{"id":93710,"date":"2024-10-19T16:16:19","date_gmt":"2024-10-19T08:16:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/93710\/"},"modified":"2024-10-19T16:16:20","modified_gmt":"2024-10-19T08:16:20","slug":"ora-64202-%e9%81%87%e5%88%b0%e9%81%a0%e7%a8%8b%e8%87%a8%e6%99%82%e6%88%96%e6%8a%bd%e8%b1%a1-lob-%e5%ae%9a%e4%bd%8d%e7%ac%a6-oracle-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9-%e9%81%a0","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/93710\/","title":{"rendered":"ORA-64202: \u9047\u5230\u9060\u7a0b\u81e8\u6642\u6216\u62bd\u8c61 LOB \u5b9a\u4f4d\u7b26 ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-64202-%e9%81%87%e5%88%b0%e9%81%a0%e7%a8%8b%e8%87%a8%e6%99%82%e6%88%96%e6%8a%bd%e8%b1%a1-lob-%e5%ae%9a%e4%bd%8d%e7%ac%a6-oracle-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9-%e9%81%a0-kktehoMlWF\">ORA-64202: \u9047\u5230\u9060\u7a0b\u81e8\u6642\u6216\u62bd\u8c61 LOB \u5b9a\u4f4d\u7b26 ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406<\/h1>\n<p>\u5728\u4f7f\u7528 Oracle \u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\u4ee3\u78bc\uff0c\u5176\u4e2d\u4e4b\u4e00\u4fbf\u662f <code>ORA-64202<\/code>\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8207\u9060\u7a0b\u81e8\u6642\u6216\u62bd\u8c61 LOB\uff08Large Object\uff09\u5b9a\u4f4d\u7b26\u6709\u95dc\uff0c\u4e26\u53ef\u80fd\u5728\u9032\u884c\u6578\u64da\u64cd\u4f5c\u6642\u51fa\u73fe\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u6b64\u932f\u8aa4\u7684\u6210\u56e0\u3001\u5f71\u97ff\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"ora-64202-%e9%8c%af%e8%aa%a4%e7%9a%84%e6%88%90%e5%9b%a0-kktehoMlWF\">ORA-64202 \u932f\u8aa4\u7684\u6210\u56e0<\/h2>\n<p>\u7576\u4f60\u5728 Oracle \u6578\u64da\u5eab\u4e2d\u4f7f\u7528 LOB \u985e\u578b\u7684\u6578\u64da\u6642\uff0c\u53ef\u80fd\u6703\u9047\u5230 <code>ORA-64202<\/code> \u932f\u8aa4\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li>\u5617\u8a66\u5728\u9060\u7a0b\u6578\u64da\u5eab\u4e2d\u64cd\u4f5c LOB \u5c0d\u8c61\u6642\uff0c\u8a72\u5c0d\u8c61\u7684\u5b9a\u4f4d\u7b26\u7121\u6cd5\u6b63\u78ba\u89e3\u6790\u3002<\/li>\n<li>\u4f7f\u7528\u4e86\u4e0d\u6b63\u78ba\u7684 LOB \u5b9a\u4f4d\u7b26\uff0c\u5c0e\u81f4 Oracle \u7121\u6cd5\u627e\u5230\u76f8\u61c9\u7684\u6578\u64da\u3002<\/li>\n<li>\u5728\u9032\u884c LOB \u64cd\u4f5c\u6642\uff0c\u6578\u64da\u5eab\u9023\u63a5\u4e2d\u65b7\u6216\u51fa\u73fe\u7db2\u7d61\u554f\u984c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e7%9a%84%e5%bd%b1%e9%9f%bf-kktehoMlWF\">\u932f\u8aa4\u7684\u5f71\u97ff<\/h2>\n<p>\u7576 <code>ORA-64202<\/code> \u932f\u8aa4\u767c\u751f\u6642\uff0c\u6703\u5c0e\u81f4\u4ee5\u4e0b\u5f71\u97ff\uff1a<\/p>\n<ul>\n<li>\u7121\u6cd5\u6210\u529f\u57f7\u884c\u6d89\u53ca LOB \u7684 SQL \u67e5\u8a62\u6216\u64cd\u4f5c\u3002<\/li>\n<li>\u53ef\u80fd\u5c0e\u81f4\u61c9\u7528\u7a0b\u5e8f\u5d29\u6f70\u6216\u7121\u6cd5\u6b63\u5e38\u904b\u884c\u3002<\/li>\n<li>\u5f71\u97ff\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\uff0c\u7279\u5225\u662f\u5728\u9032\u884c\u5927\u6578\u64da\u91cf\u64cd\u4f5c\u6642\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9%e6%ad%a5%e9%a9%9f-kktehoMlWF\">\u6545\u969c\u4fee\u5fa9\u6b65\u9a5f<\/h2>\n<p>\u70ba\u4e86\u89e3\u6c7a <code>ORA-64202<\/code> \u932f\u8aa4\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\u6545\u969c\u6392\u9664\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5-lob-%e5%ae%9a%e4%bd%8d%e7%ac%a6-kktehoMlWF\">1. \u6aa2\u67e5 LOB \u5b9a\u4f4d\u7b26<\/h3>\n<p>\u9996\u5148\uff0c\u78ba\u4fdd\u4f7f\u7528\u7684 LOB \u5b9a\u4f4d\u7b26\u662f\u6b63\u78ba\u7684\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b SQL \u67e5\u8a62\u4f86\u6aa2\u67e5 LOB \u7684\u72c0\u614b\uff1a<\/p>\n<pre><code>SELECT dbms_lob.getlength(your_lob_column) FROM your_table WHERE your_condition;<\/code><\/pre>\n<p>\u5982\u679c\u8fd4\u56de\u7684\u9577\u5ea6\u70ba <code>NULL<\/code>\uff0c\u5247\u53ef\u80fd\u662f\u5b9a\u4f4d\u7b26\u7121\u6548\u3002<\/p>\n<h3 id=\"2-%e7%a2%ba%e8%aa%8d%e7%b6%b2%e7%b5%a1%e9%80%a3%e6%8e%a5-kktehoMlWF\">2. \u78ba\u8a8d\u7db2\u7d61\u9023\u63a5<\/h3>\n<p>\u6aa2\u67e5\u8207\u9060\u7a0b\u6578\u64da\u5eab\u7684\u7db2\u7d61\u9023\u63a5\u662f\u5426\u6b63\u5e38\u3002\u53ef\u4ee5\u4f7f\u7528 <code>tnsping<\/code> \u547d\u4ee4\u4f86\u6e2c\u8a66\u9023\u63a5\uff1a<\/p>\n<pre><code>tnsping your_remote_database<\/code><\/pre>\n<p>\u5982\u679c\u9023\u63a5\u4e0d\u7a69\u5b9a\uff0c\u5247\u9700\u8981\u89e3\u6c7a\u7db2\u7d61\u554f\u984c\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e6%ad%a3%e7%a2%ba%e7%9a%84-lob-%e6%93%8d%e4%bd%9c%e6%96%b9%e6%b3%95-kktehoMlWF\">3. \u4f7f\u7528\u6b63\u78ba\u7684 LOB \u64cd\u4f5c\u65b9\u6cd5<\/h3>\n<p>\u5728\u64cd\u4f5c LOB \u6642\uff0c\u78ba\u4fdd\u4f7f\u7528\u6b63\u78ba\u7684\u65b9\u6cd5\u3002\u4f8b\u5982\uff0c\u4f7f\u7528 <code>DBMS_LOB<\/code> \u5305\u4f86\u8b80\u53d6\u548c\u5beb\u5165 LOB \u6578\u64da\uff1a<\/p>\n<pre><code>DECLARE\n    l_blob BLOB;\nBEGIN\n    SELECT your_lob_column INTO l_blob FROM your_table WHERE your_condition;\n    -- \u9032\u884c LOB \u64cd\u4f5c\nEND;<\/code><\/pre>\n<h3 id=\"4-%e6%9b%b4%e6%96%b0-oracle-%e6%95%b8%e6%93%9a%e5%ba%ab-kktehoMlWF\">4. \u66f4\u65b0 Oracle \u6578\u64da\u5eab<\/h3>\n<p>\u5982\u679c\u4ee5\u4e0a\u6b65\u9a5f\u7121\u6cd5\u89e3\u6c7a\u554f\u984c\uff0c\u8003\u616e\u66f4\u65b0 Oracle \u6578\u64da\u5eab\u5230\u6700\u65b0\u7248\u672c\u3002\u67d0\u4e9b\u7248\u672c\u7684 Oracle \u53ef\u80fd\u5b58\u5728\u5df2\u77e5\u7684 LOB \u8655\u7406\u554f\u984c\uff0c\u66f4\u65b0\u5f8c\u53ef\u80fd\u6703\u4fee\u5fa9\u9019\u4e9b\u554f\u984c\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-kktehoMlWF\">\u7e3d\u7d50<\/h2>\n<p>\u5728\u8655\u7406 Oracle \u6578\u64da\u5eab\u4e2d\u7684 LOB \u6642\uff0c<code>ORA-64202<\/code> \u932f\u8aa4\u53ef\u80fd\u6703\u5f71\u97ff\u6578\u64da\u64cd\u4f5c\u7684\u6b63\u5e38\u9032\u884c\u3002\u901a\u904e\u6aa2\u67e5 LOB \u5b9a\u4f4d\u7b26\u3001\u78ba\u8a8d\u7db2\u7d61\u9023\u63a5\u3001\u4f7f\u7528\u6b63\u78ba\u7684\u64cd\u4f5c\u65b9\u6cd5\u4ee5\u53ca\u66f4\u65b0\u6578\u64da\u5eab\u7248\u672c\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6b64\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u6574\u9ad4\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7a ORA-64202 \u932f\u8aa4\uff0c\u8655\u7406\u9060\u7a0b\u81e8\u6642\u6216\u62bd\u8c61 LOB \u5b9a\u4f4d\u7b26\u554f\u984c\uff0c\u63d0\u4f9b\u6709\u6548\u7684\u6545\u969c\u4fee\u5fa9\u548c\u9060\u7a0b\u8655\u7406\u65b9\u6848\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-93710","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93710","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=93710"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93710\/revisions"}],"predecessor-version":[{"id":93711,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93710\/revisions\/93711"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=93710"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=93710"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=93710"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}