{"id":94630,"date":"2024-10-19T19:51:18","date_gmt":"2024-10-19T11:51:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/94630\/"},"modified":"2024-10-19T19:51:19","modified_gmt":"2024-10-19T11:51:19","slug":"oracle-%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a4%87%e8%a3%bd%ef%bc%9a%e7%b0%a1%e5%96%ae%e5%af%a6%e7%94%a8%e7%9a%84%e4%b8%80%e5%88%97%e8%a4%87%e8%a3%bd%e6%96%b9%e6%b3%95-oracle-%e5%a6%82%e4%bd%95%e8%a4%87","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/94630\/","title":{"rendered":"Oracle \u6578\u64da\u5eab\u8907\u88fd\uff1a\u7c21\u55ae\u5be6\u7528\u7684\u4e00\u5217\u8907\u88fd\u65b9\u6cd5 (oracle \u5982\u4f55\u8907\u88fd\u4e00\u5217\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"oracle-%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a4%87%e8%a3%bd%ef%bc%9a%e7%b0%a1%e5%96%ae%e5%af%a6%e7%94%a8%e7%9a%84%e4%b8%80%e5%88%97%e8%a4%87%e8%a3%bd%e6%96%b9%e6%b3%95-AhkwOmwDSb\">Oracle \u6578\u64da\u5eab\u8907\u88fd\uff1a\u7c21\u55ae\u5be6\u7528\u7684\u4e00\u5217\u8907\u88fd\u65b9\u6cd5<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u6578\u64da\u7684\u8907\u88fd\u662f\u4e00\u9805\u91cd\u8981\u7684\u4efb\u52d9\u3002Oracle \u6578\u64da\u5eab\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u8907\u88fd\u6578\u64da\uff0c\u7121\u8ad6\u662f\u6574\u500b\u8868\u9084\u662f\u7279\u5b9a\u7684\u5217\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728 Oracle \u6578\u64da\u5eab\u4e2d\u8907\u88fd\u4e00\u5217\u6578\u64da\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u6b65\u9a5f\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e8%a4%87%e8%a3%bd%e6%95%b8%e6%93%9a%e5%88%97%ef%bc%9f-AhkwOmwDSb\">\u70ba\u4ec0\u9ebc\u9700\u8981\u8907\u88fd\u6578\u64da\u5217\uff1f<\/h2>\n<p>\u8907\u88fd\u6578\u64da\u5217\u7684\u539f\u56e0\u6709\u5f88\u591a\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u6578\u64da\u5099\u4efd\uff1a\u5728\u9032\u884c\u6578\u64da\u64cd\u4f5c\u4e4b\u524d\uff0c\u4fdd\u7559\u539f\u59cb\u6578\u64da\u7684\u526f\u672c\u3002<\/li>\n<li>\u6578\u64da\u9077\u79fb\uff1a\u5c07\u6578\u64da\u5f9e\u4e00\u500b\u8868\u79fb\u52d5\u5230\u53e6\u4e00\u500b\u8868\u3002<\/li>\n<li>\u6578\u64da\u5206\u6790\uff1a\u5728\u9032\u884c\u6578\u64da\u5206\u6790\u6642\uff0c\u53ef\u80fd\u9700\u8981\u5c0d\u67d0\u4e9b\u5217\u9032\u884c\u8907\u88fd\u4ee5\u4fbf\u9032\u884c\u6bd4\u8f03\u6216\u8a08\u7b97\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a4%87%e8%a3%bd%e4%b8%80%e5%88%97%e6%95%b8%e6%93%9a%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%96%b9%e6%b3%95-AhkwOmwDSb\">\u8907\u88fd\u4e00\u5217\u6578\u64da\u7684\u57fa\u672c\u65b9\u6cd5<\/h2>\n<p>\u5728 Oracle \u6578\u64da\u5eab\u4e2d\uff0c\u8907\u88fd\u4e00\u5217\u6578\u64da\u7684\u6700\u5e38\u898b\u65b9\u6cd5\u662f\u4f7f\u7528 SQL \u8a9e\u53e5\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8-insert-into-%e8%aa%9e%e5%8f%a5-AhkwOmwDSb\">1. \u4f7f\u7528 INSERT INTO \u8a9e\u53e5<\/h3>\n<p>\u5982\u679c\u60a8\u60f3\u5c07\u4e00\u5217\u6578\u64da\u5f9e\u4e00\u500b\u8868\u8907\u88fd\u5230\u53e6\u4e00\u500b\u8868\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u8a9e\u53e5\uff1a<\/p>\n<pre><code>INSERT INTO \u76ee\u6a19\u8868 (\u76ee\u6a19\u5217)\nSELECT \u6e90\u5217\nFROM \u6e90\u8868;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5047\u8a2d\u60a8\u6709\u4e00\u500b\u540d\u70ba <code>employees<\/code> \u7684\u8868\uff0c\u60a8\u60f3\u5c07 <code>salary<\/code> \u5217\u7684\u6578\u64da\u8907\u88fd\u5230\u53e6\u4e00\u500b\u540d\u70ba <code>salary_backup<\/code> \u7684\u8868\u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\uff1a<\/p>\n<pre><code>INSERT INTO salary_backup (salary)\nSELECT salary\nFROM employees;<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8-update-%e8%aa%9e%e5%8f%a5-AhkwOmwDSb\">2. \u4f7f\u7528 UPDATE \u8a9e\u53e5<\/h3>\n<p>\u5982\u679c\u60a8\u60f3\u5728\u540c\u4e00\u500b\u8868\u4e2d\u8907\u88fd\u4e00\u5217\u6578\u64da\u5230\u53e6\u4e00\u5217\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>UPDATE<\/code> \u8a9e\u53e5\uff1a<\/p>\n<pre><code>UPDATE \u8868\u540d\nSET \u76ee\u6a19\u5217 = \u6e90\u5217;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5047\u8a2d\u60a8\u60f3\u5c07 <code>bonus<\/code> \u5217\u7684\u6578\u64da\u8907\u88fd\u5230 <code>salary<\/code> \u5217\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\uff1a<\/p>\n<pre><code>UPDATE employees\nSET salary = bonus;<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8-pl-sql-%e7%a8%8b%e5%ba%8f-AhkwOmwDSb\">3. \u4f7f\u7528 PL\/SQL \u7a0b\u5e8f<\/h3>\n<p>\u5c0d\u65bc\u66f4\u8907\u96dc\u7684\u6578\u64da\u8907\u88fd\u9700\u6c42\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 PL\/SQL \u7a0b\u5e8f\u4f86\u5be6\u73fe\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684 PL\/SQL \u7bc4\u4f8b\uff1a<\/p>\n<pre><code>DECLARE\n    v_salary employees.salary%TYPE;\nBEGIN\n    SELECT salary INTO v_salary FROM employees WHERE employee_id = 1;\n    INSERT INTO salary_backup (salary) VALUES (v_salary);\nEND;<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c07\u5f9e <code>employees<\/code> \u8868\u4e2d\u9078\u64c7\u4e00\u540d\u54e1\u5de5\u7684\u85aa\u6c34\uff0c\u7136\u5f8c\u5c07\u5176\u63d2\u5165\u5230 <code>salary_backup<\/code> \u8868\u4e2d\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-AhkwOmwDSb\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u9032\u884c\u6578\u64da\u8907\u88fd\u6642\uff0c\u8acb\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u76ee\u6a19\u8868\u7684\u7d50\u69cb\u8207\u6e90\u8868\u76f8\u7b26\uff0c\u4ee5\u907f\u514d\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\u7684\u554f\u984c\u3002<\/li>\n<li>\u5728\u9032\u884c\u5927\u898f\u6a21\u6578\u64da\u8907\u88fd\u6642\uff0c\u8003\u616e\u4f7f\u7528\u4e8b\u52d9\u4f86\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/li>\n<li>\u5728\u8907\u88fd\u6578\u64da\u4e4b\u524d\uff0c\u6700\u597d\u5148\u9032\u884c\u6578\u64da\u5099\u4efd\uff0c\u4ee5\u9632\u6b62\u610f\u5916\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-AhkwOmwDSb\">\u7e3d\u7d50<\/h2>\n<p>Oracle \u6578\u64da\u5eab\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u8907\u88fd\u6578\u64da\u5217\uff0c\u7121\u8ad6\u662f\u4f7f\u7528 SQL \u8a9e\u53e5\u9084\u662f PL\/SQL \u7a0b\u5e8f\uff0c\u9019\u4e9b\u65b9\u6cd5\u90fd\u80fd\u6709\u6548\u5730\u6eff\u8db3\u4e0d\u540c\u7684\u9700\u6c42\u3002\u4e86\u89e3\u9019\u4e9b\u57fa\u672c\u64cd\u4f5c\u5f8c\uff0c\u60a8\u53ef\u4ee5\u66f4\u9748\u6d3b\u5730\u7ba1\u7406\u548c\u64cd\u4f5c\u6578\u64da\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u64cd\u4f5c\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u9069\u5408\u5404\u7a2e\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528\u7c21\u55ae\u5be6\u7528\u7684\u65b9\u6cd5\u5728Oracle\u6578\u64da\u5eab\u4e2d\u8907\u88fd\u4e00\u5217\u6578\u64da\uff0c\u63d0\u5347\u6578\u64da\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-94630","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/94630","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=94630"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/94630\/revisions"}],"predecessor-version":[{"id":94631,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/94630\/revisions\/94631"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=94630"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=94630"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=94630"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}