{"id":96970,"date":"2024-10-20T13:53:17","date_gmt":"2024-10-20T05:53:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96970\/"},"modified":"2024-10-20T13:53:17","modified_gmt":"2024-10-20T05:53:17","slug":"python-oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e6%93%8d%e4%bd%9c%e6%99%82%ef%bc%8c%e4%b8%ad%e6%96%87%e6%9f%a5%e8%a9%a2%e5%a0%b1%e9%8c%af","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96970\/","title":{"rendered":"Python oracle\u6578\u64da\u5eab\u64cd\u4f5c\u6642\uff0c\u4e2d\u6587\u67e5\u8a62\u5831\u932f"},"content":{"rendered":"<h1 id=\"python-oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e6%93%8d%e4%bd%9c%e6%99%82%ef%bc%8c%e4%b8%ad%e6%96%87%e6%9f%a5%e8%a9%a2%e5%a0%b1%e9%8c%af-nAlUBnPOyI\">Python Oracle\u6578\u64da\u5eab\u64cd\u4f5c\u6642\uff0c\u4e2d\u6587\u67e5\u8a62\u5831\u932f<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0cPython\u4f5c\u70ba\u4e00\u7a2e\u6d41\u884c\u7684\u7de8\u7a0b\u8a9e\u8a00\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u6578\u64da\u5eab\u64cd\u4f5c\u4e2d\u3002\u7279\u5225\u662f\u8207Oracle\u6578\u64da\u5eab\u7684\u7d50\u5408\uff0c\u80fd\u5920\u6709\u6548\u5730\u8655\u7406\u5927\u91cf\u6578\u64da\u3002\u7136\u800c\uff0c\u5728\u9032\u884c\u4e2d\u6587\u67e5\u8a62\u6642\uff0c\u958b\u767c\u8005\u7d93\u5e38\u6703\u9047\u5230\u5831\u932f\u7684\u60c5\u6cc1\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u9019\u4e9b\u554f\u984c\u7684\u6839\u6e90\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e5%95%8f%e9%a1%8c%e6%a0%b9%e6%ba%90-nAlUBnPOyI\">\u554f\u984c\u6839\u6e90<\/h2>\n<p>\u5728Python\u8207Oracle\u6578\u64da\u5eab\u4ea4\u4e92\u6642\uff0c\u4e2d\u6587\u67e5\u8a62\u5831\u932f\u7684\u539f\u56e0\u4e3b\u8981\u6709\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n<ul>\n<li><strong>\u5b57\u7b26\u7de8\u78bc\u4e0d\u5339\u914d\uff1a<\/strong>Python\u7684\u9ed8\u8a8d\u5b57\u7b26\u7de8\u78bc\u70baUTF-8\uff0c\u800cOracle\u6578\u64da\u5eab\u53ef\u80fd\u4f7f\u7528\u4e0d\u540c\u7684\u5b57\u7b26\u96c6\uff08\u5982AL32UTF8\u6216ZHS16GBK\uff09\u3002\u5982\u679c\u5169\u8005\u4e4b\u9593\u7684\u7de8\u78bc\u4e0d\u4e00\u81f4\uff0c\u5c07\u5c0e\u81f4\u67e5\u8a62\u5931\u6557\u3002<\/li>\n<li><strong>\u6578\u64da\u5eab\u9023\u63a5\u914d\u7f6e\u554f\u984c\uff1a<\/strong>\u5728\u9023\u63a5Oracle\u6578\u64da\u5eab\u6642\uff0c\u82e5\u672a\u6b63\u78ba\u8a2d\u7f6e\u5b57\u7b26\u96c6\uff0c\u5c07\u7121\u6cd5\u6b63\u78ba\u8655\u7406\u4e2d\u6587\u5b57\u7b26\u3002<\/li>\n<li><strong>SQL\u8a9e\u53e5\u683c\u5f0f\u932f\u8aa4\uff1a<\/strong>\u5728\u7de8\u5bebSQL\u8a9e\u53e5\u6642\uff0c\u82e5\u672a\u6b63\u78ba\u4f7f\u7528\u5f15\u865f\u6216\u8f49\u7fa9\u5b57\u7b26\uff0c\u4e5f\u53ef\u80fd\u5c0e\u81f4\u67e5\u8a62\u5931\u6557\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-nAlUBnPOyI\">\u89e3\u6c7a\u65b9\u6848<\/h2>\n<p>\u70ba\u4e86\u89e3\u6c7a\u4e2d\u6587\u67e5\u8a62\u5831\u932f\u7684\u554f\u984c\uff0c\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e7%a2%ba%e8%aa%8d%e5%ad%97%e7%ac%a6%e9%9b%86-nAlUBnPOyI\">1. \u78ba\u8a8d\u5b57\u7b26\u96c6<\/h3>\n<p>\u9996\u5148\uff0c\u78ba\u4fddOracle\u6578\u64da\u5eab\u7684\u5b57\u7b26\u96c6\u8207Python\u7684\u5b57\u7b26\u7de8\u78bc\u4e00\u81f4\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0bSQL\u8a9e\u53e5\u6aa2\u67e5\u6578\u64da\u5eab\u7684\u5b57\u7b26\u96c6\uff1a<\/p>\n<pre><code>SELECT value FROM v$nls_parameters WHERE parameter = 'NLS_CHARACTERSET';<\/code><\/pre>\n<p>\u5982\u679c\u767c\u73fe\u5b57\u7b26\u96c6\u4e0d\u4e00\u81f4\uff0c\u53ef\u4ee5\u8003\u616e\u5728Python\u4e2d\u9032\u884c\u8f49\u78bc\uff0c\u6216\u5728\u6578\u64da\u5eab\u4e2d\u9032\u884c\u5b57\u7b26\u96c6\u7684\u8abf\u6574\u3002<\/p>\n<h3 id=\"2-%e8%a8%ad%e7%bd%ae%e9%80%a3%e6%8e%a5%e5%ad%97%e7%ac%a6%e9%9b%86-nAlUBnPOyI\">2. \u8a2d\u7f6e\u9023\u63a5\u5b57\u7b26\u96c6<\/h3>\n<p>\u5728\u4f7f\u7528cx_Oracle\u5eab\u9023\u63a5Oracle\u6578\u64da\u5eab\u6642\uff0c\u53ef\u4ee5\u901a\u904e\u8a2d\u7f6e\u5b57\u7b26\u96c6\u4f86\u89e3\u6c7a\u554f\u984c\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n<pre><code>import cx_Oracle\n\n# \u8a2d\u7f6e\u9023\u63a5\u5b57\u7b26\u4e32\ndsn = cx_Oracle.makedsn('hostname', 'port', service_name='service_name')\nconnection = cx_Oracle.connect(user='username', password='password', dsn=dsn, encoding='UTF-8', nencoding='UTF-8')\n<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u5728\u9023\u63a5\u6642\u4f7f\u7528\u6b63\u78ba\u7684\u5b57\u7b26\u96c6\u3002<\/p>\n<h3 id=\"3-%e6%ad%a3%e7%a2%ba%e7%b7%a8%e5%af%absql%e8%aa%9e%e5%8f%a5-nAlUBnPOyI\">3. \u6b63\u78ba\u7de8\u5bebSQL\u8a9e\u53e5<\/h3>\n<p>\u5728\u7de8\u5bebSQL\u8a9e\u53e5\u6642\uff0c\u78ba\u4fdd\u4f7f\u7528\u6b63\u78ba\u7684\u5f15\u865f\u548c\u8f49\u7fa9\u5b57\u7b26\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u4e2d\u6587\u5b57\u7b26\uff0c\u61c9\u4f7f\u7528\u55ae\u5f15\u865f\u5305\u88f9\uff1a<\/p>\n<pre><code>query = \"SELECT * FROM table_name WHERE column_name = '\u4e2d\u6587\u503c'\"\ncursor.execute(query)\n<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u56e0\u683c\u5f0f\u932f\u8aa4\u800c\u5c0e\u81f4\u7684\u67e5\u8a62\u5931\u6557\u3002<\/p>\n<h2 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-nAlUBnPOyI\">\u793a\u4f8b\u4ee3\u78bc<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u5b8c\u6574\u7684\u793a\u4f8b\u4ee3\u78bc\uff0c\u5c55\u793a\u5982\u4f55\u5728Python\u4e2d\u67e5\u8a62Oracle\u6578\u64da\u5eab\u4e2d\u7684\u4e2d\u6587\u6578\u64da\uff1a<\/p>\n<pre><code>import cx_Oracle\n\n# \u8a2d\u7f6e\u9023\u63a5\u5b57\u7b26\u4e32\ndsn = cx_Oracle.makedsn('hostname', 'port', service_name='service_name')\nconnection = cx_Oracle.connect(user='username', password='password', dsn=dsn, encoding='UTF-8', nencoding='UTF-8')\n\ncursor = connection.cursor()\n\n# \u67e5\u8a62\u4e2d\u6587\u6578\u64da\nquery = \"SELECT * FROM table_name WHERE column_name = '\u4e2d\u6587\u503c'\"\ncursor.execute(query)\n\nfor row in cursor.fetchall():\n    print(row)\n\ncursor.close()\nconnection.close()\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-nAlUBnPOyI\">\u7e3d\u7d50<\/h2>\n<p>\u5728\u4f7f\u7528Python\u9032\u884cOracle\u6578\u64da\u5eab\u64cd\u4f5c\u6642\uff0c\u4e2d\u6587\u67e5\u8a62\u5831\u932f\u7684\u554f\u984c\u4e3b\u8981\u6e90\u65bc\u5b57\u7b26\u7de8\u78bc\u4e0d\u5339\u914d\u3001\u9023\u63a5\u914d\u7f6e\u4e0d\u7576\u53caSQL\u8a9e\u53e5\u683c\u5f0f\u932f\u8aa4\u3002\u901a\u904e\u78ba\u8a8d\u5b57\u7b26\u96c6\u3001\u8a2d\u7f6e\u6b63\u78ba\u7684\u9023\u63a5\u5b57\u7b26\u96c6\u4ee5\u53ca\u6b63\u78ba\u7de8\u5bebSQL\u8a9e\u53e5\uff0c\u53ef\u4ee5\u6709\u6548\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u904b\u884c\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684<a href=\"https:\/\/server.hk\">VPS<\/a>\u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u9ad8\u6548\u6027\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7aPython\u64cd\u4f5cOracle\u6578\u64da\u5eab\u6642\u4e2d\u6587\u67e5\u8a62\u5831\u932f\u7684\u554f\u984c\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u78ba\u4fdd\u6b63\u78ba\u986f\u793a\u4e2d\u6587\u5b57\u7b26\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-96970","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96970","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=96970"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96970\/revisions"}],"predecessor-version":[{"id":96971,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96970\/revisions\/96971"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96970"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96970"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96970"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}