{"id":199949,"date":"2025-05-06T08:35:20","date_gmt":"2025-05-06T00:35:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/199949\/"},"modified":"2025-05-06T08:35:20","modified_gmt":"2025-05-06T00:35:20","slug":"oracle%e5%ad%98%e5%82%a8%e8%bf%87%e7%a8%8b%e7%9a%84%e6%89%b9%e9%87%8f%e6%9b%b4%e6%96%b0%ef%bc%9a%e4%bc%98%e5%8a%bf%e5%8f%8a%e5%ba%94%e7%94%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/199949\/","title":{"rendered":"Oracle\u5b58\u50a8\u8fc7\u7a0b\u7684\u6279\u91cf\u66f4\u65b0\uff1a\u4f18\u52bf\u53ca\u5e94\u7528"},"content":{"rendered":"

<\/b> <\/p>\n

Oracle\u5b58\u50a8\u8fc7\u7a0b\u7684\u6279\u91cf\u66f4\u65b0\uff1a\u4f18\u52bf\u53ca\u5e94\u7528<\/h1>\n

\u79ef\u7d2f\u77e5\u8bc6\uff0c\u80dc\u8fc7\u79ef\u84c4\u91d1\u94f6\uff01\u6bd5\u7adf\u5728\u6570\u636e\u5e93\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u4f1a\u9047\u5230\u5404\u79cd\u5404\u6837\u7684\u95ee\u9898\uff0c\u5f80\u5f80\u90fd\u662f\u4e00\u4e9b\u7ec6\u8282\u77e5\u8bc6\u70b9\u8fd8\u6ca1\u6709\u638c\u63e1\u597d\u800c\u5bfc\u81f4\u7684\uff0c\u56e0\u6b64\u57fa\u7840\u77e5\u8bc6\u70b9\u7684\u79ef\u7d2f\u662f\u5f88\u91cd\u8981\u7684\u3002\u4e0b\u9762\u672c\u6587\u300aOracle\u5b58\u50a8\u8fc7\u7a0b\u7684\u6279\u91cf\u66f4\u65b0\uff1a\u4f18\u52bf\u53ca\u5e94\u7528\u300b\uff0c\u5c31\u5e26\u5927\u5bb6\u8bb2\u89e3\u4e00\u4e0b\u77e5\u8bc6\u70b9\uff0c\u82e5\u662f\u4f60\u5bf9\u672c\u6587\u611f\u5174\u8da3\uff0c\u6216\u8005\u662f\u60f3\u641e\u61c2\u5176\u4e2d\u67d0\u4e2a\u77e5\u8bc6\u70b9\uff0c\u5c31\u8bf7\u4f60\u7ee7\u7eed\u5f80\u4e0b\u770b\u5427~<\/p>\n

Oracle\u5b58\u50a8\u8fc7\u7a0b\u6279\u91cf\u66f4\u65b0\u7684\u4f18\u52bf\u4e0e\u5e94\u7528<\/p>\n

\u5728Oracle\u6570\u636e\u5e93\u4e2d\uff0c\u5b58\u50a8\u8fc7\u7a0b\u662f\u4e00\u79cd\u9884\u5148\u7f16\u8bd1\u5e76\u5b58\u50a8\u5728\u6570\u636e\u5e93\u4e2d\u7684\u53ef\u91cd\u590d\u6267\u884c\u7684\u7a0b\u5e8f\u5355\u5143\u3002\u5b58\u50a8\u8fc7\u7a0b\u63d0\u4f9b\u4e86\u4e00\u79cd\u6709\u6548\u7684\u65b9\u6cd5\u6765\u7ec4\u7ec7\u548c\u7ba1\u7406\u6570\u636e\u5e93\u64cd\u4f5c\uff0c\u540c\u65f6\u4e5f\u53ef\u4ee5\u63d0\u9ad8\u6570\u636e\u5e93\u7684\u6027\u80fd\u548c\u5b89\u5168\u6027\u3002\u5728\u5b9e\u9645\u7684\u6570\u636e\u5e93\u5e94\u7528\u4e2d\uff0c\u5b58\u50a8\u8fc7\u7a0b\u7ecf\u5e38\u7528\u4e8e\u5904\u7406\u590d\u6742\u7684\u4e1a\u52a1\u903b\u8f91\u3001\u6267\u884c\u6279\u91cf\u66f4\u65b0\u7b49\u64cd\u4f5c\u3002\u672c\u6587\u5c06\u4ecb\u7ecdOracle\u5b58\u50a8\u8fc7\u7a0b\u5728\u6279\u91cf\u66f4\u65b0\u65b9\u9762\u7684\u4f18\u52bf\u4ee5\u53ca\u76f8\u5e94\u7684\u5e94\u7528\u573a\u666f\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

\u4e00\u3001\u6279\u91cf\u66f4\u65b0\u7684\u4f18\u52bf<\/p>\n

1.1 \u63d0\u9ad8\u6027\u80fd\uff1a\u901a\u8fc7\u5b58\u50a8\u8fc7\u7a0b\u8fdb\u884c\u6279\u91cf\u66f4\u65b0\u53ef\u4ee5\u51cf\u5c11\u4e0e\u6570\u636e\u5e93\u7684\u4ea4\u4e92\u6b21\u6570\uff0c\u964d\u4f4e\u4e86\u7f51\u7edc\u5f00\u9500\u548c\u6570\u636e\u5e93\u670d\u52a1\u5668\u7684\u8d1f\u8f7d\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u66f4\u65b0\u64cd\u4f5c\u7684\u6027\u80fd\u3002<\/p>\n

1.2 \u51cf\u5c11\u8d44\u6e90\u6d88\u8017\uff1a\u6279\u91cf\u66f4\u65b0\u53ef\u4ee5\u51cf\u5c11\u4e8b\u52a1\u5904\u7406\u7684\u5f00\u9500\uff0c\u51cf\u5c11\u4e86\u9501\u7ade\u4e89\u548c\u65e5\u5fd7\u64cd\u4f5c\uff0c\u51cf\u5c11\u4e86\u5bf9\u6570\u636e\u5e93\u8d44\u6e90\u7684\u6d88\u8017\uff0c\u63d0\u9ad8\u4e86\u6570\u636e\u5e93\u7684\u5e76\u53d1\u6027\u80fd\u3002<\/p>\n

1.3 \u7b80\u5316\u64cd\u4f5c\uff1a\u901a\u8fc7\u5b58\u50a8\u8fc7\u7a0b\u53ef\u4ee5\u5c06\u66f4\u65b0\u903b\u8f91\u8fdb\u884c\u5c01\u88c5\u548c\u91cd\u7528\uff0c\u51cf\u5c11\u4e86\u91cd\u590d\u4ee3\u7801\u7684\u7f16\u5199\uff0c\u7b80\u5316\u4e86\u64cd\u4f5c\u6d41\u7a0b\uff0c\u63d0\u9ad8\u4e86\u5f00\u53d1\u6548\u7387\u3002<\/p>\n

\u4e8c\u3001\u6279\u91cf\u66f4\u65b0\u7684\u5e94\u7528<\/p>\n

2.1 \u6279\u91cf\u66f4\u65b0\u7edf\u8ba1\u6570\u636e<\/p>\n

\u5047\u8bbe\u67d0\u4e2a\u8868\u4e2d\u5b58\u50a8\u4e86\u8ba2\u5355\u4fe1\u606f\uff0c\u6bcf\u6b21\u8ba2\u5355\u53d1\u751f\u53d8\u5316\u65f6\u9700\u8981\u66f4\u65b0\u8ba2\u5355\u6570\u91cf\u7684\u7edf\u8ba1\u6570\u636e\u3002\u53ef\u4ee5\u901a\u8fc7\u5b58\u50a8\u8fc7\u7a0b\u5b9e\u73b0\u6279\u91cf\u66f4\u65b0\u7edf\u8ba1\u6570\u636e\uff0c\u63d0\u9ad8\u6027\u80fd\u5e76\u7b80\u5316\u64cd\u4f5c\u6d41\u7a0b\u3002<\/p>\n

CREATE OR REPLACE PROCEDURE update_order_stats IS\nBEGIN\n    UPDATE order_stats os\n    SET os.total_orders = (\n        SELECT COUNT(*) FROM orders o WHERE o.status = 'completed'\n    )\n    WHERE os.stats_date = TRUNC(SYSDATE);\nEND;\n\/<\/pre>\n
2.2 \u6279\u91cf\u66f4\u65b0\u5173\u8054\u8868\u6570\u636e<\/p>\n
\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u7ecf\u5e38\u9700\u8981\u66f4\u65b0\u5173\u8054\u8868\u4e2d\u7684\u6570\u636e\u3002\u53ef\u4ee5\u901a\u8fc7\u5b58\u50a8\u8fc7\u7a0b\u5b9e\u73b0\u6279\u91cf\u66f4\u65b0\u5173\u8054\u8868\u6570\u636e\uff0c\u907f\u514d\u4e86\u591a\u6b21\u5355\u72ec\u66f4\u65b0\u7684\u5f00\u9500\u3002<\/p>\n
CREATE OR REPLACE PROCEDURE update_customer_address IS\nBEGIN\n    UPDATE customers c\n    SET c.address = (\n        SELECT a.address FROM addresses a WHERE a.customer_id = c.customer_id\n    )\n    WHERE EXISTS (\n        SELECT 1 FROM addresses a WHERE a.customer_id = c.customer_id\n    );\nEND;\n\/<\/pre>\n
2.3 \u6279\u91cf\u66f4\u65b0\u5b58\u5728\u6761\u4ef6\u7684\u6570\u636e<\/p>\n
\u6709\u65f6\u5019\u9700\u8981\u5bf9\u7b26\u5408\u4e00\u5b9a\u6761\u4ef6\u7684\u6570\u636e\u8fdb\u884c\u6279\u91cf\u66f4\u65b0\uff0c\u53ef\u4ee5\u901a\u8fc7\u5b58\u50a8\u8fc7\u7a0b\u5b9e\u73b0\u590d\u6742\u7684\u66f4\u65b0\u903b\u8f91\uff0c\u63d0\u9ad8\u4e86\u66f4\u65b0\u7684\u7075\u6d3b\u6027\u548c\u6548\u7387\u3002<\/p>\n
CREATE OR REPLACE PROCEDURE update_product_price IS\nBEGIN\n    UPDATE products p\n    SET p.price = p.price * 0.9\n    WHERE p.category = 'electronics' AND p.in_stock = 'Y';\nEND;\n\/<\/pre>\n
\u4e09\u3001\u603b\u7ed3<\/p>\n
\u901a\u8fc7\u4e0a\u8ff0\u4f8b\u5b50\u53ef\u4ee5\u770b\u51fa\uff0cOracle\u5b58\u50a8\u8fc7\u7a0b\u5728\u6279\u91cf\u66f4\u65b0\u65b9\u9762\u5177\u6709\u660e\u663e\u7684\u4f18\u52bf\uff0c\u80fd\u591f\u63d0\u9ad8\u66f4\u65b0\u64cd\u4f5c\u7684\u6027\u80fd\u3001\u51cf\u5c11\u8d44\u6e90\u6d88\u8017\u3001\u7b80\u5316\u64cd\u4f5c\u6d41\u7a0b\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5408\u7406\u5730\u8fd0\u7528\u5b58\u50a8\u8fc7\u7a0b\u53ef\u4ee5\u63d0\u9ad8\u6570\u636e\u5e93\u7684\u6548\u7387\u548c\u53ef\u7ef4\u62a4\u6027\uff0c\u5e26\u6765\u66f4\u597d\u7684\u7528\u6237\u4f53\u9a8c\u548c\u7ba1\u7406\u4f53\u9a8c\u3002\u56e0\u6b64\uff0c\u5f00\u53d1\u4eba\u5458\u5e94\u8be5\u5145\u5206\u4e86\u89e3\u5b58\u50a8\u8fc7\u7a0b\u7684\u7279\u6027\u548c\u7528\u6cd5\uff0c\u7ed3\u5408\u5b9e\u9645\u9700\u6c42\u5408\u7406\u5730\u8bbe\u8ba1\u548c\u4f18\u5316\u5b58\u50a8\u8fc7\u7a0b\uff0c\u5b9e\u73b0\u66f4\u9ad8\u6548\u548c\u53ef\u9760\u7684\u6570\u636e\u5e93\u64cd\u4f5c\u3002<\/p>\n
\u6587\u4e2d\u5173\u4e8eOracle,\u6279\u91cf\u66f4\u65b0,\u5b58\u50a8\u8fc7\u7a0b\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300aOracle\u5b58\u50a8\u8fc7\u7a0b\u7684\u6279\u91cf\u66f4\u65b0\uff1a\u4f18\u52bf\u53ca\u5e94\u7528\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n
\n
\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
Oracle\u5b58\u50a8\u8fc7\u7a0b\u7684\u6279\u91cf\u66f4\u65b0\uff1a...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-199949","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199949","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=199949"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199949\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=199949"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=199949"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=199949"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}