{"id":95986,"date":"2024-10-20T05:39:18","date_gmt":"2024-10-19T21:39:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/95986\/"},"modified":"2024-10-20T05:39:19","modified_gmt":"2024-10-19T21:39:19","slug":"oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e6%bc%a2%e5%ad%97%e9%95%b7%e5%ba%a6%e9%99%90%e5%88%b6%e5%8f%8a%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-orcle%e6%95%b8%e6%93%9a%e5%ba%ab%e6%bc%a2%e5%ad%97","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/95986\/","title":{"rendered":"Oracle\u6578\u64da\u5eab\u4e2d\u6f22\u5b57\u9577\u5ea6\u9650\u5236\u53ca\u89e3\u6c7a\u65b9\u6848 (orcle\u6578\u64da\u5eab\u6f22\u5b57\u9577\u5ea6)"},"content":{"rendered":"<h1 id=\"oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e6%bc%a2%e5%ad%97%e9%95%b7%e5%ba%a6%e9%99%90%e5%88%b6%e5%8f%8a%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-CbuRXIVsEP\">Oracle\u6578\u64da\u5eab\u4e2d\u6f22\u5b57\u9577\u5ea6\u9650\u5236\u53ca\u89e3\u6c7a\u65b9\u6848<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u6f22\u5b57\u7684\u8655\u7406\u6210\u70ba\u4e86\u4e00\u500b\u91cd\u8981\u7684\u8b70\u984c\u3002\u7279\u5225\u662f\u5728\u4f7f\u7528Oracle\u6578\u64da\u5eab\u6642\uff0c\u6f22\u5b57\u7684\u9577\u5ea6\u9650\u5236\u53ef\u80fd\u6703\u5f71\u97ff\u5230\u6578\u64da\u7684\u5b58\u5132\u548c\u67e5\u8a62\u6548\u7387\u3002\u672c\u6587\u5c07\u63a2\u8a0eOracle\u6578\u64da\u5eab\u4e2d\u6f22\u5b57\u7684\u9577\u5ea6\u9650\u5236\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e5%ad%97%e7%ac%a6%e9%9b%86-CbuRXIVsEP\">Oracle\u6578\u64da\u5eab\u4e2d\u7684\u5b57\u7b26\u96c6<\/h2>\n<p>Oracle\u6578\u64da\u5eab\u652f\u6301\u591a\u7a2e\u5b57\u7b26\u96c6\uff0c\u5176\u4e2d\u5305\u62ecUTF-8\u548cAL32UTF8\u7b49\u3002\u9019\u4e9b\u5b57\u7b26\u96c6\u80fd\u5920\u6709\u6548\u5730\u8655\u7406\u591a\u7a2e\u8a9e\u8a00\u7684\u5b57\u7b26\uff0c\u5305\u62ec\u6f22\u5b57\u3002\u7136\u800c\uff0c\u6f22\u5b57\u7684\u5b58\u5132\u65b9\u5f0f\u548c\u5b57\u7b26\u96c6\u7684\u9078\u64c7\u6703\u76f4\u63a5\u5f71\u97ff\u5230\u5176\u9577\u5ea6\u9650\u5236\u3002<\/p>\n<h2 id=\"%e6%bc%a2%e5%ad%97%e7%9a%84%e9%95%b7%e5%ba%a6%e9%99%90%e5%88%b6-CbuRXIVsEP\">\u6f22\u5b57\u7684\u9577\u5ea6\u9650\u5236<\/h2>\n<p>\u5728Oracle\u6578\u64da\u5eab\u4e2d\uff0c\u5b57\u7b26\u7684\u9577\u5ea6\u9650\u5236\u4e3b\u8981\u53d6\u6c7a\u65bc\u6240\u4f7f\u7528\u7684\u6578\u64da\u985e\u578b\u3002\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u7684\u6578\u64da\u985e\u578b\u53ca\u5176\u5c0d\u6f22\u5b57\u7684\u9577\u5ea6\u9650\u5236\uff1a<\/p>\n<ul>\n<li><strong>CHAR<\/strong>: \u56fa\u5b9a\u9577\u5ea6\u5b57\u7b26\u985e\u578b\uff0c\u6700\u5927\u9577\u5ea6\u70ba2000\u5b57\u7bc0\u3002\u7531\u65bc\u6f22\u5b57\u901a\u5e38\u4f54\u75283\u500b\u5b57\u7bc0\uff0c\u56e0\u6b64\u6700\u591a\u53ef\u5b58\u5132\u7d04666\u500b\u6f22\u5b57\u3002<\/li>\n<li><strong>VARCHAR2<\/strong>: \u53ef\u8b8a\u9577\u5ea6\u5b57\u7b26\u985e\u578b\uff0c\u6700\u5927\u9577\u5ea6\u70ba4000\u5b57\u7bc0\u3002\u9019\u610f\u5473\u8457\u6700\u591a\u53ef\u5b58\u5132\u7d041333\u500b\u6f22\u5b57\u3002<\/li>\n<li><strong>NCHAR<\/strong>: \u56fa\u5b9a\u9577\u5ea6\u7684Unicode\u5b57\u7b26\u985e\u578b\uff0c\u6700\u5927\u9577\u5ea6\u70ba2000\u500b\u5b57\u7b26\uff0c\u9069\u5408\u5b58\u5132\u6f22\u5b57\u3002<\/li>\n<li><strong>NVARCHAR2<\/strong>: \u53ef\u8b8a\u9577\u5ea6\u7684Unicode\u5b57\u7b26\u985e\u578b\uff0c\u6700\u5927\u9577\u5ea6\u70ba4000\u500b\u5b57\u7b26\uff0c\u9069\u5408\u5b58\u5132\u6f22\u5b57\u3002<\/li>\n<\/ul>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u4f7f\u7528CHAR\u548cVARCHAR2\u985e\u578b\u6642\uff0c\u6f22\u5b57\u7684\u5b57\u7bc0\u6578\u6703\u5f71\u97ff\u5230\u5be6\u969b\u53ef\u5b58\u5132\u7684\u5b57\u7b26\u6578\u91cf\u3002\u56e0\u6b64\uff0c\u5728\u8a2d\u8a08\u6578\u64da\u5eab\u6642\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u985e\u578b\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-CbuRXIVsEP\">\u89e3\u6c7a\u65b9\u6848<\/h2>\n<p>\u70ba\u4e86\u514b\u670d\u6f22\u5b57\u9577\u5ea6\u9650\u5236\u7684\u554f\u984c\uff0c\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u7a2e\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8unicode%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-CbuRXIVsEP\">1. \u4f7f\u7528Unicode\u6578\u64da\u985e\u578b<\/h3>\n<p>\u9078\u64c7NCHAR\u6216NVARCHAR2\u6578\u64da\u985e\u578b\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6f22\u5b57\u9577\u5ea6\u9650\u5236\u7684\u554f\u984c\u3002\u9019\u4e9b\u6578\u64da\u985e\u578b\u5c08\u70baUnicode\u5b57\u7b26\u8a2d\u8a08\uff0c\u80fd\u5920\u652f\u6301\u591a\u7a2e\u8a9e\u8a00\u7684\u5b57\u7b26\uff0c\u4e26\u4e14\u4e0d\u6703\u53d7\u5230\u5b57\u7bc0\u6578\u7684\u9650\u5236\u3002<\/p>\n<pre><code>CREATE TABLE example (\n    id NUMBER,\n    name NVARCHAR2(4000)\n);\n<\/code><\/pre>\n<h3 id=\"2-%e8%aa%bf%e6%95%b4%e5%ad%97%e7%ac%a6%e9%9b%86-CbuRXIVsEP\">2. \u8abf\u6574\u5b57\u7b26\u96c6<\/h3>\n<p>\u5728\u5275\u5efa\u6578\u64da\u5eab\u6642\uff0c\u9078\u64c7\u5408\u9069\u7684\u5b57\u7b26\u96c6\u4e5f\u975e\u5e38\u91cd\u8981\u3002\u4f7f\u7528AL32UTF8\u5b57\u7b26\u96c6\u53ef\u4ee5\u66f4\u597d\u5730\u652f\u6301\u6f22\u5b57\u7684\u5b58\u5132\uff0c\u4e26\u4e14\u80fd\u5920\u63d0\u9ad8\u6578\u64da\u7684\u517c\u5bb9\u6027\u3002<\/p>\n<pre><code>CREATE DATABASE example\nCHARACTER SET AL32UTF8;\n<\/code><\/pre>\n<h3 id=\"3-%e5%88%86%e6%ae%b5%e5%ad%98%e5%84%b2-CbuRXIVsEP\">3. \u5206\u6bb5\u5b58\u5132<\/h3>\n<p>\u5982\u679c\u9700\u8981\u5b58\u5132\u7684\u6f22\u5b57\u6578\u91cf\u8d85\u904e\u4e86\u6578\u64da\u985e\u578b\u7684\u9650\u5236\uff0c\u53ef\u4ee5\u8003\u616e\u5c07\u6578\u64da\u5206\u6bb5\u5b58\u5132\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u5c07\u9577\u6587\u672c\u5206\u6210\u591a\u500b\u5b57\u6bb5\u9032\u884c\u5b58\u5132\uff0c\u7136\u5f8c\u5728\u67e5\u8a62\u6642\u9032\u884c\u5408\u4f75\u3002<\/p>\n<pre><code>CREATE TABLE example (\n    id NUMBER,\n    part1 NVARCHAR2(2000),\n    part2 NVARCHAR2(2000)\n);\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-CbuRXIVsEP\">\u7e3d\u7d50<\/h2>\n<p>\u5728Oracle\u6578\u64da\u5eab\u4e2d\uff0c\u6f22\u5b57\u7684\u9577\u5ea6\u9650\u5236\u4e3b\u8981\u53d6\u6c7a\u65bc\u6240\u9078\u64c7\u7684\u6578\u64da\u985e\u578b\u548c\u5b57\u7b26\u96c6\u3002\u901a\u904e\u4f7f\u7528Unicode\u6578\u64da\u985e\u578b\u3001\u8abf\u6574\u5b57\u7b26\u96c6\u4ee5\u53ca\u5206\u6bb5\u5b58\u5132\u7b49\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6f22\u5b57\u9577\u5ea6\u9650\u5236\u7684\u554f\u984c\u3002\u9019\u4e9b\u89e3\u6c7a\u65b9\u6848\u4e0d\u50c5\u80fd\u63d0\u9ad8\u6578\u64da\u7684\u5b58\u5132\u6548\u7387\uff0c\u9084\u80fd\u589e\u5f37\u6578\u64da\u7684\u517c\u5bb9\u6027\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a>\u4f86\u652f\u6301\u60a8\u7684Oracle\u6578\u64da\u5eab\u9700\u6c42\u3002\u7121\u8ad6\u662f\u6578\u64da\u5eab\u7ba1\u7406\u9084\u662f\u61c9\u7528\u958b\u767c\uff0c\u9078\u64c7\u5408\u9069\u7684\u670d\u52d9\u5668\u90fd\u80fd\u70ba\u60a8\u7684\u696d\u52d9\u63d0\u4f9b\u5f37\u6709\u529b\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u8a0eOracle\u6578\u64da\u5eab\u4e2d\u6f22\u5b57\u9577\u5ea6\u9650\u5236\u7684\u539f\u56e0\u53ca\u6709\u6548\u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u512a\u5316\u6578\u64da\u5b58\u5132\u8207\u8655\u7406\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-95986","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95986","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=95986"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95986\/revisions"}],"predecessor-version":[{"id":95987,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95986\/revisions\/95987"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=95986"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=95986"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=95986"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}