{"id":88642,"date":"2024-10-18T09:40:18","date_gmt":"2024-10-18T01:40:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/88642\/"},"modified":"2024-10-18T09:40:19","modified_gmt":"2024-10-18T01:40:19","slug":"ora-24803-lob-%e8%ae%80%e5%8f%96%e5%87%bd%e6%95%b8%e4%b8%ad%e7%9a%84%e9%9d%9e%e6%b3%95%e5%8f%83%e6%95%b8%e5%80%bc-oracle-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9-%e9%81%a0%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/88642\/","title":{"rendered":"ORA-24803: LOB \u8b80\u53d6\u51fd\u6578\u4e2d\u7684\u975e\u6cd5\u53c3\u6578\u503c ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-24803-lob-%e8%ae%80%e5%8f%96%e5%87%bd%e6%95%b8%e4%b8%ad%e7%9a%84%e9%9d%9e%e6%b3%95%e5%8f%83%e6%95%b8%e5%80%bc-oracle-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9-%e9%81%a0%e7%a8%8b-rObTsWAXuM\">ORA-24803: LOB \u8b80\u53d6\u51fd\u6578\u4e2d\u7684\u975e\u6cd5\u53c3\u6578\u503c 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 <strong>ORA-24803<\/strong>\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8207\u5927\u5c0d\u8c61\uff08LOB\uff0cLarge Object\uff09\u7684\u8b80\u53d6\u64cd\u4f5c\u6709\u95dc\uff0c\u4e26\u4e14\u53ef\u80fd\u6703\u5c0e\u81f4\u61c9\u7528\u7a0b\u5e8f\u7121\u6cd5\u6b63\u5e38\u904b\u884c\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u6b64\u932f\u8aa4\u7684\u539f\u56e0\u3001\u5f71\u97ff\u4ee5\u53ca\u5982\u4f55\u9032\u884c\u6545\u969c\u4fee\u5fa9\u3002<\/p>\n<h2 id=\"ora-24803-%e9%8c%af%e8%aa%a4%e7%9a%84%e5%8e%9f%e5%9b%a0-rObTsWAXuM\">ORA-24803 \u932f\u8aa4\u7684\u539f\u56e0<\/h2>\n<p>ORA-24803 \u932f\u8aa4\u7684\u5177\u9ad4\u4fe1\u606f\u70ba\u300cLOB \u8b80\u53d6\u51fd\u6578\u4e2d\u7684\u975e\u6cd5\u53c3\u6578\u503c\u300d\u3002\u9019\u901a\u5e38\u8868\u793a\u5728\u57f7\u884c LOB \u8b80\u53d6\u64cd\u4f5c\u6642\uff0c\u50b3\u905e\u7d66\u51fd\u6578\u7684\u53c3\u6578\u4e0d\u6b63\u78ba\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u53ef\u80fd\u5c0e\u81f4\u6b64\u932f\u8aa4\u7684\u539f\u56e0\uff1a<\/p>\n<ul>\n<li><strong>\u7121\u6548\u7684 LOB \u53e5\u67c4\uff1a<\/strong>\u7576\u5617\u8a66\u4f7f\u7528\u4e00\u500b\u5df2\u7d93\u95dc\u9589\u6216\u7121\u6548\u7684 LOB \u53e5\u67c4\u9032\u884c\u8b80\u53d6\u6642\uff0c\u6703\u5f15\u767c\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>\u53c3\u6578\u985e\u578b\u4e0d\u5339\u914d\uff1a<\/strong>\u5982\u679c\u50b3\u905e\u7d66 LOB \u8b80\u53d6\u51fd\u6578\u7684\u53c3\u6578\u985e\u578b\u4e0d\u6b63\u78ba\uff0c\u5247\u6703\u5c0e\u81f4\u932f\u8aa4\u3002<\/li>\n<li><strong>LOB \u5c0d\u8c61\u4e0d\u5b58\u5728\uff1a<\/strong>\u7576\u5617\u8a66\u8b80\u53d6\u4e00\u500b\u4e0d\u5b58\u5728\u7684 LOB \u5c0d\u8c61\u6642\uff0c\u4e5f\u6703\u51fa\u73fe\u6b64\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9-ora-24803-%e9%8c%af%e8%aa%a4-rObTsWAXuM\">\u5982\u4f55\u4fee\u5fa9 ORA-24803 \u932f\u8aa4<\/h2>\n<p>\u4fee\u5fa9 ORA-24803 \u932f\u8aa4\u7684\u904e\u7a0b\u901a\u5e38\u6d89\u53ca\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5-lob-%e5%8f%a5%e6%9f%84-rObTsWAXuM\">1. \u6aa2\u67e5 LOB \u53e5\u67c4<\/h3>\n<p>\u9996\u5148\uff0c\u78ba\u4fdd\u60a8\u4f7f\u7528\u7684 LOB \u53e5\u67c4\u662f\u6709\u6548\u7684\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b SQL \u67e5\u8a62\u4f86\u6aa2\u67e5 LOB \u5c0d\u8c61\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 NULL\uff0c\u5247\u8868\u793a\u8a72 LOB \u5c0d\u8c61\u53ef\u80fd\u4e0d\u5b58\u5728\u6216\u5df2\u88ab\u522a\u9664\u3002<\/p>\n<h3 id=\"2-%e7%a2%ba%e8%aa%8d%e5%8f%83%e6%95%b8%e9%a1%9e%e5%9e%8b-rObTsWAXuM\">2. \u78ba\u8a8d\u53c3\u6578\u985e\u578b<\/h3>\n<p>\u6aa2\u67e5\u50b3\u905e\u7d66 LOB \u8b80\u53d6\u51fd\u6578\u7684\u6240\u6709\u53c3\u6578\uff0c\u78ba\u4fdd\u5b83\u5011\u7684\u985e\u578b\u6b63\u78ba\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc <code>DBMS_LOB.READ<\/code> \u51fd\u6578\uff0c\u61c9\u78ba\u4fdd\u50b3\u905e\u7684\u53c3\u6578\u985e\u578b\u70ba\u6b63\u78ba\u7684\u6578\u64da\u985e\u578b\uff1a<\/p>\n<pre><code>DBMS_LOB.READ(lob_loc IN OUT NOCOPY BLOB, amount IN INTEGER, offset IN INTEGER, buffer OUT RAW);<\/code><\/pre>\n<h3 id=\"3-%e7%a2%ba%e4%bf%9d-lob-%e5%b0%8d%e8%b1%a1%e5%ad%98%e5%9c%a8-rObTsWAXuM\">3. \u78ba\u4fdd LOB \u5c0d\u8c61\u5b58\u5728<\/h3>\n<p>\u5728\u57f7\u884c\u8b80\u53d6\u64cd\u4f5c\u4e4b\u524d\uff0c\u8acb\u78ba\u8a8d LOB \u5c0d\u8c61\u78ba\u5be6\u5b58\u5728\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u6aa2\u67e5\uff1a<\/p>\n<pre><code>SELECT your_lob_column FROM your_table WHERE your_condition;<\/code><\/pre>\n<p>\u5982\u679c\u67e5\u8a62\u7d50\u679c\u70ba\u7a7a\uff0c\u5247\u9700\u8981\u6aa2\u67e5\u6578\u64da\u63d2\u5165\u7684\u904e\u7a0b\uff0c\u78ba\u4fdd LOB \u5c0d\u8c61\u5df2\u6b63\u78ba\u5275\u5efa\u3002<\/p>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86-ora-24803-%e9%8c%af%e8%aa%a4-rObTsWAXuM\">\u9060\u7a0b\u8655\u7406 ORA-24803 \u932f\u8aa4<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u9032\u884c\u9060\u7a0b\u6545\u969c\u6392\u9664\u3002\u9019\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u6b65\u9a5f\u4f86\u5be6\u73fe\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u9060\u7a0b\u684c\u9762\u5de5\u5177\uff1a<\/strong>\u4f7f\u7528\u5982 TeamViewer \u6216 AnyDesk \u7b49\u5de5\u5177\uff0c\u9060\u7a0b\u9023\u63a5\u5230\u51fa\u73fe\u554f\u984c\u7684\u4f3a\u670d\u5668\uff0c\u9032\u884c\u6545\u969c\u6392\u9664\u3002<\/li>\n<li><strong>\u65e5\u8a8c\u6a94\u6848\u5206\u6790\uff1a<\/strong>\u6aa2\u67e5 Oracle \u7684\u65e5\u8a8c\u6a94\u6848\uff0c\u5c0b\u627e\u8207 ORA-24803 \u932f\u8aa4\u76f8\u95dc\u7684\u8a73\u7d30\u4fe1\u606f\u3002<\/li>\n<li><strong>\u57f7\u884c SQL \u8a9e\u53e5\uff1a<\/strong>\u5728\u9060\u7a0b\u74b0\u5883\u4e2d\u57f7\u884c\u4e0a\u8ff0 SQL \u8a9e\u53e5\uff0c\u6aa2\u67e5 LOB \u53e5\u67c4\u548c\u53c3\u6578\u7684\u6709\u6548\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-rObTsWAXuM\">\u7e3d\u7d50<\/h2>\n<p>ORA-24803 \u932f\u8aa4\u901a\u5e38\u8207 LOB \u8b80\u53d6\u64cd\u4f5c\u4e2d\u7684\u975e\u6cd5\u53c3\u6578\u503c\u6709\u95dc\u3002\u901a\u904e\u6aa2\u67e5 LOB \u53e5\u67c4\u3001\u78ba\u8a8d\u53c3\u6578\u985e\u578b\u53ca\u78ba\u4fdd LOB \u5c0d\u8c61\u5b58\u5728\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u4fee\u5fa9\u6b64\u932f\u8aa4\u3002\u5728\u9032\u884c\u6545\u969c\u6392\u9664\u6642\uff0c\u9060\u7a0b\u8655\u7406\u4e5f\u80fd\u63d0\u4f9b\u4fbf\u5229\u3002\u82e5\u60a8\u9700\u8981\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4ee5\u652f\u6301\u60a8\u7684 Oracle \u6578\u64da\u5eab\u904b\u884c\uff0c\u8acb\u8003\u616e\u6211\u5011\u7684\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7a ORA-24803 \u932f\u8aa4\uff0c\u4e86\u89e3 LOB \u8b80\u53d6\u51fd\u6578\u4e2d\u7684\u975e\u6cd5\u53c3\u6578\u503c\uff0c\u63d0\u4f9b\u6545\u969c\u4fee\u5fa9\u548c\u9060\u7a0b\u8655\u7406\u7684\u6709\u6548\u65b9\u6cd5\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-88642","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/88642","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=88642"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/88642\/revisions"}],"predecessor-version":[{"id":88643,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/88642\/revisions\/88643"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=88642"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=88642"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=88642"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}