{"id":157122,"date":"2024-11-02T21:58:01","date_gmt":"2024-11-02T13:58:01","guid":{"rendered":"https:\/\/server.hk\/cnblog\/157122\/"},"modified":"2024-11-02T21:58:03","modified_gmt":"2024-11-02T13:58:03","slug":"%e4%bc%ba%e6%9c%8d%e5%99%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b7%a8%e7%a2%bc%e6%a0%bc%e5%bc%8f%e6%9f%a5%e8%a9%a2%e6%96%b9%e6%b3%95%e8%a9%b3%e8%a7%a3%ef%bc%88%e5%a6%82%e4%bd%95%e6%9f%a5%e7%9c%8b%e4%bc%ba","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/157122\/","title":{"rendered":"\u4f3a\u670d\u5668\u6578\u64da\u5eab\u7de8\u78bc\u683c\u5f0f\u67e5\u8a62\u65b9\u6cd5\u8a73\u89e3\uff08\u5982\u4f55\u67e5\u770b\u4f3a\u670d\u5668\u4e0a\u662f\u6578\u64da\u5eab\u7de8\u78bc\u683c\u5f0f\uff09"},"content":{"rendered":"<h1 id=\"%e4%bc%ba%e6%9c%8d%e5%99%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b7%a8%e7%a2%bc%e6%a0%bc%e5%bc%8f%e6%9f%a5%e8%a9%a2%e6%96%b9%e6%b3%95%e8%a9%b3%e8%a7%a3-EomfutcHkJ\">\u4f3a\u670d\u5668\u6578\u64da\u5eab\u7de8\u78bc\u683c\u5f0f\u67e5\u8a62\u65b9\u6cd5\u8a73\u89e3<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u7de8\u78bc\u683c\u5f0f\u5c0d\u65bc\u6578\u64da\u7684\u5b58\u5132\u548c\u6aa2\u7d22\u81f3\u95dc\u91cd\u8981\u3002\u6b63\u78ba\u7684\u7de8\u78bc\u683c\u5f0f\u80fd\u5920\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u53ef\u8b80\u6027\uff0c\u7279\u5225\u662f\u5728\u591a\u8a9e\u8a00\u74b0\u5883\u4e2d\u3002\u672c\u6587\u5c07\u8a73\u7d30\u4ecb\u7d39\u5982\u4f55\u67e5\u8a62\u4f3a\u670d\u5668\u4e0a\u7684\u6578\u64da\u5eab\u7de8\u78bc\u683c\u5f0f\uff0c\u5e6b\u52a9\u7528\u6236\u66f4\u597d\u5730\u7ba1\u7406\u548c\u7dad\u8b77\u5176\u6578\u64da\u5eab\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b7%a8%e7%a2%bc%e6%a0%bc%e5%bc%8f%ef%bc%9f-EomfutcHkJ\">\u4ec0\u9ebc\u662f\u6578\u64da\u5eab\u7de8\u78bc\u683c\u5f0f\uff1f<\/h2>\n<p>\u6578\u64da\u5eab\u7de8\u78bc\u683c\u5f0f\u662f\u6307\u5728\u6578\u64da\u5eab\u4e2d\u5b58\u5132\u5b57\u7b26\u7684\u65b9\u5f0f\u3002\u4e0d\u540c\u7684\u7de8\u78bc\u683c\u5f0f\u652f\u6301\u4e0d\u540c\u7684\u5b57\u7b26\u96c6\uff0c\u9019\u5c0d\u65bc\u591a\u8a9e\u8a00\u61c9\u7528\u7a0b\u5e8f\u5c24\u70ba\u91cd\u8981\u3002\u5e38\u898b\u7684\u7de8\u78bc\u683c\u5f0f\u5305\u62ec UTF-8\u3001UTF-16\u3001ISO-8859-1 \u7b49\u3002\u9078\u64c7\u5408\u9069\u7684\u7de8\u78bc\u683c\u5f0f\u53ef\u4ee5\u907f\u514d\u6578\u64da\u640d\u58de\u548c\u986f\u793a\u932f\u8aa4\u3002<\/p>\n<h2 id=\"%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b7%a8%e7%a2%bc%e6%a0%bc%e5%bc%8f%e7%9a%84%e6%96%b9%e6%b3%95-EomfutcHkJ\">\u67e5\u8a62\u6578\u64da\u5eab\u7de8\u78bc\u683c\u5f0f\u7684\u65b9\u6cd5<\/h2>\n<p>\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u7684\u67e5\u8a62\u6578\u64da\u5eab\u7de8\u78bc\u683c\u5f0f\u7684\u65b9\u6cd5\uff0c\u6839\u64da\u4e0d\u540c\u7684\u6578\u64da\u5eab\u7cfb\u7d71\uff0c\u5177\u9ad4\u7684\u67e5\u8a62\u8a9e\u53e5\u53ef\u80fd\u6703\u6709\u6240\u4e0d\u540c\u3002<\/p>\n<h3 id=\"1-mysql-EomfutcHkJ\">1. MySQL<\/h3>\n<p>\u5728 MySQL \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u67e5\u8a62\u4f86\u67e5\u770b\u6578\u64da\u5eab\u7684\u7de8\u78bc\u683c\u5f0f\uff1a<\/p>\n<pre><code>SHOW VARIABLES LIKE 'character_set_database';<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u8fd4\u56de\u7576\u524d\u6578\u64da\u5eab\u7684\u5b57\u7b26\u96c6\u3002\u5982\u679c\u9700\u8981\u67e5\u770b\u6240\u6709\u8868\u7684\u5b57\u7b26\u96c6\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n<pre><code>SELECT table_name, character_set_name \nFROM information_schema.tables \nWHERE table_schema = 'your_database_name';<\/code><\/pre>\n<h3 id=\"2-postgresql-EomfutcHkJ\">2. PostgreSQL<\/h3>\n<p>\u5728 PostgreSQL \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u67e5\u8a62\u6578\u64da\u5eab\u7684\u7de8\u78bc\u683c\u5f0f\uff1a<\/p>\n<pre><code>SELECT pg_encoding_to_char(encoding) \nFROM pg_database \nWHERE datname = 'your_database_name';<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u6307\u5b9a\u6578\u64da\u5eab\u7684\u7de8\u78bc\u683c\u5f0f\u3002\u5982\u679c\u60f3\u67e5\u770b\u6240\u6709\u6578\u64da\u5eab\u7684\u7de8\u78bc\u683c\u5f0f\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n<pre><code>SELECT datname, pg_encoding_to_char(encoding) \nFROM pg_database;<\/code><\/pre>\n<h3 id=\"3-sql-server-EomfutcHkJ\">3. SQL Server<\/h3>\n<p>\u5728 SQL Server \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u67e5\u770b\u6578\u64da\u5eab\u7684\u7de8\u78bc\u683c\u5f0f\uff1a<\/p>\n<pre><code>SELECT name, collation_name \nFROM sys.databases \nWHERE name = 'your_database_name';<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u6307\u5b9a\u6578\u64da\u5eab\u7684\u6392\u5e8f\u898f\u5247\uff0c\u5f9e\u4e2d\u53ef\u4ee5\u63a8\u65b7\u51fa\u5176\u7de8\u78bc\u683c\u5f0f\u3002<\/p>\n<h3 id=\"4-oracle-EomfutcHkJ\">4. Oracle<\/h3>\n<p>\u5728 Oracle \u6578\u64da\u5eab\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u67e5\u770b\u5b57\u7b26\u96c6\uff1a<\/p>\n<pre><code>SELECT value \nFROM v$nls_parameters \nWHERE parameter = 'NLS_CHARACTERSET';<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u7576\u524d\u6578\u64da\u5eab\u7684\u5b57\u7b26\u96c6\u4fe1\u606f\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-EomfutcHkJ\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li>\u5728\u67e5\u8a62\u7de8\u78bc\u683c\u5f0f\u4e4b\u524d\uff0c\u78ba\u4fdd\u60a8\u64c1\u6709\u8db3\u5920\u7684\u6b0a\u9650\u4f86\u8a2a\u554f\u6578\u64da\u5eab\u3002<\/li>\n<li>\u4e0d\u540c\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u53ef\u80fd\u6703\u6709\u4e0d\u540c\u7684\u9ed8\u8a8d\u7de8\u78bc\u683c\u5f0f\uff0c\u4e86\u89e3\u9019\u4e9b\u5dee\u7570\u6709\u52a9\u65bc\u66f4\u597d\u5730\u7ba1\u7406\u6578\u64da\u3002<\/li>\n<li>\u5728\u9032\u884c\u6578\u64da\u9077\u79fb\u6216\u5099\u4efd\u6642\uff0c\u52d9\u5fc5\u78ba\u8a8d\u7de8\u78bc\u683c\u5f0f\u7684\u4e00\u81f4\u6027\uff0c\u4ee5\u907f\u514d\u6578\u64da\u640d\u58de\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-EomfutcHkJ\">\u7e3d\u7d50<\/h2>\n<p>\u4e86\u89e3\u4f3a\u670d\u5668\u4e0a\u6578\u64da\u5eab\u7684\u7de8\u78bc\u683c\u5f0f\u5c0d\u65bc\u6578\u64da\u7684\u6b63\u78ba\u8655\u7406\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u4e0a\u8ff0\u65b9\u6cd5\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u67e5\u8a62\u4e0d\u540c\u6578\u64da\u5eab\u7cfb\u7d71\u7684\u7de8\u78bc\u683c\u5f0f\uff0c\u5f9e\u800c\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u53ef\u8b80\u6027\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u9084\u662f <a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u67e5\u8a62\u4f3a\u670d\u5668\u4e0a\u7684\u6578\u64da\u5eab\u7de8\u78bc\u683c\u5f0f\uff0c\u638c\u63e1\u7de8\u78bc\u683c\u5f0f\u7684\u67e5\u770b\u65b9\u6cd5\uff0c\u63d0\u5347\u6578\u64da\u7ba1\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-157122","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/157122","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=157122"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/157122\/revisions"}],"predecessor-version":[{"id":157123,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/157122\/revisions\/157123"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=157122"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=157122"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=157122"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}