{"id":96034,"date":"2024-10-20T06:03:19","date_gmt":"2024-10-19T22:03:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96034\/"},"modified":"2024-10-20T06:03:20","modified_gmt":"2024-10-19T22:03:20","slug":"oracle%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e7%9b%b8%e9%97%9c%e7%89%b9%e6%80%a7%e7%9a%84%e4%bb%8b%e7%b4%b9","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96034\/","title":{"rendered":"Oracle\u6578\u64da\u985e\u578b\u76f8\u95dc\u7279\u6027\u7684\u4ecb\u7d39"},"content":{"rendered":"<h1 id=\"oracle%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e7%9b%b8%e9%97%9c%e7%89%b9%e6%80%a7%e7%9a%84%e4%bb%8b%e7%b4%b9-fbvDtVbwlF\">Oracle\u6578\u64da\u985e\u578b\u76f8\u95dc\u7279\u6027\u7684\u4ecb\u7d39<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u6578\u64da\u985e\u578b\u662f\u5b9a\u7fa9\u6578\u64da\u5b58\u5132\u548c\u64cd\u4f5c\u7684\u57fa\u790e\u3002Oracle\u6578\u64da\u5eab\u4f5c\u70ba\u4e00\u500b\u529f\u80fd\u5f37\u5927\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u985e\u578b\u4ee5\u6eff\u8db3\u4e0d\u540c\u7684\u61c9\u7528\u9700\u6c42\u3002\u672c\u6587\u5c07\u4ecb\u7d39Oracle\u6578\u64da\u985e\u578b\u7684\u4e3b\u8981\u7279\u6027\u53ca\u5176\u4f7f\u7528\u60c5\u5883\u3002<\/p>\n<h2 id=\"1-%e5%9f%ba%e6%9c%ac%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-fbvDtVbwlF\">1. \u57fa\u672c\u6578\u64da\u985e\u578b<\/h2>\n<p>Oracle\u63d0\u4f9b\u4e86\u5e7e\u7a2e\u57fa\u672c\u6578\u64da\u985e\u578b\uff0c\u9019\u4e9b\u985e\u578b\u53ef\u4ee5\u7528\u4f86\u5b58\u5132\u5404\u7a2e\u5f62\u5f0f\u7684\u6578\u64da\u3002<\/p>\n<ul>\n<li><strong>NUMBER<\/strong>: \u7528\u65bc\u5b58\u5132\u6578\u5b57\u6578\u64da\uff0c\u53ef\u4ee5\u6307\u5b9a\u7cbe\u5ea6\u548c\u5c0f\u6578\u4f4d\u6578\u3002\u4f8b\u5982\uff0c<code>NUMBER(10,2)<\/code>\u8868\u793a\u6700\u591a10\u4f4d\u6578\u5b57\uff0c\u5176\u4e2d2\u4f4d\u70ba\u5c0f\u6578\u3002<\/li>\n<li><strong>CHAR<\/strong>: \u56fa\u5b9a\u9577\u5ea6\u7684\u5b57\u7b26\u6578\u64da\u985e\u578b\uff0c\u6700\u5927\u9577\u5ea6\u70ba2000\u5b57\u5143\u3002\u4f7f\u7528\u6642\uff0c\u5982\u679c\u5be6\u969b\u6578\u64da\u9577\u5ea6\u5c0f\u65bc\u5b9a\u7fa9\u9577\u5ea6\uff0c\u5247\u6703\u81ea\u52d5\u586b\u5145\u7a7a\u683c\u3002<\/li>\n<li><strong>VARCHAR2<\/strong>: \u53ef\u8b8a\u9577\u5ea6\u7684\u5b57\u7b26\u6578\u64da\u985e\u578b\uff0c\u6700\u5927\u9577\u5ea6\u70ba4000\u5b57\u5143\u3002\u9019\u7a2e\u6578\u64da\u985e\u578b\u5728\u5b58\u5132\u6642\u4e0d\u6703\u586b\u5145\u7a7a\u683c\uff0c\u7bc0\u7701\u4e86\u5b58\u5132\u7a7a\u9593\u3002<\/li>\n<li><strong>DATE<\/strong>: \u7528\u65bc\u5b58\u5132\u65e5\u671f\u548c\u6642\u9593\uff0c\u683c\u5f0f\u70baYYYY-MM-DD HH24:MI:SS\u3002<\/li>\n<li><strong>BLOB<\/strong>: \u7528\u65bc\u5b58\u5132\u4e8c\u9032\u5236\u5927\u578b\u5c0d\u8c61\uff0c\u5982\u5716\u50cf\u548c\u97f3\u983b\u6587\u4ef6\u3002<\/li>\n<\/ul>\n<h2 id=\"2-%e8%a4%87%e5%90%88%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-fbvDtVbwlF\">2. \u8907\u5408\u6578\u64da\u985e\u578b<\/h2>\n<p>\u9664\u4e86\u57fa\u672c\u6578\u64da\u985e\u578b\uff0cOracle\u9084\u652f\u6301\u8907\u5408\u6578\u64da\u985e\u578b\uff0c\u9019\u4e9b\u985e\u578b\u53ef\u4ee5\u7528\u4f86\u5b58\u5132\u66f4\u8907\u96dc\u7684\u6578\u64da\u7d50\u69cb\u3002<\/p>\n<ul>\n<li><strong>RECORD<\/strong>: \u7528\u65bc\u5b9a\u7fa9\u4e00\u7d44\u4e0d\u540c\u6578\u64da\u985e\u578b\u7684\u5b57\u6bb5\uff0c\u985e\u4f3c\u65bc\u7d50\u69cb\u9ad4\u3002\u4f8b\u5982\uff1a<\/li>\n<pre><code>\nDECLARE\n    TYPE employee_record IS RECORD (\n        id NUMBER,\n        name VARCHAR2(100),\n        hire_date DATE\n    );\n    emp employee_record;\nBEGIN\n    emp.id := 1;\n    emp.name := 'John Doe';\n    emp.hire_date := SYSDATE;\nEND;\n<\/code><\/pre>\n<li><strong>TABLE<\/strong>: \u7528\u65bc\u5b9a\u7fa9\u4e00\u7d44\u76f8\u540c\u6578\u64da\u985e\u578b\u7684\u6578\u64da\u96c6\u5408\uff0c\u985e\u4f3c\u65bc\u6578\u7d44\u3002\u4f8b\u5982\uff1a<\/li>\n<pre><code>\nDECLARE\n    TYPE number_table IS TABLE OF NUMBER;\n    nums number_table;\nBEGIN\n    nums := number_table(1, 2, 3, 4, 5);\nEND;\n<\/code><\/pre>\n<\/ul>\n<h2 id=\"3-%e7%89%b9%e6%ae%8a%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-fbvDtVbwlF\">3. \u7279\u6b8a\u6578\u64da\u985e\u578b<\/h2>\n<p>Oracle\u9084\u63d0\u4f9b\u4e86\u4e00\u4e9b\u7279\u6b8a\u7684\u6578\u64da\u985e\u578b\uff0c\u4ee5\u652f\u6301\u7279\u5b9a\u7684\u61c9\u7528\u9700\u6c42\u3002<\/p>\n<ul>\n<li><strong>XMLTYPE<\/strong>: \u7528\u65bc\u5b58\u5132XML\u6578\u64da\uff0c\u652f\u6301XML\u67e5\u8a62\u548c\u64cd\u4f5c\u3002<\/li>\n<li><strong>JSON<\/strong>: Oracle 12c\u53ca\u4ee5\u5f8c\u7248\u672c\u652f\u6301JSON\u6578\u64da\u985e\u578b\uff0c\u65b9\u4fbf\u5b58\u5132\u548c\u67e5\u8a62JSON\u683c\u5f0f\u7684\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"4-%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e7%9a%84%e9%81%b8%e6%93%87-fbvDtVbwlF\">4. \u6578\u64da\u985e\u578b\u7684\u9078\u64c7<\/h2>\n<p>\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u985e\u578b\u5c0d\u65bc\u6578\u64da\u5eab\u6027\u80fd\u548c\u5b58\u5132\u6548\u7387\u81f3\u95dc\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u9078\u64c7\u6578\u64da\u985e\u578b\u7684\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li>\u5c0d\u65bc\u6578\u5b57\u6578\u64da\uff0c\u6839\u64da\u6578\u64da\u7684\u7bc4\u570d\u9078\u64c7\u5408\u9069\u7684<code>NUMBER<\/code>\u7cbe\u5ea6\u3002<\/li>\n<li>\u5c0d\u65bc\u5b57\u7b26\u6578\u64da\uff0c\u76e1\u91cf\u4f7f\u7528<code>VARCHAR2<\/code>\u4ee5\u7bc0\u7701\u5b58\u5132\u7a7a\u9593\u3002<\/li>\n<li>\u5982\u679c\u9700\u8981\u5b58\u5132\u65e5\u671f\u548c\u6642\u9593\uff0c\u4f7f\u7528<code>DATE<\/code>\u985e\u578b\uff0c\u4e26\u6ce8\u610f\u6642\u5340\u7684\u5f71\u97ff\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-fbvDtVbwlF\">\u7e3d\u7d50<\/h2>\n<p>Oracle\u6578\u64da\u5eab\u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u985e\u578b\uff0c\u4ee5\u6eff\u8db3\u4e0d\u540c\u7684\u61c9\u7528\u9700\u6c42\u3002\u4e86\u89e3\u9019\u4e9b\u6578\u64da\u985e\u578b\u7684\u7279\u6027\u53ca\u5176\u4f7f\u7528\u60c5\u5883\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u6709\u6548\u5730\u8a2d\u8a08\u548c\u7ba1\u7406\u6578\u64da\u5eab\u3002\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u985e\u578b\u4e0d\u50c5\u80fd\u63d0\u9ad8\u6027\u80fd\uff0c\u9084\u80fd\u7bc0\u7701\u5b58\u5132\u7a7a\u9593\u3002\u82e5\u60a8\u5c0d\u65bc<code>VPS<\/code>\u3001<code>\u9999\u6e2fVPS<\/code>\u6216\u5176\u4ed6<code>\u4e91\u670d\u52a1\u5668<\/code>\u7684\u9700\u6c42\u611f\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a href=\"https:\/\/server.hk\">Server.HK<\/a> \u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3Oracle\u6578\u64da\u985e\u578b\u7684\u7279\u6027\uff0c\u5305\u62ec\u6578\u5b57\u3001\u5b57\u7b26\u3001\u65e5\u671f\u7b49\uff0c\u5e6b\u52a9\u60a8\u6709\u6548\u7ba1\u7406\u548c\u512a\u5316\u6578\u64da\u5eab\u8a2d\u8a08\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-96034","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96034","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=96034"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96034\/revisions"}],"predecessor-version":[{"id":96035,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96034\/revisions\/96035"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96034"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96034"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96034"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}