{"id":95796,"date":"2024-10-20T04:04:17","date_gmt":"2024-10-19T20:04:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/95796\/"},"modified":"2024-10-20T04:04:17","modified_gmt":"2024-10-19T20:04:17","slug":"oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e5%85%a5%e9%96%80%ef%bc%9a%e8%a1%a8%e7%9a%84%e5%89%b5%e5%bb%ba%e6%96%b9%e6%b3%95-oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e6%80%8e%e9%ba%bc%e5%bb%ba%e8%a1%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/95796\/","title":{"rendered":"Oracle\u6578\u64da\u5eab\u5165\u9580\uff1a\u8868\u7684\u5275\u5efa\u65b9\u6cd5 (oracle\u6578\u64da\u5eab\u600e\u9ebc\u5efa\u8868)"},"content":{"rendered":"<h1 id=\"oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e5%85%a5%e9%96%80%ef%bc%9a%e8%a1%a8%e7%9a%84%e5%89%b5%e5%bb%ba%e6%96%b9%e6%b3%95-ENUpzEIpfe\">Oracle\u6578\u64da\u5eab\u5165\u9580\uff1a\u8868\u7684\u5275\u5efa\u65b9\u6cd5<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u8868\u662f\u5b58\u5132\u6578\u64da\u7684\u57fa\u672c\u7d50\u69cb\u3002Oracle\u6578\u64da\u5eab\u4f5c\u70ba\u4e00\u500b\u5f37\u5927\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u9748\u6d3b\u4e14\u9ad8\u6548\u7684\u8868\u5275\u5efa\u65b9\u6cd5\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728Oracle\u6578\u64da\u5eab\u4e2d\u5275\u5efa\u8868\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"1-%e8%a1%a8%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-ENUpzEIpfe\">1. \u8868\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u5728Oracle\u6578\u64da\u5eab\u4e2d\uff0c\u8868\u7531\u884c\u548c\u5217\u7d44\u6210\u3002\u6bcf\u4e00\u884c\u4ee3\u8868\u4e00\u689d\u8a18\u9304\uff0c\u800c\u6bcf\u4e00\u5217\u5247\u4ee3\u8868\u8a18\u9304\u7684\u5c6c\u6027\u3002\u8868\u7684\u8a2d\u8a08\u5c0d\u65bc\u6578\u64da\u7684\u5b58\u5132\u548c\u6aa2\u7d22\u81f3\u95dc\u91cd\u8981\uff0c\u56e0\u6b64\u5728\u5275\u5efa\u8868\u4e4b\u524d\uff0c\u61c9\u8a72\u4ed4\u7d30\u8003\u616e\u6578\u64da\u7684\u7d50\u69cb\u548c\u9700\u6c42\u3002<\/p>\n<h2 id=\"2-%e5%89%b5%e5%bb%ba%e8%a1%a8%e7%9a%84%e5%9f%ba%e6%9c%ac%e8%aa%9e%e6%b3%95-ENUpzEIpfe\">2. \u5275\u5efa\u8868\u7684\u57fa\u672c\u8a9e\u6cd5<\/h2>\n<p>\u5728Oracle\u4e2d\uff0c\u5275\u5efa\u8868\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>CREATE TABLE \u8868\u540d (\n    \u5217\u540d1 \u6578\u64da\u985e\u578b [\u7d04\u675f\u689d\u4ef6],\n    \u5217\u540d2 \u6578\u64da\u985e\u578b [\u7d04\u675f\u689d\u4ef6],\n    ...\n);<\/code><\/pre>\n<p>\u5176\u4e2d\uff0c<strong>\u8868\u540d<\/strong>\u662f\u4f60\u8981\u5275\u5efa\u7684\u8868\u7684\u540d\u7a31\uff0c<strong>\u5217\u540d<\/strong>\u662f\u8868\u4e2d\u6bcf\u4e00\u5217\u7684\u540d\u7a31\uff0c<strong>\u6578\u64da\u985e\u578b<\/strong>\u5247\u5b9a\u7fa9\u4e86\u8a72\u5217\u53ef\u4ee5\u5b58\u5132\u7684\u6578\u64da\u985e\u578b\uff0c\u4f8b\u5982\uff1aVARCHAR2\u3001NUMBER\u3001DATE\u7b49\u3002\u7d04\u675f\u689d\u4ef6\u5247\u7528\u65bc\u9650\u5236\u6578\u64da\u7684\u6709\u6548\u6027\uff0c\u4f8b\u5982\uff1aNOT NULL\u3001UNIQUE\u7b49\u3002<\/p>\n<h2 id=\"3-%e5%89%b5%e5%bb%ba%e4%b8%80%e5%80%8b%e7%b0%a1%e5%96%ae%e7%9a%84%e8%a1%a8-ENUpzEIpfe\">3. \u5275\u5efa\u4e00\u500b\u7c21\u55ae\u7684\u8868<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u5275\u5efa\u54e1\u5de5\u8868\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>CREATE TABLE Employees (\n    EmployeeID NUMBER PRIMARY KEY,\n    FirstName VARCHAR2(50) NOT NULL,\n    LastName VARCHAR2(50) NOT NULL,\n    HireDate DATE,\n    Salary NUMBER(8, 2)\n);<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba <strong>Employees<\/strong> \u7684\u8868\uff0c\u5305\u542b\u4e94\u500b\u5217\uff1a<strong>EmployeeID<\/strong>\u3001<strong>FirstName<\/strong>\u3001<strong>LastName<\/strong>\u3001<strong>HireDate<\/strong> \u548c <strong>Salary<\/strong>\u3002\u5176\u4e2d\uff0c<strong>EmployeeID<\/strong> \u662f\u4e3b\u9375\uff0c\u78ba\u4fdd\u6bcf\u500b\u54e1\u5de5\u7684\u552f\u4e00\u6027\u3002<\/p>\n<h2 id=\"4-%e6%b7%bb%e5%8a%a0%e7%b4%84%e6%9d%9f%e6%a2%9d%e4%bb%b6-ENUpzEIpfe\">4. \u6dfb\u52a0\u7d04\u675f\u689d\u4ef6<\/h2>\n<p>\u5728\u5275\u5efa\u8868\u6642\uff0c\u53ef\u4ee5\u6dfb\u52a0\u591a\u7a2e\u7d04\u675f\u689d\u4ef6\u4f86\u4fdd\u8b49\u6578\u64da\u7684\u5b8c\u6574\u6027\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u7d04\u675f\u689d\u4ef6\uff1a<\/p>\n<ul>\n<li><strong>NOT NULL<\/strong>\uff1a\u78ba\u4fdd\u5217\u4e0d\u80fd\u70ba\u7a7a\u3002<\/li>\n<li><strong>UNIQUE<\/strong>\uff1a\u78ba\u4fdd\u5217\u4e2d\u7684\u6240\u6709\u503c\u90fd\u662f\u552f\u4e00\u7684\u3002<\/li>\n<li><strong>CHECK<\/strong>\uff1a\u78ba\u4fdd\u5217\u4e2d\u7684\u503c\u7b26\u5408\u7279\u5b9a\u689d\u4ef6\u3002<\/li>\n<li><strong>FOREIGN KEY<\/strong>\uff1a\u78ba\u4fdd\u5217\u4e2d\u7684\u503c\u5fc5\u9808\u5b58\u5728\u65bc\u53e6\u4e00\u500b\u8868\u4e2d\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u82e5\u8981\u5728 <strong>Employees<\/strong> \u8868\u4e2d\u6dfb\u52a0\u4e00\u500b <strong>DepartmentID<\/strong> \u5217\uff0c\u4e26\u8a2d\u7f6e\u70ba\u5916\u9375\uff0c\u53ef\u4ee5\u9019\u6a23\u5beb\uff1a<\/p>\n<pre><code>CREATE TABLE Employees (\n    EmployeeID NUMBER PRIMARY KEY,\n    FirstName VARCHAR2(50) NOT NULL,\n    LastName VARCHAR2(50) NOT NULL,\n    HireDate DATE,\n    Salary NUMBER(8, 2),\n    DepartmentID NUMBER,\n    FOREIGN KEY (DepartmentID) REFERENCES Departments(DepartmentID)\n);<\/code><\/pre>\n<h2 id=\"5-%e6%9f%a5%e7%9c%8b%e5%b7%b2%e5%89%b5%e5%bb%ba%e7%9a%84%e8%a1%a8-ENUpzEIpfe\">5. \u67e5\u770b\u5df2\u5275\u5efa\u7684\u8868<\/h2>\n<p>\u5728Oracle\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u67e5\u770b\u5df2\u5275\u5efa\u7684\u8868\uff1a<\/p>\n<pre><code>SELECT table_name FROM user_tables;<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u7576\u524d\u7528\u6236\u4e0b\u6240\u6709\u7684\u8868\u540d\u3002<\/p>\n<h2 id=\"6-%e5%b0%8f%e7%b5%90-ENUpzEIpfe\">6. \u5c0f\u7d50<\/h2>\n<p>\u672c\u6587\u4ecb\u7d39\u4e86\u5728Oracle\u6578\u64da\u5eab\u4e2d\u5275\u5efa\u8868\u7684\u57fa\u672c\u65b9\u6cd5\uff0c\u5305\u62ec\u8a9e\u6cd5\u3001\u793a\u4f8b\u548c\u7d04\u675f\u689d\u4ef6\u7684\u4f7f\u7528\u3002\u638c\u63e1\u9019\u4e9b\u57fa\u672c\u77e5\u8b58\u5f8c\uff0c\u60a8\u53ef\u4ee5\u6839\u64da\u5be6\u969b\u9700\u6c42\u8a2d\u8a08\u548c\u5275\u5efa\u9069\u5408\u7684\u6578\u64da\u8868\uff0c\u5f9e\u800c\u6709\u6548\u5730\u7ba1\u7406\u548c\u5b58\u5132\u6578\u64da\u3002<\/p>\n<p>\u5982\u9700\u9032\u4e00\u6b65\u4e86\u89e3\u5982\u4f55\u4f7f\u7528 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u4f86\u904b\u884cOracle\u6578\u64da\u5eab\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2Oracle\u6578\u64da\u5eab\u5165\u9580\uff0c\u638c\u63e1\u8868\u7684\u5275\u5efa\u65b9\u6cd5\uff0c\u8f15\u9b06\u5efa\u7acb\u548c\u7ba1\u7406\u6578\u64da\u5eab\u8868\u683c\uff0c\u63d0\u5347\u6578\u64da\u8655\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-95796","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95796","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=95796"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95796\/revisions"}],"predecessor-version":[{"id":95797,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95796\/revisions\/95797"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=95796"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=95796"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=95796"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}