{"id":93810,"date":"2024-10-19T17:06:20","date_gmt":"2024-10-19T09:06:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/93810\/"},"modified":"2024-10-19T17:06:21","modified_gmt":"2024-10-19T09:06:21","slug":"oracle-11g-%e8%aa%bf%e7%94%a8%e7%9b%b8%e9%97%9c%e5%87%bd%e6%95%b8%e7%9a%84-5-%e7%a8%ae%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/93810\/","title":{"rendered":"Oracle 11g \u8abf\u7528\u76f8\u95dc\u51fd\u6578\u7684 5 \u7a2e\u65b9\u6cd5"},"content":{"rendered":"<h1 id=\"oracle-11g-%e8%aa%bf%e7%94%a8%e7%9b%b8%e9%97%9c%e5%87%bd%e6%95%b8%e7%9a%84-5-%e7%a8%ae%e6%96%b9%e6%b3%95-hkSvQZhmTD\">Oracle 11g \u8abf\u7528\u76f8\u95dc\u51fd\u6578\u7684 5 \u7a2e\u65b9\u6cd5<\/h1>\n<p>\u5728 Oracle 11g \u4e2d\uff0c\u8abf\u7528\u51fd\u6578\u662f\u4e00\u500b\u5e38\u898b\u7684\u9700\u6c42\uff0c\u7121\u8ad6\u662f\u5728\u6578\u64da\u5eab\u958b\u767c\u9084\u662f\u65e5\u5e38\u7684\u6578\u64da\u64cd\u4f5c\u4e2d\u3002\u51fd\u6578\u53ef\u4ee5\u5e6b\u52a9\u6211\u5011\u57f7\u884c\u7279\u5b9a\u7684\u8a08\u7b97\u6216\u64cd\u4f5c\uff0c\u4e26\u8fd4\u56de\u7d50\u679c\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u4e94\u7a2e\u5728 Oracle 11g \u4e2d\u8abf\u7528\u76f8\u95dc\u51fd\u6578\u7684\u65b9\u6cd5\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u6709\u6548\u5730\u4f7f\u7528\u9019\u4e9b\u529f\u80fd\u3002<\/p>\n<h2 id=\"1-%e4%bd%bf%e7%94%a8-select-%e8%aa%9e%e5%8f%a5%e8%aa%bf%e7%94%a8%e5%87%bd%e6%95%b8-hkSvQZhmTD\">1. \u4f7f\u7528 SELECT \u8a9e\u53e5\u8abf\u7528\u51fd\u6578<\/h2>\n<p>\u6700\u5e38\u898b\u7684\u8abf\u7528\u51fd\u6578\u7684\u65b9\u6cd5\u662f\u901a\u904e SQL \u7684 SELECT \u8a9e\u53e5\u3002\u9019\u7a2e\u65b9\u6cd5\u53ef\u4ee5\u76f4\u63a5\u5728\u67e5\u8a62\u4e2d\u4f7f\u7528\u51fd\u6578\uff0c\u4e26\u8fd4\u56de\u8a08\u7b97\u7d50\u679c\u3002<\/p>\n<pre><code>SELECT employee_id, salary, get_bonus(salary) AS bonus\nFROM employees;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c<code>get_bonus<\/code> \u662f\u4e00\u500b\u81ea\u5b9a\u7fa9\u51fd\u6578\uff0c\u6839\u64da\u54e1\u5de5\u7684\u85aa\u6c34\u8a08\u7b97\u734e\u91d1\u3002<\/p>\n<h2 id=\"2-%e5%9c%a8-pl-sql-%e4%b8%ad%e8%aa%bf%e7%94%a8%e5%87%bd%e6%95%b8-hkSvQZhmTD\">2. \u5728 PL\/SQL \u4e2d\u8abf\u7528\u51fd\u6578<\/h2>\n<p>PL\/SQL \u662f Oracle \u7684\u904e\u7a0b\u5f0f\u8a9e\u8a00\uff0c\u5141\u8a31\u958b\u767c\u8005\u7de8\u5beb\u66f4\u8907\u96dc\u7684\u908f\u8f2f\u3002\u5728 PL\/SQL \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u51fd\u6578\u4f86\u8655\u7406\u8b8a\u91cf\u6216\u57f7\u884c\u689d\u4ef6\u908f\u8f2f\u3002<\/p>\n<pre><code>DECLARE\n    v_bonus NUMBER;\nBEGIN\n    v_bonus := get_bonus(5000);\n    DBMS_OUTPUT.PUT_LINE('Bonus: ' || v_bonus);\nEND;<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u8072\u660e\u4e86\u4e00\u500b\u8b8a\u91cf <code>v_bonus<\/code>\uff0c\u4e26\u5c07\u51fd\u6578\u7684\u8fd4\u56de\u503c\u8ce6\u7d66\u5b83\uff0c\u7136\u5f8c\u8f38\u51fa\u7d50\u679c\u3002<\/p>\n<h2 id=\"3-%e5%9c%a8%e8%a7%b8%e7%99%bc%e5%99%a8%e4%b8%ad%e8%aa%bf%e7%94%a8%e5%87%bd%e6%95%b8-hkSvQZhmTD\">3. \u5728\u89f8\u767c\u5668\u4e2d\u8abf\u7528\u51fd\u6578<\/h2>\n<p>\u89f8\u767c\u5668\u662f\u4e00\u7a2e\u7279\u6b8a\u7684 PL\/SQL \u7a0b\u5e8f\uff0c\u53ef\u4ee5\u5728\u7279\u5b9a\u4e8b\u4ef6\u767c\u751f\u6642\u81ea\u52d5\u57f7\u884c\u3002\u5728\u89f8\u767c\u5668\u4e2d\u8abf\u7528\u51fd\u6578\u53ef\u4ee5\u5be6\u73fe\u81ea\u52d5\u8a08\u7b97\u6216\u6578\u64da\u9a57\u8b49\u3002<\/p>\n<pre><code>CREATE OR REPLACE TRIGGER trg_before_insert\nBEFORE INSERT ON employees\nFOR EACH ROW\nBEGIN\n    :new.bonus := get_bonus(:new.salary);\nEND;<\/code><\/pre>\n<p>\u9019\u500b\u89f8\u767c\u5668\u5728\u63d2\u5165\u65b0\u54e1\u5de5\u8a18\u9304\u4e4b\u524d\uff0c\u81ea\u52d5\u8a08\u7b97\u4e26\u8a2d\u7f6e\u734e\u91d1\u3002<\/p>\n<h2 id=\"4-%e5%9c%a8%e8%a6%96%e5%9c%96%e4%b8%ad%e8%aa%bf%e7%94%a8%e5%87%bd%e6%95%b8-hkSvQZhmTD\">4. \u5728\u8996\u5716\u4e2d\u8abf\u7528\u51fd\u6578<\/h2>\n<p>\u8996\u5716\u662f\u4e00\u7a2e\u865b\u64ec\u8868\uff0c\u53ef\u4ee5\u7528\u4f86\u7c21\u5316\u67e5\u8a62\u3002\u5728\u5275\u5efa\u8996\u5716\u6642\uff0c\u53ef\u4ee5\u8abf\u7528\u51fd\u6578\u4f86\u8a08\u7b97\u67d0\u4e9b\u5b57\u6bb5\u7684\u503c\u3002<\/p>\n<pre><code>CREATE VIEW employee_view AS\nSELECT employee_id, salary, get_bonus(salary) AS bonus\nFROM employees;<\/code><\/pre>\n<p>\u9019\u6a23\uff0c\u7576\u67e5\u8a62 <code>employee_view<\/code> \u6642\uff0c\u5c07\u81ea\u52d5\u8a08\u7b97\u6bcf\u4f4d\u54e1\u5de5\u7684\u734e\u91d1\u3002<\/p>\n<h2 id=\"5-%e5%9c%a8%e5%a0%b1%e5%91%8a%e4%b8%ad%e8%aa%bf%e7%94%a8%e5%87%bd%e6%95%b8-hkSvQZhmTD\">5. \u5728\u5831\u544a\u4e2d\u8abf\u7528\u51fd\u6578<\/h2>\n<p>\u5728\u751f\u6210\u5831\u544a\u6642\uff0c\u51fd\u6578\u53ef\u4ee5\u7528\u4f86\u683c\u5f0f\u5316\u6216\u8a08\u7b97\u6578\u64da\u3002\u9019\u5728\u4f7f\u7528 Oracle Reports \u6216\u5176\u4ed6\u5831\u544a\u5de5\u5177\u6642\u7279\u5225\u6709\u7528\u3002<\/p>\n<pre><code>SELECT employee_id, salary, get_bonus(salary) AS bonus\nFROM employees\nWHERE department_id = 10;<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u5c07\u8fd4\u56de\u7279\u5b9a\u90e8\u9580\u7684\u54e1\u5de5\u53ca\u5176\u734e\u91d1\uff0c\u65b9\u4fbf\u5831\u544a\u751f\u6210\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-hkSvQZhmTD\">\u7e3d\u7d50<\/h2>\n<p>\u5728 Oracle 11g \u4e2d\uff0c\u8abf\u7528\u51fd\u6578\u7684\u65b9\u5f0f\u591a\u7a2e\u591a\u6a23\uff0c\u5305\u62ec\u4f7f\u7528 SELECT \u8a9e\u53e5\u3001PL\/SQL\u3001\u89f8\u767c\u5668\u3001\u8996\u5716\u548c\u5831\u544a\u7b49\u3002\u9019\u4e9b\u65b9\u6cd5\u4e0d\u50c5\u63d0\u9ad8\u4e86\u6578\u64da\u8655\u7406\u7684\u9748\u6d3b\u6027\uff0c\u9084\u80fd\u5920\u7c21\u5316\u958b\u767c\u904e\u7a0b\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u638c\u63e1\u9019\u4e9b\u6280\u5de7\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f\u6578\u64da\u5eab\u7ba1\u7406\u9084\u662f\u61c9\u7528\u958b\u767c\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22 Oracle 11g \u4e2d\u8abf\u7528\u76f8\u95dc\u51fd\u6578\u7684\u4e94\u7a2e\u65b9\u6cd5\uff0c\u63d0\u5347\u6578\u64da\u5eab\u64cd\u4f5c\u6548\u7387\uff0c\u512a\u5316\u6027\u80fd\uff0c\u7c21\u5316\u958b\u767c\u6d41\u7a0b\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-93810","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93810","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=93810"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93810\/revisions"}],"predecessor-version":[{"id":93811,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93810\/revisions\/93811"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=93810"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=93810"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=93810"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}