{"id":91964,"date":"2024-10-19T01:39:19","date_gmt":"2024-10-18T17:39:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/91964\/"},"modified":"2024-10-19T01:39:20","modified_gmt":"2024-10-18T17:39:20","slug":"ora-32504-%e6%9c%9f%e5%be%85-string%e3%80%81string%e3%80%81string-%e6%88%96-string%ef%bc%8c%e4%bd%86%e7%99%bc%e7%8f%be-string-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\/91964\/","title":{"rendered":"ORA-32504: \u671f\u5f85 string\u3001string\u3001string \u6216 string\uff0c\u4f46\u767c\u73fe string ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-32504-%e6%9c%9f%e5%be%85-string%e3%80%81string%e3%80%81string-%e6%88%96-string%ef%bc%8c%e4%bd%86%e7%99%bc%e7%8f%be-string-oracle-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9-%e9%81%a0-CMjXPqumFg\">ORA-32504: \u671f\u5f85 string\u3001string\u3001string \u6216 string\uff0c\u4f46\u767c\u73fe string ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406<\/h1>\n<p>\u5728\u4f7f\u7528 Oracle \u6578\u64da\u5eab\u7684\u904e\u7a0b\u4e2d\uff0c\u958b\u767c\u8005\u548c\u7cfb\u7d71\u7ba1\u7406\u54e1\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\u4ee3\u78bc\uff0c\u5176\u4e2d\u4e4b\u4e00\u4fbf\u662f ORA-32504\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8207\u6578\u64da\u5eab\u7684\u67e5\u8a62\u6216\u64cd\u4f5c\u6709\u95dc\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u8907\u96dc\u7684 SQL \u8a9e\u53e5\u6642\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e ORA-32504 \u932f\u8aa4\u7684\u539f\u56e0\u3001\u5f71\u97ff\u4ee5\u53ca\u5982\u4f55\u9032\u884c\u6545\u969c\u4fee\u5fa9\u3002<\/p>\n<h2 id=\"ora-32504-%e9%8c%af%e8%aa%a4%e7%9a%84%e5%ae%9a%e7%be%a9-CMjXPqumFg\">ORA-32504 \u932f\u8aa4\u7684\u5b9a\u7fa9<\/h2>\n<p>ORA-32504 \u932f\u8aa4\u7684\u5b8c\u6574\u4fe1\u606f\u70ba\u300c\u671f\u5f85 string\u3001string\u3001string \u6216 string\uff0c\u4f46\u767c\u73fe string\u300d\u3002\u9019\u610f\u5473\u8457\u5728\u57f7\u884c\u67d0\u500b\u64cd\u4f5c\u6642\uff0cOracle \u6578\u64da\u5eab\u9810\u671f\u63a5\u6536\u5230\u7279\u5b9a\u985e\u578b\u7684\u6578\u64da\u6216\u7d50\u69cb\uff0c\u4f46\u5be6\u969b\u4e0a\u537b\u63a5\u6536\u5230\u4e86\u4e0d\u7b26\u5408\u9810\u671f\u7684\u6578\u64da\u3002\u9019\u7a2e\u60c5\u6cc1\u901a\u5e38\u767c\u751f\u5728\u4f7f\u7528 PL\/SQL \u6216 SQL \u8a9e\u53e5\u6642\uff0c\u5c24\u5176\u662f\u5728\u8655\u7406\u96c6\u5408\u3001\u6e38\u6a19\u6216\u5176\u4ed6\u8907\u96dc\u6578\u64da\u7d50\u69cb\u6642\u3002<\/p>\n<h2 id=\"%e5%b8%b8%e8%a6%8b%e5%8e%9f%e5%9b%a0-CMjXPqumFg\">\u5e38\u898b\u539f\u56e0<\/h2>\n<ul>\n<li><strong>\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\uff1a<\/strong>\u7576\u67e5\u8a62\u4e2d\u4f7f\u7528\u7684\u6578\u64da\u985e\u578b\u8207\u6578\u64da\u5eab\u4e2d\u5b9a\u7fa9\u7684\u985e\u578b\u4e0d\u4e00\u81f4\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>\u96c6\u5408\u64cd\u4f5c\u932f\u8aa4\uff1a<\/strong>\u5728\u4f7f\u7528\u96c6\u5408\uff08\u5982 VARRAY \u6216 NESTED TABLE\uff09\u6642\uff0c\u82e5\u64cd\u4f5c\u4e0d\u7576\uff0c\u5247\u53ef\u80fd\u5f15\u767c\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>\u6e38\u6a19\u4f7f\u7528\u4e0d\u7576\uff1a<\/strong>\u5728\u4f7f\u7528\u6e38\u6a19\u6642\uff0c\u82e5\u672a\u6b63\u78ba\u8655\u7406\u6e38\u6a19\u7684\u958b\u555f\u3001\u95dc\u9589\u6216\u6578\u64da\u63d0\u53d6\uff0c\u5247\u53ef\u80fd\u51fa\u73fe\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>SQL \u8a9e\u6cd5\u932f\u8aa4\uff1a<\/strong>\u4e0d\u6b63\u78ba\u7684 SQL \u8a9e\u6cd5\u6216\u7d50\u69cb\u4e5f\u53ef\u80fd\u5c0e\u81f4 Oracle \u7121\u6cd5\u6b63\u78ba\u89e3\u6790\u67e5\u8a62\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%95%85%e9%9a%9c%e6%8e%92%e9%99%a4%e6%ad%a5%e9%a9%9f-CMjXPqumFg\">\u6545\u969c\u6392\u9664\u6b65\u9a5f<\/h2>\n<p>\u7576\u9047\u5230 ORA-32504 \u932f\u8aa4\u6642\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-sql-%e8%aa%9e%e5%8f%a5-CMjXPqumFg\">1. \u6aa2\u67e5 SQL \u8a9e\u53e5<\/h3>\n<p>\u9996\u5148\uff0c\u4ed4\u7d30\u6aa2\u67e5\u5f15\u767c\u932f\u8aa4\u7684 SQL \u8a9e\u53e5\u3002\u78ba\u4fdd\u6240\u6709\u7684\u6578\u64da\u985e\u578b\u548c\u7d50\u69cb\u90fd\u7b26\u5408\u9810\u671f\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT * FROM my_table WHERE my_column = :my_variable;<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c\u6aa2\u67e5 :my_variable \u7684\u6578\u64da\u985e\u578b\u662f\u5426\u8207 my_column \u7684\u985e\u578b\u76f8\u7b26\u3002<\/p>\n<h3 id=\"2-%e9%a9%97%e8%ad%89%e9%9b%86%e5%90%88%e6%93%8d%e4%bd%9c-CMjXPqumFg\">2. \u9a57\u8b49\u96c6\u5408\u64cd\u4f5c<\/h3>\n<p>\u5982\u679c\u4f7f\u7528\u4e86\u96c6\u5408\uff0c\u8acb\u6aa2\u67e5\u96c6\u5408\u7684\u5b9a\u7fa9\u548c\u64cd\u4f5c\u662f\u5426\u6b63\u78ba\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>DECLARE\n    TYPE my_array IS VARRAY(10) OF NUMBER;\n    my_numbers my_array;\nBEGIN\n    my_numbers := my_array(1, 2, 3);\n    -- \u78ba\u4fdd\u5c0d my_numbers \u7684\u64cd\u4f5c\u662f\u6b63\u78ba\u7684\nEND;<\/code><\/pre>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e6%b8%b8%e6%a8%99%e7%9a%84%e4%bd%bf%e7%94%a8-CMjXPqumFg\">3. \u6aa2\u67e5\u6e38\u6a19\u7684\u4f7f\u7528<\/h3>\n<p>\u78ba\u4fdd\u6e38\u6a19\u7684\u958b\u555f\u548c\u95dc\u9589\u64cd\u4f5c\u6b63\u78ba\u7121\u8aa4\u3002\u6e38\u6a19\u7684\u4f7f\u7528\u4e0d\u7576\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u63d0\u53d6\u5931\u6557\uff0c\u5f9e\u800c\u5f15\u767c\u932f\u8aa4\u3002<\/p>\n<h3 id=\"4-%e6%9f%a5%e7%9c%8b%e6%97%a5%e8%aa%8c%e6%96%87%e4%bb%b6-CMjXPqumFg\">4. \u67e5\u770b\u65e5\u8a8c\u6587\u4ef6<\/h3>\n<p>\u6aa2\u67e5 Oracle \u7684\u65e5\u8a8c\u6587\u4ef6\uff0c\u5c0b\u627e\u8207 ORA-32504 \u932f\u8aa4\u76f8\u95dc\u7684\u66f4\u591a\u4fe1\u606f\u3002\u9019\u4e9b\u65e5\u8a8c\u6587\u4ef6\u901a\u5e38\u6703\u63d0\u4f9b\u66f4\u8a73\u7d30\u7684\u932f\u8aa4\u4e0a\u4e0b\u6587\uff0c\u5e6b\u52a9\u5b9a\u4f4d\u554f\u984c\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-CMjXPqumFg\">\u7d50\u8ad6<\/h2>\n<p>ORA-32504 \u932f\u8aa4\u53ef\u80fd\u6703\u5c0d\u6578\u64da\u5eab\u64cd\u4f5c\u9020\u6210\u56f0\u64fe\uff0c\u4f46\u901a\u904e\u4ed4\u7d30\u6aa2\u67e5 SQL \u8a9e\u53e5\u3001\u96c6\u5408\u64cd\u4f5c\u548c\u6e38\u6a19\u4f7f\u7528\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u9032\u884c\u6545\u969c\u6392\u9664\u3002\u4e86\u89e3\u9019\u4e9b\u932f\u8aa4\u7684\u6839\u672c\u539f\u56e0\u548c\u89e3\u6c7a\u65b9\u6cd5\uff0c\u5c07\u6709\u52a9\u65bc\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u3002<\/p>\n<p>\u5982\u9700\u9032\u4e00\u6b65\u4e86\u89e3\u5982\u4f55\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4ee5\u652f\u6301\u60a8\u7684 Oracle \u6578\u64da\u5eab\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7a ORA-32504 \u932f\u8aa4\uff0c\u4e86\u89e3\u9810\u671f\u8207\u5be6\u969b\u5b57\u7b26\u4e32\u4e0d\u7b26\u7684\u539f\u56e0\uff0c\u4e26\u638c\u63e1\u6545\u969c\u4fee\u5fa9\u8207\u9060\u7a0b\u8655\u7406\u6280\u5de7\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-91964","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/91964","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=91964"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/91964\/revisions"}],"predecessor-version":[{"id":91965,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/91964\/revisions\/91965"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=91964"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=91964"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=91964"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}