u7684\u7a7a\u9593\u4f54\u7528\u60c5\u6cc1\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684SQL\u67e5\u8a62\u793a\u4f8b\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e6%9f%a5%e8%a9%a2%e8%a1%a8%e7%9a%84%e7%a9%ba%e9%96%93%e4%bd%94%e7%94%a8%e5%a4%a7%e5%b0%8f%ef%bc%9f-bsyvPqCrFI\">\u70ba\u4ec0\u9ebc\u9700\u8981\u67e5\u8a62\u8868\u7684\u7a7a\u9593\u4f54\u7528\u5927\u5c0f\uff1f<\/h2>\n<p>\u96a8\u8457\u6578\u64da\u7684\u589e\u9577\uff0c\u6578\u64da\u5eab\u7684\u7a7a\u9593\u7ba1\u7406\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002\u67e5\u8a62\u6bcf\u500b\u8868\u7684\u7a7a\u9593\u4f54\u7528\u5927\u5c0f\u53ef\u4ee5\u5e6b\u52a9\u6578\u64da\u5eab\u7ba1\u7406\u54e1\uff08DBA\uff09\uff1a<\/p>\n<ul>\n<li>\u8b58\u5225\u4f54\u7528\u904e\u591a\u7a7a\u9593\u7684\u8868\uff0c\u9032\u884c\u512a\u5316\u6216\u6e05\u7406\u3002<\/li>\n<li>\u76e3\u63a7\u6578\u64da\u5eab\u7684\u5b58\u5132\u4f7f\u7528\u60c5\u6cc1\uff0c\u907f\u514d\u5b58\u5132\u4e0d\u8db3\u7684\u554f\u984c\u3002<\/li>\n<li>\u9032\u884c\u5bb9\u91cf\u898f\u5283\uff0c\u78ba\u4fdd\u672a\u4f86\u7684\u6578\u64da\u589e\u9577\u4e0d\u6703\u5f71\u97ff\u7cfb\u7d71\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%9f%a5%e8%a9%a2%e8%a1%a8%e7%9a%84%e7%a9%ba%e9%96%93%e4%bd%94%e7%94%a8%e5%a4%a7%e5%b0%8f-bsyvPqCrFI\">\u67e5\u8a62\u8868\u7684\u7a7a\u9593\u4f54\u7528\u5927\u5c0f<\/h2>\n<p>\u5728Oracle\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u67e5\u8a62\u4f86\u7372\u53d6\u6bcf\u500b\u8868\u7684\u7a7a\u9593\u4f54\u7528\u5927\u5c0f\uff1a<\/p>\n<pre><code>\nSELECT \n    segment_name AS \u8868\u540d,\n    SUM(bytes) \/ 1024 \/ 1024 AS \u7a7a\u9593\u5927\u5c0f_MB\nFROM \n    user_segments\nWHERE \n    segment_type = 'TABLE'\nGROUP BY \n    segment_name\nORDER BY \n    \u7a7a\u9593\u5927\u5c0f_MB DESC;\n<\/code><\/pre>\n<p>\u9019\u6bb5\u67e5\u8a62\u7684\u89e3\u91cb\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li><code>segment_name<\/code>\uff1a\u8868\u793a\u8868\u7684\u540d\u7a31\u3002<\/li>\n<li><code>SUM(bytes)<\/code>\uff1a\u8a08\u7b97\u6bcf\u500b\u8868\u4f54\u7528\u7684\u7e3d\u5b57\u7bc0\u6578\u3002<\/li>\n<li><code>\/ 1024 \/ 1024<\/code>\uff1a\u5c07\u5b57\u7bc0\u8f49\u63db\u70baMB\u3002<\/li>\n<li><code>user_segments<\/code>\uff1a\u9019\u662f\u4e00\u500b\u7cfb\u7d71\u8996\u5716\uff0c\u5305\u542b\u7576\u524d\u7528\u6236\u7684\u6240\u6709\u6bb5\u4fe1\u606f\u3002<\/li>\n<li><code>segment_type = 'TABLE'<\/code>\uff1a\u904e\u6ffe\u51fa\u985e\u578b\u70ba\u8868\u7684\u6bb5\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%9f%a5%e8%a9%a2%e7%89%b9%e5%ae%9a%e7%94%a8%e6%88%b6%e7%9a%84%e8%a1%a8%e7%a9%ba%e9%96%93%e4%bd%94%e7%94%a8-bsyvPqCrFI\">\u67e5\u8a62\u7279\u5b9a\u7528\u6236\u7684\u8868\u7a7a\u9593\u4f54\u7528<\/h2>\n<p>\u5982\u679c\u9700\u8981\u67e5\u8a62\u7279\u5b9a\u7528\u6236\u7684\u8868\u7a7a\u9593\u4f54\u7528\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\uff1a<\/p>\n<pre><code>\nSELECT \n    segment_name AS \u8868\u540d,\n    SUM(bytes) \/ 1024 \/ 1024 AS \u7a7a\u9593\u5927\u5c0f_MB\nFROM \n    dba_segments\nWHERE \n    segment_type = 'TABLE'\n    AND owner = '\u7528\u6236\u540d'\nGROUP BY \n    segment_name\nORDER BY \n    \u7a7a\u9593\u5927\u5c0f_MB DESC;\n<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c<code>dba_segments<\/code>\u8996\u5716\u63d0\u4f9b\u4e86\u6240\u6709\u7528\u6236\u7684\u6bb5\u4fe1\u606f\uff0c\u800c<code>owner<\/code>\u689d\u4ef6\u5247\u7528\u65bc\u6307\u5b9a\u7279\u5b9a\u7528\u6236\u3002<\/p>\n<h2 id=\"%e6%9f%a5%e8%a9%a2%e8%a1%a8%e7%9a%84%e8%a1%8c%e6%95%b8%e5%92%8c%e7%a9%ba%e9%96%93%e4%bd%bf%e7%94%a8%e6%83%85%e6%b3%81-bsyvPqCrFI\">\u67e5\u8a62\u8868\u7684\u884c\u6578\u548c\u7a7a\u9593\u4f7f\u7528\u60c5\u6cc1<\/h2>\n<p>\u9664\u4e86\u67e5\u8a62\u8868\u7684\u7a7a\u9593\u4f54\u7528\u5927\u5c0f\u5916\uff0c\u9084\u53ef\u4ee5\u540c\u6642\u67e5\u8a62\u8868\u7684\u884c\u6578\uff0c\u4ee5\u4fbf\u66f4\u5168\u9762\u5730\u4e86\u89e3\u8868\u7684\u4f7f\u7528\u60c5\u6cc1\uff1a<\/p>\n<pre><code>\nSELECT \n    a.table_name AS \u8868\u540d,\n    b.num_rows AS \u884c\u6578,\n    SUM(a.bytes) \/ 1024 \/ 1024 AS \u7a7a\u9593\u5927\u5c0f_MB\nFROM \n    user_segments a\nJOIN \n    user_tables b ON a.segment_name = b.table_name\nWHERE \n    a.segment_type = 'TABLE'\nGROUP BY \n    a.table_name, b.num_rows\nORDER BY \n    \u7a7a\u9593\u5927\u5c0f_MB DESC;\n<\/code><\/pre>\n<p>\u9019\u6bb5\u67e5\u8a62\u7d50\u5408\u4e86<code>user_tables<\/code>\u8996\u5716\uff0c\u63d0\u4f9b\u4e86\u6bcf\u500b\u8868\u7684\u884c\u6578\u548c\u7a7a\u9593\u5927\u5c0f\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-bsyvPqCrFI\">\u7e3d\u7d50<\/h2>\n<p>\u4e86\u89e3Oracle\u6578\u64da\u5eab\u4e2d\u6bcf\u500b\u8868\u7684\u7a7a\u9593\u4f54\u7528\u5927\u5c0f\u5c0d\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u4e0a\u8ff0\u67e5\u8a62\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u7372\u53d6\u6240\u9700\u7684\u4fe1\u606f\uff0c\u5f9e\u800c\u9032\u884c\u6709\u6548\u7684\u6578\u64da\u5eab\u7ba1\u7406\u548c\u512a\u5316\u3002\u5982\u679c\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u4f86\u63d0\u5347\u60a8\u7684\u696d\u52d9\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4f7f\u7528Oracle\u67e5\u8a62\u6bcf\u500b\u8868\u7684\u7a7a\u9593\u4f54\u7528\u5927\u5c0f\uff0c\u512a\u5316\u6578\u64da\u5eab\u6027\u80fd\uff0c\u63d0\u5347\u7ba1\u7406\u6548\u7387\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-94872","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/94872","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=94872"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/94872\/revisions"}],"predecessor-version":[{"id":94873,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/94872\/revisions\/94873"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=94872"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=94872"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=94872"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}