{"id":95340,"date":"2024-10-20T00:14:15","date_gmt":"2024-10-19T16:14:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/95340\/"},"modified":"2024-10-20T00:14:16","modified_gmt":"2024-10-19T16:14:16","slug":"oracle%e5%af%a6%e4%be%8bintroduction","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/95340\/","title":{"rendered":"Oracle\u5be6\u4f8bIntroduction"},"content":{"rendered":"<h1 id=\"oracle%e5%af%a6%e4%be%8b%e4%bb%8b%e7%b4%b9-XojlteKDMk\">Oracle\u5be6\u4f8b\u4ecb\u7d39<\/h1>\n<p>Oracle\u6578\u64da\u5eab\u662f\u4e00\u500b\u5f37\u5927\u7684\u95dc\u4fc2\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08RDBMS\uff09\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u4f01\u696d\u7d1a\u61c9\u7528\u4e2d\u3002\u5b83\u7684\u6838\u5fc3\u7d44\u4ef6\u4e4b\u4e00\u662f\u201c\u5be6\u4f8b\u201d\uff0c\u9019\u662f\u7406\u89e3Oracle\u6578\u64da\u5eab\u904b\u4f5c\u7684\u95dc\u9375\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eOracle\u5be6\u4f8b\u7684\u6982\u5ff5\u3001\u7d44\u6210\u90e8\u5206\u53ca\u5176\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\u7684\u91cd\u8981\u6027\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%aforacle%e5%af%a6%e4%be%8b%ef%bc%9f-XojlteKDMk\">\u4ec0\u9ebc\u662fOracle\u5be6\u4f8b\uff1f<\/h2>\n<p>\u5728Oracle\u6578\u64da\u5eab\u4e2d\uff0c\u5be6\u4f8b\u662f\u6307\u4e00\u7d44\u5167\u5b58\u7d50\u69cb\u548c\u80cc\u666f\u9032\u7a0b\uff0c\u9019\u4e9b\u7d50\u69cb\u548c\u9032\u7a0b\u5171\u540c\u5de5\u4f5c\u4ee5\u7ba1\u7406\u6578\u64da\u5eab\u7684\u5b58\u53d6\u3002\u7c21\u55ae\u4f86\u8aaa\uff0c\u5be6\u4f8b\u662f\u6578\u64da\u5eab\u7684\u904b\u884c\u74b0\u5883\uff0c\u8ca0\u8cac\u8655\u7406\u7528\u6236\u7684\u8acb\u6c42\u4e26\u57f7\u884cSQL\u8a9e\u53e5\u3002<\/p>\n<h2 id=\"oracle%e5%af%a6%e4%be%8b%e7%9a%84%e7%b5%84%e6%88%90%e9%83%a8%e5%88%86-XojlteKDMk\">Oracle\u5be6\u4f8b\u7684\u7d44\u6210\u90e8\u5206<\/h2>\n<p>Oracle\u5be6\u4f8b\u4e3b\u8981\u7531\u4ee5\u4e0b\u5e7e\u500b\u90e8\u5206\u7d44\u6210\uff1a<\/p>\n<ul>\n<li><strong>\u5167\u5b58\u7d50\u69cb\uff1a<\/strong>\u9019\u4e9b\u662f\u7528\u65bc\u5b58\u5132\u6578\u64da\u548c\u63a7\u5236\u4fe1\u606f\u7684\u5167\u5b58\u5340\u57df\u3002\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u5e7e\u500b\u90e8\u5206\uff1a<\/li>\n<ul>\n<li><code>SGA\uff08System Global Area\uff09\uff1a<\/code>\u9019\u662f\u4e00\u500b\u5171\u4eab\u5167\u5b58\u5340\u57df\uff0c\u5305\u542b\u4e86\u6578\u64da\u5eab\u7684\u7de9\u5b58\u3001\u63a7\u5236\u4fe1\u606f\u548c\u5176\u4ed6\u91cd\u8981\u6578\u64da\u3002<\/li>\n<li><code>UGA\uff08User Global Area\uff09\uff1a<\/code>\u9019\u662f\u7528\u65bc\u5b58\u5132\u7528\u6236\u6703\u8a71\u4fe1\u606f\u7684\u5167\u5b58\u5340\u57df\uff0c\u901a\u5e38\u5728PGA\u4e2d\u3002<\/li>\n<li><code>PGA\uff08Program Global Area\uff09\uff1a<\/code>\u9019\u662f\u7528\u65bc\u5b58\u5132\u7528\u6236\u9032\u7a0b\u7684\u79c1\u6709\u6578\u64da\u548c\u63a7\u5236\u4fe1\u606f\u7684\u5167\u5b58\u5340\u57df\u3002<\/li>\n<\/ul>\n<li><strong>\u80cc\u666f\u9032\u7a0b\uff1a<\/strong>\u9019\u4e9b\u662f\u904b\u884c\u5728Oracle\u5be6\u4f8b\u4e2d\u7684\u9032\u7a0b\uff0c\u8ca0\u8cac\u57f7\u884c\u5404\u7a2e\u4efb\u52d9\u3002\u4e3b\u8981\u7684\u80cc\u666f\u9032\u7a0b\u5305\u62ec\uff1a<\/li>\n<ul>\n<li><code>DBWn\uff08Database Writer\uff09\uff1a<\/code>\u8ca0\u8cac\u5c07\u7de9\u5b58\u4e2d\u7684\u6578\u64da\u5beb\u5165\u6578\u64da\u6587\u4ef6\u3002<\/li>\n<li><code>LGWR\uff08Log Writer\uff09\uff1a<\/code>\u8ca0\u8cac\u5c07\u91cd\u505a\u65e5\u8a8c\u5beb\u5165\u65e5\u8a8c\u6587\u4ef6\u3002<\/li>\n<li><code>CKPT\uff08Checkpoint\uff09\uff1a<\/code>\u8ca0\u8cac\u66f4\u65b0\u6578\u64da\u5eab\u7684\u63a7\u5236\u6587\u4ef6\u548c\u6578\u64da\u6587\u4ef6\u7684\u6a19\u8a18\u3002<\/li>\n<li><code>SMON\uff08System Monitor\uff09\uff1a<\/code>\u8ca0\u8cac\u7cfb\u7d71\u7684\u6062\u5fa9\u548c\u6e05\u7406\u5de5\u4f5c\u3002<\/li>\n<li><code>PMON\uff08Process Monitor\uff09\uff1a<\/code>\u8ca0\u8cac\u76e3\u63a7\u548c\u6e05\u7406\u5931\u6557\u7684\u7528\u6236\u9032\u7a0b\u3002<\/li>\n<\/ul>\n<\/ul>\n<h2 id=\"oracle%e5%af%a6%e4%be%8b%e7%9a%84%e5%95%9f%e5%8b%95%e8%88%87%e9%97%9c%e9%96%89-XojlteKDMk\">Oracle\u5be6\u4f8b\u7684\u555f\u52d5\u8207\u95dc\u9589<\/h2>\n<p>\u555f\u52d5\u548c\u95dc\u9589Oracle\u5be6\u4f8b\u662f\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\u7684\u57fa\u672c\u64cd\u4f5c\u3002\u555f\u52d5\u5be6\u4f8b\u7684\u904e\u7a0b\u5305\u62ec\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<pre><code>STARTUP;\n<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u6703\u555f\u52d5\u5be6\u4f8b\u4e26\u6253\u958b\u6578\u64da\u5eab\u3002\u95dc\u9589\u5be6\u4f8b\u5247\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>SHUTDOWN;\n<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u6703\u5b89\u5168\u5730\u95dc\u9589\u6578\u64da\u5eab\uff0c\u78ba\u4fdd\u6240\u6709\u7684\u6578\u64da\u90fd\u5df2\u7d93\u5beb\u5165\u78c1\u789f\u3002<\/p>\n<h2 id=\"%e5%af%a6%e4%be%8b%e7%9a%84%e5%a4%9a%e9%87%8d%e6%80%a7-XojlteKDMk\">\u5be6\u4f8b\u7684\u591a\u91cd\u6027<\/h2>\n<p>\u5728Oracle\u4e2d\uff0c\u53ef\u4ee5\u540c\u6642\u904b\u884c\u591a\u500b\u5be6\u4f8b\uff0c\u9019\u88ab\u7a31\u70ba\u201c\u591a\u5be6\u4f8b\u201d\u6216\u201cOracle Real Application Clusters (RAC)\u201d\u3002\u9019\u7a2e\u67b6\u69cb\u5141\u8a31\u591a\u500b\u5be6\u4f8b\u5171\u4eab\u540c\u4e00\u500b\u6578\u64da\u5eab\uff0c\u5f9e\u800c\u63d0\u9ad8\u53ef\u7528\u6027\u548c\u64f4\u5c55\u6027\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-XojlteKDMk\">\u7d50\u8ad6<\/h2>\n<p>Oracle\u5be6\u4f8b\u662f\u6578\u64da\u5eab\u904b\u884c\u7684\u6838\u5fc3\u7d44\u4ef6\uff0c\u7406\u89e3\u5176\u7d44\u6210\u548c\u529f\u80fd\u5c0d\u65bc\u6709\u6548\u7ba1\u7406Oracle\u6578\u64da\u5eab\u81f3\u95dc\u91cd\u8981\u3002\u7121\u8ad6\u662f\u5167\u5b58\u7d50\u69cb\u9084\u662f\u80cc\u666f\u9032\u7a0b\uff0c\u9019\u4e9b\u5143\u7d20\u5171\u540c\u5354\u4f5c\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u5b89\u5168\u6027\u548c\u53ef\u7528\u6027\u3002\u5c0d\u65bc\u5e0c\u671b\u5728\u9999\u6e2f\u5c0b\u627e\u9ad8\u6548\u80fd\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u7684\u7528\u6236\uff0c\u4e86\u89e3Oracle\u5be6\u4f8b\u7684\u904b\u4f5c\u539f\u7406\u5c07\u6709\u52a9\u65bc\u66f4\u597d\u5730\u5229\u7528\u5176\u529f\u80fd\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u548c<a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Discover the fundamentals of Oracle instances, their architecture, and how they manage database operations efficiently in this comprehensive introduction.<\/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-95340","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95340","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=95340"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95340\/revisions"}],"predecessor-version":[{"id":95341,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95340\/revisions\/95341"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=95340"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=95340"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=95340"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}