{"id":166775,"date":"2024-11-05T19:26:32","date_gmt":"2024-11-05T11:26:32","guid":{"rendered":"https:\/\/server.hk\/cnblog\/166775\/"},"modified":"2024-11-05T19:26:32","modified_gmt":"2024-11-05T11:26:32","slug":"%e8%80%81%e9%b3%a5%e5%85%a8%e9%9d%a2%e8%ac%9b%e8%bf%b0oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e5%b0%8d%e8%b1%a1","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/166775\/","title":{"rendered":"\u8001\u9ce5\u5168\u9762\u8b1b\u8ff0oracle\u6578\u64da\u5eab\u5c0d\u8c61"},"content":{"rendered":"<h1 id=\"%e8%80%81%e9%b3%a5%e5%85%a8%e9%9d%a2%e8%ac%9b%e8%bf%b0oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e5%b0%8d%e8%b1%a1-mMrepGYffd\">\u8001\u9ce5\u5168\u9762\u8b1b\u8ff0Oracle\u6578\u64da\u5eab\u5c0d\u8c61<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u6578\u64da\u5eab\u7684\u7ba1\u7406\u548c\u64cd\u4f5c\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002Oracle\u6578\u64da\u5eab\u4f5c\u70ba\u4e00\u500b\u529f\u80fd\u5f37\u5927\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u884c\u696d\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eOracle\u6578\u64da\u5eab\u4e2d\u7684\u5c0d\u8c61\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u5176\u7d50\u69cb\u548c\u529f\u80fd\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%aforacle%e6%95%b8%e6%93%9a%e5%ba%ab%e5%b0%8d%e8%b1%a1%ef%bc%9f-mMrepGYffd\">\u4ec0\u9ebc\u662fOracle\u6578\u64da\u5eab\u5c0d\u8c61\uff1f<\/h2>\n<p>\u5728Oracle\u6578\u64da\u5eab\u4e2d\uff0c\u5c0d\u8c61\u662f\u6307\u6578\u64da\u5eab\u4e2d\u5b58\u5132\u7684\u6578\u64da\u7d50\u69cb\u3002\u9019\u4e9b\u5c0d\u8c61\u53ef\u4ee5\u662f\u8868\u3001\u8996\u5716\u3001\u7d22\u5f15\u3001\u5e8f\u5217\u3001\u540c\u7fa9\u8a5e\u3001\u7a0b\u5e8f\u3001\u5305\u7b49\u3002\u6bcf\u4e00\u7a2e\u5c0d\u8c61\u90fd\u6709\u5176\u7279\u5b9a\u7684\u7528\u9014\u548c\u7279\u6027\uff0c\u4e26\u4e14\u53ef\u4ee5\u76f8\u4e92\u95dc\u806f\u3002<\/p>\n<h3 id=\"1-%e8%a1%a8%ef%bc%88table%ef%bc%89-mMrepGYffd\">1. \u8868\uff08Table\uff09<\/h3>\n<p>\u8868\u662fOracle\u6578\u64da\u5eab\u4e2d\u6700\u57fa\u672c\u7684\u5c0d\u8c61\uff0c\u7528\u65bc\u5b58\u5132\u6578\u64da\u3002\u6bcf\u500b\u8868\u7531\u884c\u548c\u5217\u7d44\u6210\uff0c\u884c\u4ee3\u8868\u8a18\u9304\uff0c\u5217\u4ee3\u8868\u5b57\u6bb5\u3002\u5275\u5efa\u8868\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>CREATE TABLE employees (\n    employee_id NUMBER PRIMARY KEY,\n    first_name VARCHAR2(50),\n    last_name VARCHAR2(50),\n    hire_date DATE\n);<\/code><\/pre>\n<h3 id=\"2-%e8%a6%96%e5%9c%96%ef%bc%88view%ef%bc%89-mMrepGYffd\">2. \u8996\u5716\uff08View\uff09<\/h3>\n<p>\u8996\u5716\u662f\u4e00\u7a2e\u865b\u64ec\u8868\uff0c\u5b83\u662f\u57fa\u65bc\u4e00\u500b\u6216\u591a\u500b\u8868\u7684\u67e5\u8a62\u7d50\u679c\u3002\u8996\u5716\u4e0d\u5b58\u5132\u6578\u64da\uff0c\u800c\u662f\u52d5\u614b\u751f\u6210\u3002\u4f7f\u7528\u8996\u5716\u53ef\u4ee5\u7c21\u5316\u8907\u96dc\u67e5\u8a62\uff0c\u4e26\u63d0\u9ad8\u6578\u64da\u7684\u5b89\u5168\u6027\u3002\u5275\u5efa\u8996\u5716\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>CREATE VIEW employee_view AS\nSELECT first_name, last_name\nFROM employees\nWHERE hire_date &gt; '2020-01-01';<\/code><\/pre>\n<h3 id=\"3-%e7%b4%a2%e5%bc%95%ef%bc%88index%ef%bc%89-mMrepGYffd\">3. \u7d22\u5f15\uff08Index\uff09<\/h3>\n<p>\u7d22\u5f15\u662f\u4e00\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u7528\u65bc\u52a0\u901f\u67e5\u8a62\u64cd\u4f5c\u3002\u5b83\u985e\u4f3c\u65bc\u66f8\u7c4d\u7684\u76ee\u9304\uff0c\u53ef\u4ee5\u5e6b\u52a9\u6578\u64da\u5eab\u5feb\u901f\u5b9a\u4f4d\u5230\u6240\u9700\u7684\u6578\u64da\u3002\u5275\u5efa\u7d22\u5f15\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>CREATE INDEX idx_last_name ON employees(last_name);<\/code><\/pre>\n<h3 id=\"4-%e5%ba%8f%e5%88%97%ef%bc%88sequence%ef%bc%89-mMrepGYffd\">4. \u5e8f\u5217\uff08Sequence\uff09<\/h3>\n<p>\u5e8f\u5217\u662f\u4e00\u7a2e\u6578\u64da\u5eab\u5c0d\u8c61\uff0c\u7528\u65bc\u751f\u6210\u552f\u4e00\u7684\u6578\u5b57\uff0c\u901a\u5e38\u7528\u65bc\u4e3b\u9375\u7684\u81ea\u589e\u3002\u5e8f\u5217\u53ef\u4ee5\u5728\u591a\u500b\u6703\u8a71\u4e2d\u540c\u6642\u4f7f\u7528\uff0c\u78ba\u4fdd\u751f\u6210\u7684\u6578\u5b57\u662f\u552f\u4e00\u7684\u3002\u5275\u5efa\u5e8f\u5217\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>CREATE SEQUENCE emp_seq\nSTART WITH 1\nINCREMENT BY 1; <\/code><\/pre>\n<h3 id=\"5-%e5%90%8c%e7%be%a9%e8%a9%9e%ef%bc%88synonym%ef%bc%89-mMrepGYffd\">5. \u540c\u7fa9\u8a5e\uff08Synonym\uff09<\/h3>\n<p>\u540c\u7fa9\u8a5e\u662f\u4e00\u7a2e\u6578\u64da\u5eab\u5c0d\u8c61\uff0c\u7528\u65bc\u70ba\u5176\u4ed6\u5c0d\u8c61\uff08\u5982\u8868\u3001\u8996\u5716\u7b49\uff09\u63d0\u4f9b\u5225\u540d\u3002\u9019\u6a23\u53ef\u4ee5\u7c21\u5316\u5c0d\u8c61\u7684\u5f15\u7528\uff0c\u7279\u5225\u662f\u5728\u8de8\u7528\u6236\u8a2a\u554f\u6642\u3002\u5275\u5efa\u540c\u7fa9\u8a5e\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>CREATE SYNONYM emp FOR employees;<\/code><\/pre>\n<h3 id=\"6-%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e5%92%8c%e5%87%bd%e6%95%b8%ef%bc%88stored-procedures-and-functions%ef%bc%89-mMrepGYffd\">6. \u5b58\u5132\u904e\u7a0b\u548c\u51fd\u6578\uff08Stored Procedures and Functions\uff09<\/h3>\n<p>\u5b58\u5132\u904e\u7a0b\u548c\u51fd\u6578\u662f\u7528PL\/SQL\u7de8\u5beb\u7684\u7a0b\u5e8f\u55ae\u5143\uff0c\u53ef\u4ee5\u5c01\u88dd\u696d\u52d9\u908f\u8f2f\u3002\u5b58\u5132\u904e\u7a0b\u4e0d\u8fd4\u56de\u503c\uff0c\u800c\u51fd\u6578\u5247\u8fd4\u56de\u4e00\u500b\u503c\u3002\u5275\u5efa\u5b58\u5132\u904e\u7a0b\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>CREATE OR REPLACE PROCEDURE add_employee (\n    p_first_name IN VARCHAR2,\n    p_last_name IN VARCHAR2\n) AS\nBEGIN\n    INSERT INTO employees (first_name, last_name)\n    VALUES (p_first_name, p_last_name);\nEND;<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-mMrepGYffd\">\u7d50\u8ad6<\/h2>\n<p>Oracle\u6578\u64da\u5eab\u5c0d\u8c61\u662f\u6578\u64da\u5eab\u7ba1\u7406\u7684\u57fa\u790e\uff0c\u7406\u89e3\u9019\u4e9b\u5c0d\u8c61\u7684\u7279\u6027\u548c\u7528\u6cd5\u5c0d\u65bc\u6709\u6548\u5730\u7ba1\u7406\u548c\u64cd\u4f5c\u6578\u64da\u81f3\u95dc\u91cd\u8981\u3002\u7121\u8ad6\u662f\u8868\u3001\u8996\u5716\u9084\u662f\u5b58\u5132\u904e\u7a0b\uff0c\u6bcf\u4e00\u7a2e\u5c0d\u8c61\u90fd\u6709\u5176\u7368\u7279\u7684\u529f\u80fd\uff0c\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u66f4\u597d\u5730\u7d44\u7e54\u548c\u8a2a\u554f\u6578\u64da\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u90e8\u7f72\u60a8\u7684Oracle\u6578\u64da\u5eab\uff0c\u4eab\u53d7\u7a69\u5b9a\u548c\u5b89\u5168\u7684\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u63a2\u8a0eOracle\u6578\u64da\u5eab\u5c0d\u8c61\uff0c\u5f9e\u7d50\u69cb\u5230\u61c9\u7528\uff0c\u8001\u9ce5\u5206\u4eab\u5be6\u7528\u6280\u5de7\u8207\u6700\u4f73\u5be6\u8e10\uff0c\u52a9\u4f60\u63d0\u5347\u6578\u64da\u7ba1\u7406\u80fd\u529b\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-166775","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/166775","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=166775"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/166775\/revisions"}],"predecessor-version":[{"id":166776,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/166775\/revisions\/166776"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=166775"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=166775"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=166775"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}