{"id":95610,"date":"2024-10-20T02:30:18","date_gmt":"2024-10-19T18:30:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/95610\/"},"modified":"2024-10-20T02:30:19","modified_gmt":"2024-10-19T18:30:19","slug":"oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e9%a1%9e%e5%9e%8blong%e5%8a%9f%e8%83%bd%e7%9a%84%e4%bb%8b%e7%b4%b9","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/95610\/","title":{"rendered":"Oracle\u6578\u64da\u5eab\u7684\u985e\u578bLONG\u529f\u80fd\u7684\u4ecb\u7d39"},"content":{"rendered":"<h1 id=\"oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e9%a1%9e%e5%9e%8blong%e5%8a%9f%e8%83%bd%e7%9a%84%e4%bb%8b%e7%b4%b9-SlhvLfErjY\">Oracle\u6578\u64da\u5eab\u7684\u985e\u578bLONG\u529f\u80fd\u7684\u4ecb\u7d39<\/h1>\n<p>\u5728Oracle\u6578\u64da\u5eab\u4e2d\uff0cLONG\u6578\u64da\u985e\u578b\u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u6578\u64da\u985e\u578b\uff0c\u4e3b\u8981\u7528\u65bc\u5b58\u5132\u5927\u91cf\u7684\u5b57\u7b26\u6578\u64da\u3002LONG\u985e\u578b\u7684\u6578\u64da\u53ef\u4ee5\u5b58\u5132\u6700\u591a\u9054\u52302GB\u7684\u5b57\u7b26\u6578\uff0c\u9019\u4f7f\u5f97\u5b83\u5728\u67d0\u4e9b\u7279\u5b9a\u7684\u61c9\u7528\u5834\u666f\u4e2d\u975e\u5e38\u6709\u7528\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eLONG\u6578\u64da\u985e\u578b\u7684\u7279\u6027\u3001\u4f7f\u7528\u60c5\u5883\u4ee5\u53ca\u5176\u5728Oracle\u6578\u64da\u5eab\u4e2d\u7684\u61c9\u7528\u3002<\/p>\n<h2 id=\"long%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e7%9a%84%e7%89%b9%e6%80%a7-SlhvLfErjY\">LONG\u6578\u64da\u985e\u578b\u7684\u7279\u6027<\/h2>\n<p>LONG\u6578\u64da\u985e\u578b\u7684\u4e3b\u8981\u7279\u6027\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u5b58\u5132\u5bb9\u91cf\uff1a<\/strong>LONG\u985e\u578b\u53ef\u4ee5\u5b58\u5132\u7684\u6578\u64da\u91cf\u975e\u5e38\u5927\uff0c\u6700\u591a\u53ef\u90542GB\uff0c\u9019\u4f7f\u5f97\u5b83\u9069\u5408\u7528\u65bc\u5b58\u5132\u5927\u578b\u6587\u672c\u6216\u4e8c\u9032\u5236\u6578\u64da\u3002<\/li>\n<li><strong>\u55ae\u4e00\u5217\u9650\u5236\uff1a<\/strong>\u5728\u4e00\u500b\u8868\u4e2d\uff0c\u6700\u591a\u53ea\u80fd\u6709\u4e00\u500bLONG\u985e\u578b\u7684\u5217\uff0c\u9019\u662f\u5176\u4f7f\u7528\u4e0a\u7684\u4e00\u500b\u9650\u5236\u3002<\/li>\n<li><strong>\u4e0d\u652f\u6301\u7d22\u5f15\uff1a<\/strong>LONG\u985e\u578b\u7684\u5217\u4e0d\u80fd\u88ab\u7d22\u5f15\uff0c\u9019\u53ef\u80fd\u6703\u5f71\u97ff\u67e5\u8a62\u6027\u80fd\u3002<\/li>\n<li><strong>\u64cd\u4f5c\u9650\u5236\uff1a<\/strong>\u5c0dLONG\u985e\u578b\u7684\u6578\u64da\u9032\u884c\u64cd\u4f5c\u6642\uff0c\u6709\u4e00\u4e9b\u9650\u5236\uff0c\u4f8b\u5982\u4e0d\u80fd\u4f7f\u7528\u67d0\u4e9bSQL\u51fd\u6578\u3002<\/li>\n<\/ul>\n<h2 id=\"long%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e7%9a%84%e4%bd%bf%e7%94%a8%e6%83%85%e5%a2%83-SlhvLfErjY\">LONG\u6578\u64da\u985e\u578b\u7684\u4f7f\u7528\u60c5\u5883<\/h2>\n<p>LONG\u6578\u64da\u985e\u578b\u901a\u5e38\u7528\u65bc\u4ee5\u4e0b\u5e7e\u7a2e\u60c5\u5883\uff1a<\/p>\n<ul>\n<li><strong>\u5b58\u5132\u5927\u578b\u6587\u672c\uff1a<\/strong>\u4f8b\u5982\uff0c\u5b58\u5132\u6587\u7ae0\u3001\u5831\u544a\u6216\u5176\u4ed6\u9700\u8981\u5927\u91cf\u5b57\u7b26\u7684\u6587\u672c\u6578\u64da\u3002<\/li>\n<li><strong>\u5b58\u5132\u4e8c\u9032\u5236\u6578\u64da\uff1a<\/strong>\u5982\u5716\u50cf\u3001\u97f3\u983b\u6216\u8996\u983b\u6587\u4ef6\u7b49\u3002<\/li>\n<li><strong>\u820a\u7cfb\u7d71\u7684\u517c\u5bb9\u6027\uff1a<\/strong>\u5728\u67d0\u4e9b\u820a\u7684\u61c9\u7528\u7a0b\u5e8f\u4e2d\uff0cLONG\u985e\u578b\u4ecd\u7136\u88ab\u5ee3\u6cdb\u4f7f\u7528\uff0c\u56e0\u6b64\u5728\u9032\u884c\u6578\u64da\u9077\u79fb\u6642\u53ef\u80fd\u9700\u8981\u4fdd\u7559\u9019\u4e00\u985e\u578b\u3002<\/li>\n<\/ul>\n<h2 id=\"long%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e7%9a%84%e6%93%8d%e4%bd%9c%e7%a4%ba%e4%be%8b-SlhvLfErjY\">LONG\u6578\u64da\u985e\u578b\u7684\u64cd\u4f5c\u793a\u4f8b<\/h2>\n<p>\u5728Oracle\u6578\u64da\u5eab\u4e2d\uff0c\u4f7f\u7528LONG\u6578\u64da\u985e\u578b\u7684\u57fa\u672c\u64cd\u4f5c\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n<pre><code>-- \u5275\u5efa\u4e00\u500b\u5305\u542bLONG\u985e\u578b\u7684\u8868\nCREATE TABLE example_table (\n    id NUMBER,\n    long_text LONG\n);\n\n-- \u63d2\u5165\u6578\u64da\nINSERT INTO example_table (id, long_text) VALUES (1, '\u9019\u662f\u4e00\u6bb5\u9577\u6587\u672c\uff0c\u5305\u542b\u5927\u91cf\u7684\u5b57\u7b26\u3002');\n\n-- \u67e5\u8a62\u6578\u64da\nSELECT long_text FROM example_table WHERE id = 1;\n<\/code><\/pre>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5c0d\u65bcLONG\u985e\u578b\u7684\u6578\u64da\uff0c\u67e5\u8a62\u6642\u53ef\u80fd\u6703\u9047\u5230\u4e00\u4e9b\u9650\u5236\uff0c\u4f8b\u5982\u4e0d\u80fd\u76f4\u63a5\u4f7f\u7528\u67d0\u4e9b\u5b57\u7b26\u4e32\u51fd\u6578\u3002<\/p>\n<h2 id=\"long%e8%88%87clob%e7%9a%84%e6%af%94%e8%bc%83-SlhvLfErjY\">LONG\u8207CLOB\u7684\u6bd4\u8f03<\/h2>\n<p>\u5728Oracle\u6578\u64da\u5eab\u4e2d\uff0cLONG\u985e\u578b\u8207CLOB\uff08Character Large Object\uff09\u985e\u578b\u6709\u4e00\u4e9b\u76f8\u4f3c\u4e4b\u8655\uff0c\u4f46\u4e5f\u5b58\u5728\u986f\u8457\u7684\u5dee\u7570\uff1a<\/p>\n<ul>\n<li><strong>\u5b58\u5132\u5bb9\u91cf\uff1a<\/strong>CLOB\u985e\u578b\u53ef\u4ee5\u5b58\u5132\u66f4\u5927\u7684\u6578\u64da\u91cf\uff0c\u6700\u591a\u53ef\u90544GB\u3002<\/li>\n<li><strong>\u591a\u5217\u652f\u6301\uff1a<\/strong>\u5728\u4e00\u500b\u8868\u4e2d\uff0c\u53ef\u4ee5\u6709\u591a\u500bCLOB\u985e\u578b\u7684\u5217\uff0c\u800cLONG\u985e\u578b\u5247\u53ea\u80fd\u6709\u4e00\u500b\u3002<\/li>\n<li><strong>\u7d22\u5f15\u652f\u6301\uff1a<\/strong>CLOB\u985e\u578b\u53ef\u4ee5\u88ab\u7d22\u5f15\uff0c\u9019\u4f7f\u5f97\u67e5\u8a62\u6027\u80fd\u66f4\u4f73\u3002<\/li>\n<\/ul>\n<p>\u56e0\u6b64\uff0c\u5728\u65b0\u7684\u61c9\u7528\u7a0b\u5e8f\u4e2d\uff0c\u5efa\u8b70\u4f7f\u7528CLOB\u985e\u578b\u4f86\u66ff\u4ee3LONG\u985e\u578b\uff0c\u56e0\u70baCLOB\u63d0\u4f9b\u4e86\u66f4\u597d\u7684\u9748\u6d3b\u6027\u548c\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-SlhvLfErjY\">\u7e3d\u7d50<\/h2>\n<p>LONG\u6578\u64da\u985e\u578b\u5728Oracle\u6578\u64da\u5eab\u4e2d\u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u6578\u64da\u985e\u578b\uff0c\u9069\u5408\u7528\u65bc\u5b58\u5132\u5927\u91cf\u5b57\u7b26\u6578\u64da\u3002\u96d6\u7136\u5b83\u5728\u67d0\u4e9b\u60c5\u5883\u4e0b\u4ecd\u7136\u6709\u5176\u4f7f\u7528\u50f9\u503c\uff0c\u4f46\u7531\u65bc\u5176\u9650\u5236\uff0c\u5efa\u8b70\u5728\u65b0\u958b\u767c\u7684\u61c9\u7528\u4e2d\u8003\u616e\u4f7f\u7528CLOB\u985e\u578b\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u5b58\u5132\u548c\u67e5\u8a62\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u985e\u578b\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc<code><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/code>\u548c<code><a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a><\/code>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3Oracle\u6578\u64da\u5eab\u4e2dLONG\u985e\u578b\u7684\u529f\u80fd\uff0c\u63a2\u7d22\u5176\u7279\u6027\u3001\u7528\u9014\u53ca\u5728\u6578\u64da\u7ba1\u7406\u4e2d\u7684\u91cd\u8981\u6027\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-95610","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95610","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=95610"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95610\/revisions"}],"predecessor-version":[{"id":95611,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95610\/revisions\/95611"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=95610"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=95610"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=95610"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}