{"id":175545,"date":"2024-11-08T06:46:16","date_gmt":"2024-11-07T22:46:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/175545\/"},"modified":"2024-11-08T06:46:16","modified_gmt":"2024-11-07T22:46:16","slug":"%e5%a6%82%e4%bd%95%e6%8f%90%e9%ab%98oracle%e6%80%a7%e8%83%bd","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/175545\/","title":{"rendered":"\u5982\u4f55\u63d0\u9ad8Oracle\u6027\u80fd"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e6%8f%90%e9%ab%98oracle%e6%80%a7%e8%83%bd-gAaRXIvyna\">\u5982\u4f55\u63d0\u9ad8Oracle\u6027\u80fd<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0cOracle\u6578\u64da\u5eab\u4f5c\u70ba\u4e00\u500b\u5f37\u5927\u7684\u6578\u64da\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u884c\u696d\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u52a0\u548c\u696d\u52d9\u9700\u6c42\u7684\u8b8a\u5316\uff0c\u63d0\u5347Oracle\u6027\u80fd\u8b8a\u5f97\u5c24\u70ba\u91cd\u8981\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5e7e\u7a2e\u6709\u6548\u7684\u65b9\u6cd5\u4f86\u63d0\u9ad8Oracle\u6578\u64da\u5eab\u7684\u6027\u80fd\u3002<\/p>\n<h2 id=\"1-%e5%84%aa%e5%8c%96%e6%9f%a5%e8%a9%a2-gAaRXIvyna\">1. \u512a\u5316\u67e5\u8a62<\/h2>\n<p>\u67e5\u8a62\u6027\u80fd\u662f\u5f71\u97ff\u6574\u9ad4\u6578\u64da\u5eab\u6027\u80fd\u7684\u95dc\u9375\u56e0\u7d20\u4e4b\u4e00\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u512a\u5316\u67e5\u8a62\u7684\u6280\u5de7\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u7d22\u5f15\uff1a<\/strong>\u7d22\u5f15\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u901f\u5ea6\u3002\u78ba\u4fdd\u5c0d\u7d93\u5e38\u67e5\u8a62\u7684\u5217\u5efa\u7acb\u7d22\u5f15\uff0c\u4f46\u4e5f\u8981\u6ce8\u610f\u904e\u591a\u7684\u7d22\u5f15\u6703\u5f71\u97ff\u5beb\u5165\u6027\u80fd\u3002<\/li>\n<li><strong>\u907f\u514dSELECT *\uff1a<\/strong>\u5728\u67e5\u8a62\u4e2d\u6307\u5b9a\u6240\u9700\u7684\u5217\uff0c\u800c\u4e0d\u662f\u4f7f\u7528SELECT *\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u6578\u64da\u50b3\u8f38\u91cf\u3002<\/li>\n<li><strong>\u4f7f\u7528EXPLAIN\u8a08\u5283\uff1a<\/strong>\u4f7f\u7528EXPLAIN\u547d\u4ee4\u4f86\u5206\u6790\u67e5\u8a62\u8a08\u5283\uff0c\u627e\u51fa\u6027\u80fd\u74f6\u9838\u3002<\/li>\n<\/ul>\n<h2 id=\"2-%e8%aa%bf%e6%95%b4%e6%95%b8%e6%93%9a%e5%ba%ab%e5%8f%83%e6%95%b8-gAaRXIvyna\">2. \u8abf\u6574\u6578\u64da\u5eab\u53c3\u6578<\/h2>\n<p>Oracle\u6578\u64da\u5eab\u63d0\u4f9b\u4e86\u591a\u7a2e\u53c3\u6578\u4f86\u8abf\u6574\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u91cd\u8981\u7684\u53c3\u6578\uff1a<\/p>\n<ul>\n<li><strong>SGA\uff08System Global Area\uff09\uff1a<\/strong>\u8abf\u6574SGA\u7684\u5927\u5c0f\u53ef\u4ee5\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u7de9\u5b58\u80fd\u529b\uff0c\u5f9e\u800c\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<li><strong>PGA\uff08Program Global Area\uff09\uff1a<\/strong>PGA\u7684\u5927\u5c0f\u5f71\u97ff\u6392\u5e8f\u548c\u54c8\u5e0c\u64cd\u4f5c\u7684\u6027\u80fd\uff0c\u9069\u7576\u8abf\u6574\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002<\/li>\n<li><strong>\u4e26\u884c\u8655\u7406\uff1a<\/strong>\u6839\u64da\u9700\u8981\u555f\u7528\u4e26\u884c\u8655\u7406\uff0c\u53ef\u4ee5\u52a0\u5feb\u5927\u67e5\u8a62\u7684\u57f7\u884c\u901f\u5ea6\u3002<\/li>\n<\/ul>\n<h2 id=\"3-%e5%ae%9a%e6%9c%9f%e7%b6%ad%e8%ad%b7-gAaRXIvyna\">3. \u5b9a\u671f\u7dad\u8b77<\/h2>\n<p>\u5b9a\u671f\u7684\u6578\u64da\u5eab\u7dad\u8b77\u5c0d\u65bc\u4fdd\u6301\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u7dad\u8b77\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u91cd\u5efa\u7d22\u5f15\uff1a<\/strong>\u96a8\u8457\u6578\u64da\u7684\u589e\u9577\uff0c\u7d22\u5f15\u53ef\u80fd\u6703\u8b8a\u5f97\u788e\u7247\u5316\uff0c\u5b9a\u671f\u91cd\u5efa\u7d22\u5f15\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002<\/li>\n<li><strong>\u66f4\u65b0\u7d71\u8a08\u4fe1\u606f\uff1a<\/strong>\u78ba\u4fdd\u7d71\u8a08\u4fe1\u606f\u662f\u6700\u65b0\u7684\uff0c\u4ee5\u4fbf\u512a\u5316\u5668\u80fd\u5920\u751f\u6210\u6700\u4f73\u7684\u67e5\u8a62\u8a08\u5283\u3002<\/li>\n<li><strong>\u6e05\u7406\u7121\u7528\u6578\u64da\uff1a<\/strong>\u5b9a\u671f\u522a\u9664\u904e\u671f\u6216\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\uff0c\u4ee5\u6e1b\u5c11\u6578\u64da\u5eab\u7684\u8ca0\u64d4\u3002<\/li>\n<\/ul>\n<h2 id=\"4-%e4%bd%bf%e7%94%a8%e5%88%86%e5%8d%80%e6%8a%80%e8%a1%93-gAaRXIvyna\">4. \u4f7f\u7528\u5206\u5340\u6280\u8853<\/h2>\n<p>\u5206\u5340\u6280\u8853\u53ef\u4ee5\u5c07\u5927\u578b\u8868\u5206\u5272\u6210\u66f4\u5c0f\u7684\u90e8\u5206\uff0c\u5f9e\u800c\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002\u9019\u6a23\u53ef\u4ee5\u52a0\u5feb\u67e5\u8a62\u901f\u5ea6\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u3002\u5206\u5340\u53ef\u4ee5\u6839\u64da\u7bc4\u570d\u3001\u5217\u8868\u6216\u54c8\u5e0c\u9032\u884c\u8a2d\u7f6e\uff0c\u5177\u9ad4\u53d6\u6c7a\u65bc\u696d\u52d9\u9700\u6c42\u3002<\/p>\n<h2 id=\"5-%e7%9b%a3%e6%8e%a7%e5%92%8c%e5%88%86%e6%9e%90%e6%80%a7%e8%83%bd-gAaRXIvyna\">5. \u76e3\u63a7\u548c\u5206\u6790\u6027\u80fd<\/h2>\n<p>\u6301\u7e8c\u76e3\u63a7\u6578\u64da\u5eab\u6027\u80fd\u662f\u63d0\u9ad8\u6027\u80fd\u7684\u95dc\u9375\u3002\u4f7f\u7528Oracle\u63d0\u4f9b\u7684\u5de5\u5177\uff0c\u5982AWR\uff08Automatic Workload Repository\uff09\u548cASH\uff08Active Session History\uff09\uff0c\u53ef\u4ee5\u5e6b\u52a9\u8b58\u5225\u6027\u80fd\u74f6\u9838\u548c\u6f5b\u5728\u554f\u984c\u3002<\/p>\n<h2 id=\"6-%e7%a1%ac%e9%ab%94%e5%8d%87%e7%b4%9a-gAaRXIvyna\">6. \u786c\u9ad4\u5347\u7d1a<\/h2>\n<p>\u5982\u679c\u7d93\u904e\u512a\u5316\u5f8c\u6027\u80fd\u4ecd\u7136\u4e0d\u7406\u60f3\uff0c\u53ef\u80fd\u9700\u8981\u8003\u616e\u786c\u9ad4\u5347\u7d1a\u3002\u589e\u52a0\u5167\u5b58\u3001\u4f7f\u7528\u66f4\u5feb\u7684\u786c\u789f\u6216\u5347\u7d1aCPU\u90fd\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6578\u64da\u5eab\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-gAaRXIvyna\">\u7e3d\u7d50<\/h2>\n<p>\u63d0\u9ad8Oracle\u6027\u80fd\u9700\u8981\u7d9c\u5408\u8003\u616e\u67e5\u8a62\u512a\u5316\u3001\u6578\u64da\u5eab\u53c3\u6578\u8abf\u6574\u3001\u5b9a\u671f\u7dad\u8b77\u3001\u5206\u5340\u6280\u8853\u3001\u6027\u80fd\u76e3\u63a7\u4ee5\u53ca\u786c\u9ad4\u5347\u7d1a\u7b49\u591a\u65b9\u9762\u7684\u56e0\u7d20\u3002\u900f\u904e\u9019\u4e9b\u65b9\u6cd5\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u63d0\u5347Oracle\u6578\u64da\u5eab\u7684\u6027\u80fd\uff0c\u6eff\u8db3\u4e0d\u65b7\u589e\u9577\u7684\u696d\u52d9\u9700\u6c42\u3002\u5982\u679c\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u652f\u6301\u6216\u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8003\u616e\u6211\u5011\u7684<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u548c<a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a>\u670d\u52d9\uff0c\u4ee5\u7372\u5f97\u66f4\u597d\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u63d0\u9ad8Oracle\u6027\u80fd\u7684\u6709\u6548\u7b56\u7565\uff0c\u5305\u62ec\u4f18\u5316\u67e5\u8be2\u3001\u8c03\u6574\u914d\u7f6e\u548c\u76d1\u63a7\u7cfb\u7edf\uff0c\u4ee5\u5b9e\u73b0\u66f4\u5feb\u7684\u6570\u636e\u5904\u7406\u548c\u54cd\u5e94\u65f6\u95f4\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-175545","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175545","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=175545"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175545\/revisions"}],"predecessor-version":[{"id":175546,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175545\/revisions\/175546"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=175545"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=175545"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=175545"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}