{"id":91494,"date":"2024-10-18T21:41:16","date_gmt":"2024-10-18T13:41:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/91494\/"},"modified":"2024-10-18T21:41:17","modified_gmt":"2024-10-18T13:41:17","slug":"ora-30998-%e8%bd%89%e6%8f%9b%e9%8c%af%e8%aa%a4%ef%bc%9astring-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%e8%99%95%e7%90%86","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/91494\/","title":{"rendered":"ORA-30998: \u8f49\u63db\u932f\u8aa4\uff1astring ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-30998-%e8%bd%89%e6%8f%9b%e9%8c%af%e8%aa%a4%ef%bc%9astring-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%e8%99%95%e7%90%86-LxXrTntown\">ORA-30998: \u8f49\u63db\u932f\u8aa4\uff1astring ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406<\/h1>\n<p>\u5728\u4f7f\u7528Oracle\u6578\u64da\u5eab\u7684\u904e\u7a0b\u4e2d\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\u662fORA-30998\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8207\u6578\u64da\u985e\u578b\u8f49\u63db\u6709\u95dc\uff0c\u7279\u5225\u662f\u5728\u9032\u884c\u6578\u64da\u63d2\u5165\u6216\u66f4\u65b0\u64cd\u4f5c\u6642\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eORA-30998\u932f\u8aa4\u7684\u539f\u56e0\u3001\u89e3\u6c7a\u65b9\u6848\u4ee5\u53ca\u5982\u4f55\u9032\u884c\u9060\u7a0b\u8655\u7406\u3002<\/p>\n<h2 id=\"ora-30998%e9%8c%af%e8%aa%a4%e7%9a%84%e5%8e%9f%e5%9b%a0-LxXrTntown\">ORA-30998\u932f\u8aa4\u7684\u539f\u56e0<\/h2>\n<p>ORA-30998\u932f\u8aa4\u7684\u4e3b\u8981\u539f\u56e0\u662f\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\u3002\u7576\u4f60\u5617\u8a66\u5c07\u4e00\u500b\u6578\u64da\u985e\u578b\u7684\u503c\u63d2\u5165\u5230\u53e6\u4e00\u500b\u4e0d\u517c\u5bb9\u7684\u6578\u64da\u985e\u578b\u4e2d\u6642\uff0c\u5c31\u6703\u51fa\u73fe\u9019\u500b\u932f\u8aa4\u3002\u4f8b\u5982\uff0c\u5c07\u4e00\u500b\u5b57\u7b26\u4e32\u985e\u578b\u7684\u6578\u64da\u63d2\u5165\u5230\u4e00\u500b\u6578\u5b57\u985e\u578b\u7684\u5b57\u6bb5\u4e2d\uff0c\u6216\u8005\u5728\u9032\u884c\u65e5\u671f\u8f49\u63db\u6642\u683c\u5f0f\u4e0d\u6b63\u78ba\uff0c\u90fd\u53ef\u80fd\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002<\/p>\n<h3 id=\"%e5%b8%b8%e8%a6%8b%e5%a0%b4%e6%99%af-LxXrTntown\">\u5e38\u898b\u5834\u666f<\/h3>\n<ul>\n<li>\u5728\u63d2\u5165\u6578\u64da\u6642\uff0c\u5b57\u7b26\u4e32\u9577\u5ea6\u8d85\u904e\u4e86\u76ee\u6a19\u5b57\u6bb5\u7684\u6700\u5927\u9577\u5ea6\u3002<\/li>\n<li>\u5728\u9032\u884c\u6578\u64da\u8f49\u63db\u6642\uff0c\u4f7f\u7528\u4e86\u4e0d\u6b63\u78ba\u7684\u683c\u5f0f\u3002<\/li>\n<li>\u5728\u4f7f\u7528PL\/SQL\u9032\u884c\u6578\u64da\u8655\u7406\u6642\uff0c\u8b8a\u91cf\u985e\u578b\u4e0d\u5339\u914d\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a7%a3%e6%b1%baora-30998%e9%8c%af%e8%aa%a4%e7%9a%84%e6%96%b9%e6%b3%95-LxXrTntown\">\u89e3\u6c7aORA-30998\u932f\u8aa4\u7684\u65b9\u6cd5<\/h2>\n<p>\u8981\u89e3\u6c7aORA-30998\u932f\u8aa4\uff0c\u9996\u5148\u9700\u8981\u78ba\u5b9a\u5f15\u767c\u932f\u8aa4\u7684\u5177\u9ad4\u539f\u56e0\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-LxXrTntown\">1. \u6aa2\u67e5\u6578\u64da\u985e\u578b<\/h3>\n<p>\u5728\u9032\u884c\u6578\u64da\u63d2\u5165\u6216\u66f4\u65b0\u4e4b\u524d\uff0c\u6aa2\u67e5\u6e90\u6578\u64da\u548c\u76ee\u6a19\u5b57\u6bb5\u7684\u6578\u64da\u985e\u578b\u662f\u5426\u5339\u914d\u3002\u4f8b\u5982\uff0c\u5982\u679c\u76ee\u6a19\u5b57\u6bb5\u662f\u6578\u5b57\u985e\u578b\uff0c\u78ba\u4fdd\u63d2\u5165\u7684\u6578\u64da\u4e5f\u662f\u6578\u5b57\u3002<\/p>\n<pre><code>INSERT INTO your_table (numeric_column) VALUES ('123'); -- \u932f\u8aa4\nINSERT INTO your_table (numeric_column) VALUES (123);   -- \u6b63\u78ba\n<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e6%ad%a3%e7%a2%ba%e7%9a%84%e6%a0%bc%e5%bc%8f%e9%80%b2%e8%a1%8c%e8%bd%89%e6%8f%9b-LxXrTntown\">2. \u4f7f\u7528\u6b63\u78ba\u7684\u683c\u5f0f\u9032\u884c\u8f49\u63db<\/h3>\n<p>\u5728\u9032\u884c\u65e5\u671f\u6216\u5b57\u7b26\u4e32\u8f49\u63db\u6642\uff0c\u4f7f\u7528\u6b63\u78ba\u7684\u683c\u5f0f\u3002\u4f8b\u5982\uff0c\u4f7f\u7528TO_DATE\u51fd\u6578\u6642\uff0c\u78ba\u4fdd\u65e5\u671f\u5b57\u7b26\u4e32\u7684\u683c\u5f0f\u8207\u6307\u5b9a\u7684\u683c\u5f0f\u5339\u914d\u3002<\/p>\n<pre><code>SELECT TO_DATE('2023-10-01', 'YYYY-MM-DD') FROM dual; -- \u6b63\u78ba\nSELECT TO_DATE('01-10-2023', 'YYYY-MM-DD') FROM dual;   -- \u932f\u8aa4\n<\/code><\/pre>\n<h3 id=\"3-%e8%aa%bf%e6%95%b4%e5%ad%97%e6%ae%b5%e9%95%b7%e5%ba%a6-LxXrTntown\">3. \u8abf\u6574\u5b57\u6bb5\u9577\u5ea6<\/h3>\n<p>\u5982\u679c\u63d2\u5165\u7684\u5b57\u7b26\u4e32\u9577\u5ea6\u8d85\u904e\u4e86\u76ee\u6a19\u5b57\u6bb5\u7684\u6700\u5927\u9577\u5ea6\uff0c\u53ef\u4ee5\u8003\u616e\u8abf\u6574\u5b57\u6bb5\u7684\u9577\u5ea6\u3002\u4f8b\u5982\uff0c\u4f7f\u7528ALTER TABLE\u8a9e\u53e5\u4f86\u589e\u52a0\u5b57\u6bb5\u7684\u9577\u5ea6\u3002<\/p>\n<pre><code>ALTER TABLE your_table MODIFY (string_column VARCHAR2(100));<\/code><\/pre>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86ora-30998%e9%8c%af%e8%aa%a4-LxXrTntown\">\u9060\u7a0b\u8655\u7406ORA-30998\u932f\u8aa4<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u9032\u884c\u9060\u7a0b\u8655\u7406\u4f86\u89e3\u6c7aORA-30998\u932f\u8aa4\u3002\u9019\u901a\u5e38\u6d89\u53ca\u5230\u4f7f\u7528\u9060\u7a0b\u9023\u63a5\u5de5\u5177\u4f86\u8a2a\u554f\u6578\u64da\u5eab\uff0c\u4e26\u9032\u884c\u5fc5\u8981\u7684\u8abf\u6574\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6b65\u9a5f\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528SQL Developer\u6216\u5176\u4ed6\u6578\u64da\u5eab\u7ba1\u7406\u5de5\u5177\u9023\u63a5\u5230\u9060\u7a0bOracle\u6578\u64da\u5eab\u3002<\/li>\n<li>\u57f7\u884c\u67e5\u8a62\u4ee5\u6aa2\u67e5\u6578\u64da\u985e\u578b\u548c\u6578\u64da\u5167\u5bb9\u3002<\/li>\n<li>\u6839\u64da\u9700\u8981\u9032\u884c\u6578\u64da\u985e\u578b\u7684\u8abf\u6574\u6216\u6578\u64da\u7684\u6e05\u7406\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-LxXrTntown\">\u7e3d\u7d50<\/h2>\n<p>ORA-30998\u932f\u8aa4\u901a\u5e38\u662f\u7531\u65bc\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\u5f15\u8d77\u7684\uff0c\u89e3\u6c7a\u6b64\u554f\u984c\u9700\u8981\u4ed4\u7d30\u6aa2\u67e5\u6578\u64da\u985e\u578b\u3001\u683c\u5f0f\u548c\u5b57\u6bb5\u9577\u5ea6\u3002\u5728\u9032\u884c\u9060\u7a0b\u8655\u7406\u6642\uff0c\u4f7f\u7528\u5408\u9069\u7684\u5de5\u5177\u548c\u65b9\u6cd5\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u554f\u984c\u3002\u5982\u679c\u60a8\u9700\u8981\u7a69\u5b9a\u7684\u6578\u64da\u5eab\u74b0\u5883\u4f86\u904b\u884cOracle\u6578\u64da\u5eab\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u89e3\u6c7a\u65b9\u6848\uff0c\u4ee5\u78ba\u4fdd\u9ad8\u6548\u7684\u6578\u64da\u8655\u7406\u548c\u7ba1\u7406\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7aORA-30998\u8f49\u63db\u932f\u8aa4\u7684\u6307\u5357\uff0c\u63d0\u4f9bOracle\u5831\u932f\u6545\u969c\u4fee\u5fa9\u548c\u9060\u7a0b\u8655\u7406\u7684\u6709\u6548\u65b9\u6cd5\uff0c\u52a9\u60a8\u5feb\u901f\u6062\u5fa9\u7cfb\u7d71\u904b\u884c\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-91494","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/91494","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=91494"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/91494\/revisions"}],"predecessor-version":[{"id":91495,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/91494\/revisions\/91495"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=91494"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=91494"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=91494"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}