{"id":188980,"date":"2024-11-12T03:31:21","date_gmt":"2024-11-11T19:31:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/188980\/"},"modified":"2024-11-12T03:31:22","modified_gmt":"2024-11-11T19:31:22","slug":"%e6%8f%90%e9%ab%98oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e6%95%88%e7%8e%87%e7%9a%84%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/188980\/","title":{"rendered":"\u63d0\u9ad8Oracle\u6578\u64da\u5eab\u6548\u7387\u7684\u65b9\u6cd5"},"content":{"rendered":"<h1 id=\"%e6%8f%90%e9%ab%98oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e6%95%88%e7%8e%87%e7%9a%84%e6%96%b9%e6%b3%95-FhnuvaihOs\">\u63d0\u9ad8Oracle\u6578\u64da\u5eab\u6548\u7387\u7684\u65b9\u6cd5<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u5c0d\u65bc\u4f01\u696d\u7684\u6210\u529f\u81f3\u95dc\u91cd\u8981\u3002Oracle\u6578\u64da\u5eab\u4f5c\u70ba\u4e00\u500b\u5f37\u5927\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u884c\u696d\u3002\u70ba\u4e86\u63d0\u9ad8Oracle\u6578\u64da\u5eab\u7684\u6548\u7387\uff0c\u4f01\u696d\u9700\u8981\u63a1\u53d6\u4e00\u7cfb\u5217\u6700\u4f73\u5be6\u8e10\u548c\u6280\u8853\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5e7e\u7a2e\u6709\u6548\u7684\u65b9\u6cd5\u4f86\u512a\u5316Oracle\u6578\u64da\u5eab\u7684\u6027\u80fd\u3002<\/p>\n<h2 id=\"1-%e5%84%aa%e5%8c%96%e6%9f%a5%e8%a9%a2%e6%80%a7%e8%83%bd-FhnuvaihOs\">1. \u512a\u5316\u67e5\u8a62\u6027\u80fd<\/h2>\n<p>\u67e5\u8a62\u6027\u80fd\u662f\u5f71\u97ff\u6578\u64da\u5eab\u6548\u7387\u7684\u95dc\u9375\u56e0\u7d20\u4e4b\u4e00\u3002\u70ba\u4e86\u512a\u5316\u67e5\u8a62\u6027\u80fd\uff0c\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\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\u5728\u7d93\u5e38\u67e5\u8a62\u7684\u5217\u4e0a\u5275\u5efa\u9069\u7576\u7684\u7d22\u5f15\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u4e00\u500b\u5305\u542b\u5927\u91cf\u6578\u64da\u7684\u5ba2\u6236\u8868\uff0c\u53ef\u4ee5\u5728\u5ba2\u6236ID\u4e0a\u5275\u5efa\u7d22\u5f15\uff1a<\/li>\n<pre><code>CREATE INDEX idx_customer_id ON customers(customer_id);<\/code><\/pre>\n<li><strong>\u907f\u514d\u5168\u8868\u6383\u63cf\uff1a<\/strong>\u5168\u8868\u6383\u63cf\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\uff0c\u61c9\u76e1\u91cf\u907f\u514d\u3002\u53ef\u4ee5\u901a\u904e\u4f7f\u7528WHERE\u5b50\u53e5\u4f86\u9650\u5236\u67e5\u8a62\u7bc4\u570d\u3002<\/li>\n<li><strong>\u4f7f\u7528EXPLAIN\u8a08\u5283\uff1a<\/strong>\u4f7f\u7528EXPLAIN\u547d\u4ee4\u4f86\u5206\u6790\u67e5\u8a62\u7684\u57f7\u884c\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%e9%85%8d%e7%bd%ae-FhnuvaihOs\">2. \u8abf\u6574\u6578\u64da\u5eab\u914d\u7f6e<\/h2>\n<p>\u6578\u64da\u5eab\u7684\u914d\u7f6e\u5c0d\u6027\u80fd\u6709\u76f4\u63a5\u5f71\u97ff\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u8abf\u6574\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u5167\u5b58\u914d\u7f6e\uff1a<\/strong>\u78ba\u4fdd\u5206\u914d\u8db3\u5920\u7684\u5167\u5b58\u7d66Oracle\u6578\u64da\u5eab\u3002\u53ef\u4ee5\u901a\u904e\u8abf\u6574SGA\uff08\u7cfb\u7d71\u5168\u5c40\u5340\uff09\u548cPGA\uff08\u7a0b\u5e8f\u5168\u5c40\u5340\uff09\u4f86\u512a\u5316\u5167\u5b58\u4f7f\u7528\u3002<\/li>\n<li><strong>\u4e26\u884c\u8655\u7406\uff1a<\/strong>\u6839\u64da\u696d\u52d9\u9700\u6c42\u8abf\u6574\u4e26\u884c\u8655\u7406\u7684\u8a2d\u7f6e\uff0c\u4ee5\u63d0\u9ad8\u67e5\u8a62\u548c\u6578\u64da\u8655\u7406\u7684\u6548\u7387\u3002<\/li>\n<li><strong>\u6a94\u6848\u7cfb\u7d71\u914d\u7f6e\uff1a<\/strong>\u9078\u64c7\u5408\u9069\u7684\u6a94\u6848\u7cfb\u7d71\u548c\u5b58\u5132\u8a2d\u5099\uff0c\u4ee5\u63d0\u9ad8I\/O\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"3-%e5%ae%9a%e6%9c%9f%e7%b6%ad%e8%ad%b7%e6%95%b8%e6%93%9a%e5%ba%ab-FhnuvaihOs\">3. \u5b9a\u671f\u7dad\u8b77\u6578\u64da\u5eab<\/h2>\n<p>\u5b9a\u671f\u7684\u6578\u64da\u5eab\u7dad\u8b77\u53ef\u4ee5\u9632\u6b62\u6027\u80fd\u4e0b\u964d\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\u4e0d\u518d\u9ad8\u6548\u3002\u5b9a\u671f\u91cd\u5efa\u7d22\u5f15\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff1a<\/li>\n<pre><code>ALTER INDEX idx_customer_id REBUILD;<\/code><\/pre>\n<li><strong>\u66f4\u65b0\u7d71\u8a08\u4fe1\u606f\uff1a<\/strong>\u78ba\u4fdd\u7d71\u8a08\u4fe1\u606f\u662f\u6700\u65b0\u7684\uff0c\u4ee5\u4fbf\u67e5\u8a62\u512a\u5316\u5668\u80fd\u5920\u505a\u51fa\u6700\u4f73\u7684\u57f7\u884c\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-FhnuvaihOs\">4. \u4f7f\u7528\u5206\u5340\u6280\u8853<\/h2>\n<p>\u5c0d\u65bc\u5927\u578b\u6578\u64da\u96c6\uff0c\u4f7f\u7528\u5206\u5340\u6280\u8853\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6027\u80fd\u3002\u901a\u904e\u5c07\u8868\u5206\u6210\u591a\u500b\u5206\u5340\uff0c\u53ef\u4ee5\u52a0\u5feb\u67e5\u8a62\u901f\u5ea6\u548c\u6578\u64da\u7ba1\u7406\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u6839\u64da\u65e5\u671f\u5c07\u92b7\u552e\u6578\u64da\u8868\u9032\u884c\u5206\u5340\uff1a<\/p>\n<pre><code>CREATE TABLE sales (\n    sale_id NUMBER,\n    sale_date DATE,\n    amount NUMBER\n) PARTITION BY RANGE (sale_date) (\n    PARTITION p1 VALUES LESS THAN (TO_DATE('2023-01-01', 'YYYY-MM-DD')),\n    PARTITION p2 VALUES LESS THAN (TO_DATE('2024-01-01', 'YYYY-MM-DD'))\n);<\/code><\/pre>\n<h2 id=\"5-%e7%9b%a3%e6%8e%a7%e5%92%8c%e8%aa%bf%e6%95%b4%e6%80%a7%e8%83%bd-FhnuvaihOs\">5. \u76e3\u63a7\u548c\u8abf\u6574\u6027\u80fd<\/h2>\n<p>\u6301\u7e8c\u76e3\u63a7\u6578\u64da\u5eab\u6027\u80fd\u662f\u78ba\u4fdd\u5176\u9ad8\u6548\u904b\u884c\u7684\u95dc\u9375\u3002\u53ef\u4ee5\u4f7f\u7528Oracle\u63d0\u4f9b\u7684\u6027\u80fd\u76e3\u63a7\u5de5\u5177\uff0c\u5982AWR\uff08\u81ea\u52d5\u5de5\u4f5c\u8ca0\u8f09\u5831\u544a\uff09\u548cASH\uff08\u6d3b\u52d5\u6703\u8a71\u6b77\u53f2\uff09\u4f86\u5206\u6790\u6027\u80fd\u554f\u984c\uff0c\u4e26\u6839\u64da\u5831\u544a\u9032\u884c\u8abf\u6574\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-FhnuvaihOs\">\u7e3d\u7d50<\/h2>\n<p>\u63d0\u9ad8Oracle\u6578\u64da\u5eab\u7684\u6548\u7387\u9700\u8981\u7d9c\u5408\u8003\u616e\u67e5\u8a62\u6027\u80fd\u3001\u6578\u64da\u5eab\u914d\u7f6e\u3001\u5b9a\u671f\u7dad\u8b77\u3001\u5206\u5340\u6280\u8853\u4ee5\u53ca\u6301\u7e8c\u76e3\u63a7\u7b49\u591a\u65b9\u9762\u7684\u56e0\u7d20\u3002\u901a\u904e\u5be6\u65bd\u9019\u4e9b\u6700\u4f73\u5be6\u8e10\uff0c\u4f01\u696d\u53ef\u4ee5\u986f\u8457\u63d0\u5347\u6578\u64da\u5eab\u7684\u6027\u80fd\uff0c\u5f9e\u800c\u652f\u6301\u696d\u52d9\u7684\u589e\u9577\u548c\u767c\u5c55\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u6258\u7ba1\u60a8\u7684\u6578\u64da\u5eab\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>\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\u6578\u64da\u5eab\u6548\u7387\u7684\u65b9\u6cd5\uff0c\u5305\u62ec\u512a\u5316\u67e5\u8a62\u3001\u8abf\u6574\u914d\u7f6e\u548c\u4f7f\u7528\u7d22\u5f15\uff0c\u63d0\u5347\u6027\u80fd\u548c\u97ff\u61c9\u901f\u5ea6\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-188980","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188980","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=188980"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188980\/revisions"}],"predecessor-version":[{"id":188981,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188980\/revisions\/188981"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=188980"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=188980"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=188980"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}