{"id":5747,"date":"2024-11-14T08:56:53","date_gmt":"2024-11-14T00:56:53","guid":{"rendered":"https:\/\/fwq.ai\/blog\/5747\/"},"modified":"2024-11-14T08:56:53","modified_gmt":"2024-11-14T00:56:53","slug":"oracle%e4%b8%ad%e4%b9%b1%e7%a0%81%e6%80%8e%e4%b9%88%e8%a7%a3%e5%86%b3","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/5747\/","title":{"rendered":"oracle\u4e2d\u4e71\u7801\u600e\u4e48\u89e3\u51b3"},"content":{"rendered":"<blockquote><p>\n  oracle \u4e71\u7801\u95ee\u9898\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u89e3\u51b3\uff1a\u68c0\u67e5\u6570\u636e\u5e93\u5b57\u7b26\u96c6\u4ee5\u786e\u4fdd\u4e0e\u6570\u636e\u76f8\u5339\u914d\u3002\u8bbe\u7f6e\u5ba2\u6237\u7aef\u5b57\u7b26\u96c6\u4ee5\u4e0e\u6570\u636e\u5e93\u76f8\u5339\u914d\u3002\u8f6c\u6362\u6570\u636e\u6216\u4fee\u6539\u5217\u5b57\u7b26\u96c6\u4ee5\u5339\u914d\u6570\u636e\u5e93\u5b57\u7b26\u96c6\u3002\u4f7f\u7528 unicode \u5b57\u7b26\u96c6\uff0c\u5e76\u907f\u514d\u591a\u5b57\u8282\u5b57\u7b26\u96c6\u3002\u68c0\u67e5\u6570\u636e\u5e93\u548c\u5ba2\u6237\u7aef\u7684\u8bed\u8a00\u8bbe\u7f6e\u662f\u5426\u6b63\u786e\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202405\/30\/2024053021572154721.jpg\" class=\"aligncenter\" title=\"oracle\u4e2d\u4e71\u7801\u600e\u4e48\u89e3\u51b3\u63d2\u56fe\" alt=\"oracle\u4e2d\u4e71\u7801\u600e\u4e48\u89e3\u51b3\u63d2\u56fe\" \/><\/p>\n<p><strong>Oracle \u4e2d\u4e71\u7801\u89e3\u51b3\u65b9\u6848<\/strong><\/p>\n<p>Oracle \u4e2d\u4e71\u7801\u95ee\u9898\u662f\u4e00\u4e2a\u5e38\u89c1\u95ee\u9898\uff0c\u53ef\u80fd\u4f1a\u5bf9\u6570\u636e\u5e93\u64cd\u4f5c\u9020\u6210\u56f0\u96be\u3002\u4ee5\u4e0b\u662f\u89e3\u51b3 Oracle \u4e71\u7801\u95ee\u9898\u7684\u6b65\u9aa4\uff1a<\/p>\n<p><strong>\u68c0\u67e5\u6570\u636e\u5e93\u5b57\u7b26\u96c6<\/strong><\/p>\n<ul>\n<li>\u786e\u4fdd\u6570\u636e\u5e93\u7684\u5b57\u7b26\u96c6\u4e0e\u60a8\u8981\u5bfc\u5165\u6216\u5199\u5165\u7684\u6570\u636e\u7684\u5b57\u7b26\u96c6\u76f8\u5339\u914d\u3002<\/li>\n<li>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u68c0\u67e5\u6570\u636e\u5e93\u5b57\u7b26\u96c6\uff1aSELECT * FROM V$NLS_PARAMETERS WHERE PARAMETER = &#8216;NLS_CHARACTERSET&#8217;;<\/li>\n<\/ul>\n<p><strong>\u8bbe\u7f6e\u5ba2\u6237\u7aef\u5b57\u7b26\u96c6<\/strong><\/p>\n<ul>\n<li>\u786e\u4fdd\u5ba2\u6237\u7aef\uff08\u4f8b\u5982 SQL*Plus\uff09\u7684\u5b57\u7b26\u96c6\u4e0e\u6570\u636e\u5e93\u5b57\u7b26\u96c6\u76f8\u5339\u914d\u3002<\/li>\n<li>\u5728 SQL*Plus \u4e2d\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u8bbe\u7f6e\u5ba2\u6237\u7aef\u5b57\u7b26\u96c6\uff1aALTER SESSION SET NLS_CHARACTERSET=&#8217;UTF8&#8242;;<\/li>\n<\/ul>\n<p><strong>\u8f6c\u6362\u6570\u636e<\/strong><\/p>\n<ul>\n<li>\u5982\u679c\u6570\u636e\u4ee5\u4e0d\u540c\u7684\u5b57\u7b26\u96c6\u5b58\u50a8\uff0c\u5219\u9700\u8981\u5c06\u5176\u8f6c\u6362\u4e3a\u4e0e\u6570\u636e\u5e93\u5b57\u7b26\u96c6\u76f8\u5339\u914d\u7684\u5b57\u7b26\u96c6\u3002<\/li>\n<li>\n<p>\u53ef\u4ee5\u4f7f\u7528 NLS_LANG \u73af\u5883\u53d8\u91cf\u6216 CONVERT \u51fd\u6570\u8fdb\u884c\u8f6c\u6362\uff1a<\/p>\n<ul>\n<li>\u8bbe\u7f6e NLS_LANG \u73af\u5883\u53d8\u91cf\uff1aexport NLS_LANG=AMERICAN_AMERICA.UTF8<\/li>\n<li>\u4f7f\u7528 CONVERT \u51fd\u6570\uff1aSELECT CONVERT(&#8216;\u4e2d\u6587&#8217;, &#8216;GB2312&#8217;, &#8216;AL32UTF8&#8217;) FROM DUAL;<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>\u4fee\u6539\u5217\u5b57\u7b26\u96c6<\/strong><\/p>\n<ul>\n<li>\u5982\u679c\u6570\u636e\u5e93\u5b57\u7b26\u96c6\u4e0e\u6570\u636e\u5b57\u7b26\u96c6\u4e0d\u540c\uff0c\u5e76\u4e14\u65e0\u6cd5\u8f6c\u6362\u6570\u636e\uff0c\u5219\u53ef\u4ee5\u66f4\u6539\u5217\u7684\u5b57\u7b26\u96c6\u3002<\/li>\n<li>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u66f4\u6539\u5217\u5b57\u7b26\u96c6\uff1aALTER TABLE table_name MODIFY column_name datatype CHARACTER SET charset_name;<\/li>\n<\/ul>\n<p><strong>\u5176\u4ed6\u63d0\u793a<\/strong><\/p>\n<ul>\n<li>\u59cb\u7ec8\u4f7f\u7528 Unicode \u5b57\u7b26\u96c6\uff08\u4f8b\u5982 UTF-8\uff09\uff0c\u56e0\u4e3a\u5b83\u53ef\u4ee5\u652f\u6301\u5e7f\u6cdb\u7684\u5b57\u7b26\u3002<\/li>\n<li>\u907f\u514d\u4f7f\u7528\u591a\u5b57\u8282\u5b57\u7b26\u96c6\uff0c\u56e0\u4e3a\u5b83\u4eec\u53ef\u80fd\u96be\u4ee5\u7ba1\u7406\u3002<\/li>\n<li>\u5982\u679c\u4e71\u7801\u95ee\u9898\u4ecd\u7136\u5b58\u5728\uff0c\u8bf7\u68c0\u67e5\u6570\u636e\u5e93\u548c\u5ba2\u6237\u7aef\u7684\u8bed\u8a00\u8bbe\u7f6e\u662f\u5426\u6b63\u786e\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662f\u4e2d\u4e71\u7801\u600e\u4e48\u89e3\u51b3\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>oracle \u4e71\u7801\u95ee\u9898\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u89e3\u51b3\uff1a\u68c0\u67e5\u6570\u636e\u5e93\u5b57\u7b26\u96c6\u4ee5\u786e\u4fdd\u4e0e\u6570\u636e\u76f8\u5339\u914d\u3002\u8bbe\u7f6e\u5ba2\u6237\u7aef\u5b57\u7b26\u96c6\u4ee5\u4e0e\u6570\u636e\u5e93\u76f8\u5339\u914d\u3002\u8f6c\u6362\u6570\u636e\u6216\u4fee\u6539\u5217\u5b57\u7b26\u96c6\u4ee5\u5339\u914d\u6570\u636e\u5e93\u5b57\u7b26\u96c6\u3002\u4f7f\u7528 unicode \u5b57\u7b26\u96c6\uff0c\u5e76\u907f\u514d\u591a\u5b57\u8282\u5b57\u7b26\u96c6\u3002\u68c0\u67e5\u6570\u636e\u5e93\u548c\u5ba2\u6237\u7aef\u7684\u8bed\u8a00\u8bbe\u7f6e\u662f\u5426\u6b63\u786e\u3002 Oracle \u4e2d\u4e71\u7801\u89e3\u51b3\u65b9\u6848 Oracle \u4e2d\u4e71\u7801\u95ee\u9898\u662f\u4e00\u4e2a\u5e38\u89c1\u95ee\u9898\uff0c\u53ef\u80fd\u4f1a\u5bf9\u6570\u636e\u5e93\u64cd\u4f5c\u9020\u6210\u56f0\u96be\u3002\u4ee5\u4e0b\u662f\u89e3\u51b3 Oracle \u4e71\u7801\u95ee\u9898\u7684\u6b65\u9aa4\uff1a \u68c0\u67e5\u6570\u636e\u5e93\u5b57\u7b26\u96c6 \u786e\u4fdd\u6570\u636e\u5e93\u7684\u5b57\u7b26\u96c6\u4e0e\u60a8\u8981\u5bfc\u5165\u6216\u5199\u5165\u7684\u6570\u636e\u7684\u5b57\u7b26\u96c6\u76f8\u5339\u914d\u3002 \u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u68c0\u67e5\u6570\u636e\u5e93\u5b57\u7b26\u96c6\uff1aSELECT * FROM V$NLS_PARAMETERS WHERE PARAMETER = &#8216;NLS_CHARACTERSET&#8217;; \u8bbe\u7f6e\u5ba2\u6237\u7aef\u5b57\u7b26\u96c6 \u786e\u4fdd\u5ba2\u6237\u7aef\uff08\u4f8b\u5982 SQL*Plus\uff09\u7684\u5b57\u7b26\u96c6\u4e0e\u6570\u636e\u5e93\u5b57\u7b26\u96c6\u76f8\u5339\u914d\u3002 \u5728 SQL*Plus \u4e2d\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u8bbe\u7f6e\u5ba2\u6237\u7aef\u5b57\u7b26\u96c6\uff1aALTER SESSION SET NLS_CHARACTERSET=&#8217;UTF8&#8242;; \u8f6c\u6362\u6570\u636e \u5982\u679c\u6570\u636e\u4ee5\u4e0d\u540c\u7684\u5b57\u7b26\u96c6\u5b58\u50a8\uff0c\u5219\u9700\u8981\u5c06\u5176\u8f6c\u6362\u4e3a\u4e0e\u6570\u636e\u5e93\u5b57\u7b26\u96c6\u76f8\u5339\u914d\u7684\u5b57\u7b26\u96c6\u3002 \u53ef\u4ee5\u4f7f\u7528 NLS_LANG \u73af\u5883\u53d8\u91cf\u6216 CONVERT \u51fd\u6570\u8fdb\u884c\u8f6c\u6362\uff1a \u8bbe\u7f6e NLS_LANG \u73af\u5883\u53d8\u91cf\uff1aexport NLS_LANG=AMERICAN_AMERICA.UTF8 \u4f7f\u7528 CONVERT \u51fd\u6570\uff1aSELECT CONVERT(&#8216;\u4e2d\u6587&#8217;, &#8216;GB2312&#8217;, &#8216;AL32UTF8&#8217;) FROM DUAL; \u4fee\u6539\u5217\u5b57\u7b26\u96c6 \u5982\u679c\u6570\u636e\u5e93\u5b57\u7b26\u96c6\u4e0e\u6570\u636e\u5b57\u7b26\u96c6\u4e0d\u540c\uff0c\u5e76\u4e14\u65e0\u6cd5\u8f6c\u6362\u6570\u636e\uff0c\u5219\u53ef\u4ee5\u66f4\u6539\u5217\u7684\u5b57\u7b26\u96c6\u3002 \u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u66f4\u6539\u5217\u5b57\u7b26\u96c6\uff1aALTER TABLE table_name MODIFY column_name [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-5747","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5747","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=5747"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5747\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=5747"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=5747"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=5747"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}