{"id":93718,"date":"2024-10-19T16:20:18","date_gmt":"2024-10-19T08:20:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/93718\/"},"modified":"2024-10-19T16:20:19","modified_gmt":"2024-10-19T08:20:19","slug":"ora-64621-sql-%e8%aa%9e%e5%8f%a5%e9%95%b7%e5%ba%a6-string-%e8%b6%85%e9%81%8e%e6%9c%80%e5%a4%a7%e5%85%81%e8%a8%b1%e9%95%b7%e5%ba%a6-string-oracle-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/93718\/","title":{"rendered":"ORA-64621: SQL \u8a9e\u53e5\u9577\u5ea6 (string) \u8d85\u904e\u6700\u5927\u5141\u8a31\u9577\u5ea6 (string) ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-64621-sql-%e8%aa%9e%e5%8f%a5%e9%95%b7%e5%ba%a6%e8%b6%85%e9%81%8e%e6%9c%80%e5%a4%a7%e5%85%81%e8%a8%b1%e9%95%b7%e5%ba%a6%e7%9a%84%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9-XUlGCOcYiX\">ORA-64621: SQL \u8a9e\u53e5\u9577\u5ea6\u8d85\u904e\u6700\u5927\u5141\u8a31\u9577\u5ea6\u7684\u6545\u969c\u4fee\u5fa9<\/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-64621<\/code>\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8868\u793a SQL \u8a9e\u53e5\u7684\u9577\u5ea6\u8d85\u904e\u4e86 Oracle \u6578\u64da\u5eab\u6240\u5141\u8a31\u7684\u6700\u5927\u9577\u5ea6\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u539f\u56e0\u3001\u5f71\u97ff\u4ee5\u53ca\u5982\u4f55\u9032\u884c\u6545\u969c\u4fee\u5fa9\u3002<\/p>\n<h2 id=\"ora-64621-%e9%8c%af%e8%aa%a4%e7%9a%84%e5%8e%9f%e5%9b%a0-XUlGCOcYiX\">ORA-64621 \u932f\u8aa4\u7684\u539f\u56e0<\/h2>\n<p>\u7576\u4f60\u5728 Oracle \u6578\u64da\u5eab\u4e2d\u57f7\u884c\u4e00\u500b SQL \u8a9e\u53e5\u6642\uff0c\u8a72\u8a9e\u53e5\u7684\u9577\u5ea6\u5fc5\u9808\u5728 Oracle \u7684\u9650\u5236\u7bc4\u570d\u5167\u3002\u6839\u64da Oracle \u7684\u6587\u6a94\uff0cSQL \u8a9e\u53e5\u7684\u6700\u5927\u9577\u5ea6\u70ba 65,536 \u5b57\u5143\u3002\u5982\u679c\u4f60\u7684 SQL \u8a9e\u53e5\u8d85\u904e\u9019\u500b\u9650\u5236\uff0c\u5c31\u6703\u89f8\u767c <code>ORA-64621<\/code> \u932f\u8aa4\u3002<\/p>\n<h3 id=\"%e5%b8%b8%e8%a6%8b%e7%9a%84%e6%83%85%e6%b3%81-XUlGCOcYiX\">\u5e38\u898b\u7684\u60c5\u6cc1<\/h3>\n<ul>\n<li><strong>\u52d5\u614b\u751f\u6210\u7684 SQL \u8a9e\u53e5\uff1a<\/strong>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u4f7f\u7528\u7a0b\u5f0f\u78bc\u52d5\u614b\u751f\u6210 SQL \u8a9e\u53e5\uff0c\u9019\u53ef\u80fd\u5c0e\u81f4\u8a9e\u53e5\u904e\u9577\u3002<\/li>\n<li><strong>\u8907\u96dc\u7684\u67e5\u8a62\uff1a<\/strong>\u7576\u67e5\u8a62\u6d89\u53ca\u591a\u500b\u8868\u3001\u806f\u63a5\u548c\u5b50\u67e5\u8a62\u6642\uff0cSQL \u8a9e\u53e5\u7684\u9577\u5ea6\u53ef\u80fd\u6703\u8fc5\u901f\u589e\u52a0\u3002<\/li>\n<li><strong>\u4f7f\u7528\u5927\u91cf\u7684\u5b57\u4e32\u5e38\u91cf\uff1a<\/strong>\u5728 SQL \u8a9e\u53e5\u4e2d\u4f7f\u7528\u5927\u91cf\u7684\u5b57\u4e32\u5e38\u91cf\u4e5f\u6703\u5c0e\u81f4\u8a9e\u53e5\u9577\u5ea6\u8d85\u904e\u9650\u5236\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9-ora-64621-%e9%8c%af%e8%aa%a4-XUlGCOcYiX\">\u5982\u4f55\u4fee\u5fa9 ORA-64621 \u932f\u8aa4<\/h2>\n<p>\u4fee\u5fa9 <code>ORA-64621<\/code> \u932f\u8aa4\u7684\u7b2c\u4e00\u6b65\u662f\u78ba\u5b9a SQL \u8a9e\u53e5\u7684\u9577\u5ea6\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u4f86\u6aa2\u67e5\u548c\u4fee\u5fa9\u554f\u984c\uff1a<\/p>\n<h3 id=\"1-%e7%b0%a1%e5%8c%96-sql-%e8%aa%9e%e5%8f%a5-XUlGCOcYiX\">1. \u7c21\u5316 SQL \u8a9e\u53e5<\/h3>\n<p>\u5982\u679c\u53ef\u80fd\uff0c\u5617\u8a66\u7c21\u5316\u4f60\u7684 SQL \u8a9e\u53e5\u3002\u9019\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u65b9\u5f0f\u5be6\u73fe\uff1a<\/p>\n<ul>\n<li>\u5c07\u8907\u96dc\u7684\u67e5\u8a62\u62c6\u5206\u70ba\u591a\u500b\u7c21\u55ae\u7684\u67e5\u8a62\u3002<\/li>\n<li>\u4f7f\u7528\u8996\u5716\u4f86\u5c01\u88dd\u8907\u96dc\u7684\u908f\u8f2f\uff0c\u7136\u5f8c\u5728\u4e3b\u67e5\u8a62\u4e2d\u8abf\u7528\u9019\u4e9b\u8996\u5716\u3002<\/li>\n<\/ul>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8-pl-sql-XUlGCOcYiX\">2. \u4f7f\u7528 PL\/SQL<\/h3>\n<p>\u5982\u679c\u4f60\u7684 SQL \u8a9e\u53e5\u904e\u9577\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528 PL\/SQL \u4f86\u57f7\u884c\u66f4\u8907\u96dc\u7684\u908f\u8f2f\u3002PL\/SQL \u5141\u8a31\u4f60\u5c07 SQL \u8a9e\u53e5\u5c01\u88dd\u5728\u7a0b\u5e8f\u584a\u4e2d\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u55ae\u500b SQL \u8a9e\u53e5\u7684\u9577\u5ea6\u3002<\/p>\n<pre><code>DECLARE\n    v_sql VARCHAR2(32767);\nBEGIN\n    v_sql := 'SELECT * FROM your_table WHERE condition';\n    EXECUTE IMMEDIATE v_sql;\nEND;\n<\/code><\/pre>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e5%ad%97%e4%b8%b2%e5%b8%b8%e9%87%8f-XUlGCOcYiX\">3. \u6aa2\u67e5\u5b57\u4e32\u5e38\u91cf<\/h3>\n<p>\u5982\u679c\u4f60\u7684 SQL \u8a9e\u53e5\u4e2d\u5305\u542b\u5927\u91cf\u7684\u5b57\u4e32\u5e38\u91cf\uff0c\u8003\u616e\u5c07\u9019\u4e9b\u5e38\u91cf\u79fb\u5230\u8b8a\u6578\u4e2d\u3002\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u6e1b\u5c11 SQL \u8a9e\u53e5\u7684\u9577\u5ea6\u3002<\/p>\n<pre><code>DECLARE\n    v_condition VARCHAR2(100) := 'your_condition';\nBEGIN\n    EXECUTE IMMEDIATE 'SELECT * FROM your_table WHERE condition = ' || v_condition;\nEND;\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-XUlGCOcYiX\">\u7d50\u8ad6<\/h2>\n<p>\u5728 Oracle \u6578\u64da\u5eab\u4e2d\uff0c<code>ORA-64621<\/code> \u932f\u8aa4\u901a\u5e38\u662f\u7531\u65bc SQL \u8a9e\u53e5\u8d85\u904e\u6700\u5927\u9577\u5ea6\u9650\u5236\u6240\u5f15\u8d77\u7684\u3002\u901a\u904e\u7c21\u5316 SQL \u8a9e\u53e5\u3001\u4f7f\u7528 PL\/SQL \u548c\u6aa2\u67e5\u5b57\u4e32\u5e38\u91cf\u7b49\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u4fee\u5fa9\u9019\u4e00\u554f\u984c\u3002\u4e86\u89e3\u9019\u4e9b\u6280\u5de7\u4e0d\u50c5\u80fd\u5e6b\u52a9\u4f60\u89e3\u6c7a\u7576\u524d\u7684\u554f\u984c\uff0c\u9084\u80fd\u63d0\u9ad8\u4f60\u5728\u672a\u4f86\u958b\u767c\u4e2d\u7684\u6548\u7387\u3002<\/p>\n<p>\u5982\u679c\u4f60\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u4f01\u696d\u9084\u662f\u5927\u578b\u4f01\u696d\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a> \u90fd\u80fd\u70ba\u4f60\u63d0\u4f9b\u53ef\u9760\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7a ORA-64621 \u932f\u8aa4\uff0c\u4e86\u89e3 SQL \u8a9e\u53e5\u9577\u5ea6\u8d85\u904e\u6700\u5927\u5141\u8a31\u9577\u5ea6\u7684\u539f\u56e0\uff0c\u4e26\u7372\u53d6\u9060\u7a0b\u8655\u7406\u548c\u6545\u969c\u4fee\u5fa9\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-93718","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93718","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=93718"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93718\/revisions"}],"predecessor-version":[{"id":93719,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93718\/revisions\/93719"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=93718"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=93718"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=93718"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}