{"id":59593,"date":"2024-10-12T23:16:20","date_gmt":"2024-10-12T15:16:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/59593\/"},"modified":"2024-10-12T23:16:20","modified_gmt":"2024-10-12T15:16:20","slug":"clob%ef%bc%9a%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e5%a4%a7%e5%ad%97%e6%ae%b5%e9%a1%9e%e5%9e%8b%e8%a9%b3%e8%a7%a3-%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9f%a5%e5%87%ba%e4%be%86%e6%98%afclob","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/59593\/","title":{"rendered":"CLOB\uff1a\u6578\u64da\u5eab\u4e2d\u7684\u5927\u5b57\u6bb5\u985e\u578b\u8a73\u89e3 (\u6578\u64da\u5eab\u67e5\u51fa\u4f86\u662fclob)"},"content":{"rendered":"<h1 id=\"clob%ef%bc%9a%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e5%a4%a7%e5%ad%97%e6%ae%b5%e9%a1%9e%e5%9e%8b%e8%a9%b3%e8%a7%a3-%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9f%a5%e5%87%ba%e4%be%86%e6%98%afclob-QKhHrXssAW\">CLOB\uff1a\u6578\u64da\u5eab\u4e2d\u7684\u5927\u5b57\u6bb5\u985e\u578b\u8a73\u89e3 (\u6578\u64da\u5eab\u67e5\u51fa\u4f86\u662fclob)<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0cCLOB\uff08Character Large Object\uff09\u662f\u4e00\u7a2e\u7528\u65bc\u5b58\u5132\u5927\u91cf\u6587\u672c\u6578\u64da\u7684\u6578\u64da\u985e\u578b\u3002CLOB\u7684\u4e3b\u8981\u7279\u9ede\u662f\u80fd\u5920\u5b58\u5132\u8d85\u904e\u5e38\u898f\u5b57\u7b26\u4e32\u985e\u578b\u6240\u80fd\u5bb9\u7d0d\u7684\u5b57\u7b26\u6578\uff0c\u9019\u4f7f\u5f97\u5b83\u5728\u8655\u7406\u5927\u6587\u672c\u6578\u64da\u6642\u975e\u5e38\u6709\u7528\uff0c\u4f8b\u5982\u6587\u7ae0\u3001\u5831\u544a\u3001\u65e5\u8a8c\u6587\u4ef6\u7b49\u3002<\/p>\n<h2 id=\"clob%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-QKhHrXssAW\">CLOB\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>CLOB\u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u6578\u64da\u985e\u578b\uff0c\u901a\u5e38\u7528\u65bc\u95dc\u806f\u578b\u6578\u64da\u5eab\u4e2d\u3002\u5b83\u7684\u8a2d\u8a08\u76ee\u7684\u662f\u70ba\u4e86\u5b58\u5132\u5927\u91cf\u7684\u5b57\u7b26\u6578\u64da\uff0c\u901a\u5e38\u53ef\u4ee5\u9054\u5230\u6578GB\u7684\u5927\u5c0f\u3002\u8207VARCHAR\u6216TEXT\u7b49\u5176\u4ed6\u5b57\u7b26\u4e32\u985e\u578b\u76f8\u6bd4\uff0cCLOB\u80fd\u5920\u8655\u7406\u66f4\u5927\u7684\u6578\u64da\u91cf\uff0c\u4e26\u4e14\u5728\u6578\u64da\u5eab\u4e2d\u4ee5\u4e0d\u540c\u7684\u65b9\u5f0f\u9032\u884c\u5b58\u5132\u548c\u7ba1\u7406\u3002<\/p>\n<h2 id=\"clob%e7%9a%84%e4%bd%bf%e7%94%a8%e5%a0%b4%e6%99%af-QKhHrXssAW\">CLOB\u7684\u4f7f\u7528\u5834\u666f<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684CLOB\u4f7f\u7528\u5834\u666f\uff1a<\/p>\n<ul>\n<li><strong>\u6587\u6a94\u5b58\u5132\uff1a<\/strong>\u8a31\u591a\u61c9\u7528\u7a0b\u5e8f\u9700\u8981\u5b58\u5132\u9577\u6587\u672c\uff0c\u5982PDF\u6587\u4ef6\u3001Word\u6587\u6a94\u6216\u5176\u4ed6\u985e\u578b\u7684\u6587\u6a94\u5167\u5bb9\u3002<\/li>\n<li><strong>\u65e5\u8a8c\u6578\u64da\uff1a<\/strong>\u7cfb\u7d71\u65e5\u8a8c\u6216\u61c9\u7528\u7a0b\u5e8f\u65e5\u8a8c\u901a\u5e38\u5305\u542b\u5927\u91cf\u7684\u6587\u672c\u4fe1\u606f\uff0c\u4f7f\u7528CLOB\u53ef\u4ee5\u6709\u6548\u5730\u5b58\u5132\u9019\u4e9b\u6578\u64da\u3002<\/li>\n<li><strong>\u7db2\u9801\u5167\u5bb9\uff1a<\/strong>\u5728\u5167\u5bb9\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u7db2\u9801\u7684HTML\u5167\u5bb9\u53ef\u4ee5\u4f7f\u7528CLOB\u4f86\u5b58\u5132\uff0c\u7279\u5225\u662f\u7576\u5167\u5bb9\u975e\u5e38\u9f90\u5927\u6642\u3002<\/li>\n<\/ul>\n<h2 id=\"clob%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab%e5%af%a6%e7%8f%be-QKhHrXssAW\">CLOB\u7684\u6578\u64da\u5eab\u5be6\u73fe<\/h2>\n<p>\u4e0d\u540c\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u5c0dCLOB\u7684\u5be6\u73fe\u53ef\u80fd\u6703\u6709\u6240\u4e0d\u540c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4e3b\u6d41\u6578\u64da\u5eab\u7cfb\u7d71\u4e2dCLOB\u7684\u5be6\u73fe\u65b9\u5f0f\uff1a<\/p>\n<h3 id=\"1-oracle-QKhHrXssAW\">1. Oracle<\/h3>\n<p>\u5728Oracle\u6578\u64da\u5eab\u4e2d\uff0cCLOB\u6578\u64da\u985e\u578b\u53ef\u4ee5\u5b58\u5132\u6700\u591a4GB\u7684\u5b57\u7b26\u6578\u64da\u3002\u4f7f\u7528CLOB\u6642\uff0c\u53ef\u4ee5\u901a\u904ePL\/SQL\u9032\u884c\u64cd\u4f5c\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre><code>DECLARE\n    my_clob CLOB;\nBEGIN\n    my_clob := '\u9019\u662f\u4e00\u6bb5\u9577\u6587\u672c\u3002';\n    INSERT INTO my_table (clob_column) VALUES (my_clob);\nEND;<\/code><\/pre>\n<h3 id=\"2-mysql-QKhHrXssAW\">2. MySQL<\/h3>\n<p>\u5728MySQL\u4e2d\uff0cCLOB\u901a\u5e38\u88ab\u7a31\u70baTEXT\u985e\u578b\uff0c\u4e26\u4e14\u6709\u591a\u7a2e\u8b8a\u9ad4\uff0c\u5982TINYTEXT\u3001TEXT\u3001MEDIUMTEXT\u548cLONGTEXT\uff0c\u5206\u5225\u652f\u6301\u4e0d\u540c\u7684\u5b57\u7b26\u6578\u91cf\u3002LONGTEXT\u53ef\u4ee5\u5b58\u5132\u6700\u591a4GB\u7684\u6587\u672c\u6578\u64da\u3002<\/p>\n<h3 id=\"3-postgresql-QKhHrXssAW\">3. PostgreSQL<\/h3>\n<p>PostgreSQL\u4f7f\u7528TEXT\u985e\u578b\u4f86\u5be6\u73feCLOB\uff0c\u4e26\u4e14\u6c92\u6709\u5927\u5c0f\u9650\u5236\uff0c\u7406\u8ad6\u4e0a\u53ef\u4ee5\u5b58\u5132\u52302GB\u7684\u6587\u672c\u6578\u64da\u3002\u4f7f\u7528\u793a\u4f8b\uff1a<\/p>\n<pre><code>INSERT INTO my_table (text_column) VALUES ('\u9019\u662f\u4e00\u6bb5\u9577\u6587\u672c\u3002');<\/code><\/pre>\n<h2 id=\"clob%e7%9a%84%e5%84%aa%e7%bc%ba%e9%bb%9e-QKhHrXssAW\">CLOB\u7684\u512a\u7f3a\u9ede<\/h2>\n<p>\u4f7f\u7528CLOB\u6709\u5176\u512a\u7f3a\u9ede\uff1a<\/p>\n<ul>\n<li><strong>\u512a\u9ede\uff1a<\/strong>\n<ul>\n<li>\u80fd\u5920\u5b58\u5132\u5927\u91cf\u6587\u672c\u6578\u64da\uff0c\u9069\u5408\u5927\u6587\u4ef6\u7684\u5b58\u5132\u9700\u6c42\u3002<\/li>\n<li>\u652f\u6301\u591a\u7a2e\u6578\u64da\u5eab\u64cd\u4f5c\uff0c\u5982\u67e5\u8a62\u3001\u66f4\u65b0\u548c\u522a\u9664\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u7f3a\u9ede\uff1a<\/strong>\n<ul>\n<li>\u5728\u6027\u80fd\u4e0a\uff0c\u5c0d\u65bc\u5c0f\u578b\u6587\u672c\u6578\u64da\uff0c\u4f7f\u7528CLOB\u53ef\u80fd\u6703\u5c0e\u81f4\u4e0d\u5fc5\u8981\u7684\u958b\u92b7\u3002<\/li>\n<li>\u67d0\u4e9b\u6578\u64da\u5eab\u7cfb\u7d71\u5c0dCLOB\u7684\u64cd\u4f5c\u53ef\u80fd\u8f03\u70ba\u8907\u96dc\uff0c\u9700\u984d\u5916\u8003\u616e\u6027\u80fd\u512a\u5316\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-QKhHrXssAW\">\u7e3d\u7d50<\/h2>\n<p>CLOB\u4f5c\u70ba\u4e00\u7a2e\u5c08\u9580\u7528\u65bc\u5b58\u5132\u5927\u6587\u672c\u6578\u64da\u7684\u6578\u64da\u985e\u578b\uff0c\u5728\u8a31\u591a\u61c9\u7528\u5834\u666f\u4e2d\u90fd\u986f\u5f97\u5c24\u70ba\u91cd\u8981\u3002\u7121\u8ad6\u662f\u5728\u6587\u6a94\u5b58\u5132\u3001\u65e5\u8a8c\u6578\u64da\u9084\u662f\u7db2\u9801\u5167\u5bb9\u7ba1\u7406\u4e2d\uff0cCLOB\u90fd\u80fd\u63d0\u4f9b\u9748\u6d3b\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u5c0d\u65bc\u9700\u8981\u8655\u7406\u5927\u91cf\u6587\u672c\u6578\u64da\u7684\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u4e86\u89e3CLOB\u7684\u7279\u6027\u53ca\u5176\u5728\u4e0d\u540c\u6578\u64da\u5eab\u4e2d\u7684\u5be6\u73fe\u65b9\u5f0f\u662f\u975e\u5e38\u5fc5\u8981\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u652f\u6301\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u7121\u8ad6\u662f\u5b58\u5132CLOB\u9084\u662f\u5176\u4ed6\u6578\u64da\u985e\u578b\uff0cServer.HK\u90fd\u80fd\u63d0\u4f9b\u7a69\u5b9a\u7684\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3CLOB\uff08Character Large Object\uff09\u5728\u6578\u64da\u5eab\u4e2d\u7684\u61c9\u7528\uff0c\u63a2\u7d22\u5176\u7279\u6027\u3001\u512a\u52e2\u53ca\u4f7f\u7528\u5834\u666f\uff0c\u52a9\u60a8\u6709\u6548\u7ba1\u7406\u5927\u5b57\u6bb5\u6578\u64da\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-59593","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/59593","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=59593"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/59593\/revisions"}],"predecessor-version":[{"id":59594,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/59593\/revisions\/59594"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=59593"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=59593"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=59593"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}