{"id":177611,"date":"2024-11-08T15:35:21","date_gmt":"2024-11-08T07:35:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/177611\/"},"modified":"2024-11-08T15:35:22","modified_gmt":"2024-11-08T07:35:22","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41176-sqlstate-hy000%ef%bc%88er_key_does_not_exits%ef%bc%89%e9%8d%b5s%e5%9c%a8%e8%a1%a8s%e4%b8%ad%e4%b8%8d%e5%ad%98%e5%9c%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/177611\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41176 &#8211; SQLSTATE: HY000\uff08ER_KEY_DOES_NOT_EXITS\uff09\u9375&#8217;%s&#8217;\u5728\u8868&#8217;%s&#8217;\u4e2d\u4e0d\u5b58\u5728"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41176-sqlstate-hy000%ef%bc%88er_key_does_not_exist%ef%bc%89%e9%8d%b5s%e5%9c%a8%e8%a1%a8s%e4%b8%ad%e4%b8%8d%e5%ad%98%e5%9c%a8-vxsJuwbXCm\">\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41176 &#8211; SQLSTATE: HY000\uff08ER_KEY_DOES_NOT_EXIST\uff09\u9375&#8217;%s&#8217;\u5728\u8868&#8217;%s&#8217;\u4e2d\u4e0d\u5b58\u5728<\/h1>\n<p>\u5728\u4f7f\u7528MySQL\u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u932f\u8aa41176\uff0c\u8a72\u932f\u8aa4\u7684\u63d0\u793a\u4fe1\u606f\u70ba\u201c\u9375&#8217;%s&#8217;\u5728\u8868&#8217;%s&#8217;\u4e2d\u4e0d\u5b58\u5728\u201d\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8207\u6578\u64da\u5eab\u4e2d\u7684\u7d22\u5f15\u6216\u4e3b\u9375\u6709\u95dc\uff0c\u7576\u4f60\u5617\u8a66\u57f7\u884c\u67d0\u4e9b\u64cd\u4f5c\u6642\uff0cMySQL\u7121\u6cd5\u627e\u5230\u6307\u5b9a\u7684\u9375\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a41176%e7%9a%84%e5%8e%9f%e5%9b%a0-vxsJuwbXCm\">\u932f\u8aa41176\u7684\u539f\u56e0<\/h2>\n<p>\u932f\u8aa41176\u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u5e7e\u7a2e\u60c5\u6cc1\u4e0b\uff1a<\/p>\n<ul>\n<li><strong>\u9375\u540d\u932f\u8aa4\uff1a<\/strong>\u7576\u4f60\u5728\u67e5\u8a62\u4e2d\u4f7f\u7528\u7684\u9375\u540d\u8207\u6578\u64da\u5eab\u4e2d\u5be6\u969b\u5b58\u5728\u7684\u9375\u540d\u4e0d\u5339\u914d\u6642\uff0c\u6703\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>\u8868\u7d50\u69cb\u8b8a\u66f4\uff1a<\/strong>\u5982\u679c\u5728\u57f7\u884c\u67e5\u8a62\u4e4b\u524d\u5c0d\u8868\u7684\u7d50\u69cb\u9032\u884c\u4e86\u66f4\u6539\uff0c\u4f8b\u5982\u522a\u9664\u4e86\u67d0\u500b\u7d22\u5f15\u6216\u4e3b\u9375\uff0c\u5247\u53ef\u80fd\u6703\u51fa\u73fe\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>\u6578\u64da\u5eab\u9023\u63a5\u554f\u984c\uff1a<\/strong>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u6578\u64da\u5eab\u9023\u63a5\u4e0d\u7a69\u5b9a\u6216\u914d\u7f6e\u4e0d\u6b63\u78ba\u4e5f\u53ef\u80fd\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9%e9%8c%af%e8%aa%a41176-vxsJuwbXCm\">\u5982\u4f55\u4fee\u5fa9\u932f\u8aa41176<\/h2>\n<p>\u4fee\u5fa9MySQL\u932f\u8aa41176\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%e9%8d%b5%e5%90%8d-vxsJuwbXCm\">1. \u6aa2\u67e5\u9375\u540d<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5\u4f60\u5728\u67e5\u8a62\u4e2d\u4f7f\u7528\u7684\u9375\u540d\u662f\u5426\u6b63\u78ba\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u4f86\u67e5\u770b\u8868\u7684\u7d50\u69cb\u548c\u7d22\u5f15\uff1a<\/p>\n<pre><code>SHOW CREATE TABLE your_table_name;<\/code><\/pre>\n<p>\u9019\u5c07\u986f\u793a\u8868\u7684\u5275\u5efa\u8a9e\u53e5\uff0c\u5305\u62ec\u6240\u6709\u7684\u7d22\u5f15\u548c\u4e3b\u9375\u3002\u78ba\u4fdd\u4f60\u4f7f\u7528\u7684\u9375\u540d\u8207\u9019\u4e9b\u4fe1\u606f\u4e00\u81f4\u3002<\/p>\n<h3 id=\"2-%e6%aa%a2%e6%9f%a5%e8%a1%a8%e7%b5%90%e6%a7%8b-vxsJuwbXCm\">2. \u6aa2\u67e5\u8868\u7d50\u69cb<\/h3>\n<p>\u5982\u679c\u4f60\u6700\u8fd1\u5c0d\u8868\u7684\u7d50\u69cb\u9032\u884c\u4e86\u66f4\u6539\uff0c\u8acb\u78ba\u8a8d\u9019\u4e9b\u66f4\u6539\u662f\u5426\u5f71\u97ff\u4e86\u4f60\u6b63\u5728\u57f7\u884c\u7684\u67e5\u8a62\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u67e5\u770b\u7576\u524d\u7684\u8868\u7d50\u69cb\uff1a<\/p>\n<pre><code>DESCRIBE your_table_name;<\/code><\/pre>\n<p>\u9019\u5c07\u986f\u793a\u8868\u4e2d\u6240\u6709\u5217\u7684\u8a73\u7d30\u4fe1\u606f\uff0c\u5305\u62ec\u7d22\u5f15\u3002\u5982\u679c\u767c\u73fe\u67d0\u500b\u7d22\u5f15\u5df2\u88ab\u522a\u9664\u6216\u66f4\u6539\uff0c\u5247\u9700\u8981\u66f4\u65b0\u4f60\u7684\u67e5\u8a62\u4ee5\u53cd\u6620\u9019\u4e9b\u66f4\u6539\u3002<\/p>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5-vxsJuwbXCm\">3. \u6aa2\u67e5\u6578\u64da\u5eab\u9023\u63a5<\/h3>\n<p>\u5982\u679c\u4ee5\u4e0a\u6b65\u9a5f\u90fd\u6c92\u6709\u89e3\u6c7a\u554f\u984c\uff0c\u8acb\u6aa2\u67e5\u4f60\u7684\u6578\u64da\u5eab\u9023\u63a5\u8a2d\u7f6e\u3002\u78ba\u4fdd\u4f60\u7684\u61c9\u7528\u7a0b\u5e8f\u80fd\u5920\u6b63\u78ba\u9023\u63a5\u5230\u6578\u64da\u5eab\uff0c\u4e26\u4e14\u4f7f\u7528\u7684\u7528\u6236\u64c1\u6709\u8db3\u5920\u7684\u6b0a\u9650\u4f86\u57f7\u884c\u67e5\u8a62\u3002<\/p>\n<h3 id=\"4-%e4%bd%bf%e7%94%a8explain%e8%aa%9e%e5%8f%a5%e9%80%b2%e8%a1%8c%e8%aa%bf%e8%a9%a6-vxsJuwbXCm\">4. \u4f7f\u7528EXPLAIN\u8a9e\u53e5\u9032\u884c\u8abf\u8a66<\/h3>\n<p>\u4f7f\u7528EXPLAIN\u8a9e\u53e5\u53ef\u4ee5\u5e6b\u52a9\u4f60\u4e86\u89e3MySQL\u662f\u5982\u4f55\u57f7\u884c\u4f60\u7684\u67e5\u8a62\u7684\uff0c\u9019\u5c0d\u65bc\u8abf\u8a66\u932f\u8aa4\u975e\u5e38\u6709\u7528\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>EXPLAIN SELECT * FROM your_table_name WHERE your_key = 'value';<\/code><\/pre>\n<p>\u9019\u5c07\u986f\u793aMySQL\u5728\u57f7\u884c\u67e5\u8a62\u6642\u7684\u8a08\u5283\uff0c\u5e6b\u52a9\u4f60\u627e\u51fa\u554f\u984c\u6240\u5728\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-vxsJuwbXCm\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u932f\u8aa41176\uff08\u9375&#8217;%s&#8217;\u5728\u8868&#8217;%s&#8217;\u4e2d\u4e0d\u5b58\u5728\uff09\u662f\u4e00\u500b\u5e38\u898b\u7684\u554f\u984c\uff0c\u901a\u5e38\u8207\u9375\u540d\u932f\u8aa4\u3001\u8868\u7d50\u69cb\u8b8a\u66f4\u6216\u6578\u64da\u5eab\u9023\u63a5\u554f\u984c\u6709\u95dc\u3002\u901a\u904e\u6aa2\u67e5\u9375\u540d\u3001\u8868\u7d50\u69cb\u548c\u6578\u64da\u5eab\u9023\u63a5\u8a2d\u7f6e\uff0c\u901a\u5e38\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6b64\u932f\u8aa4\u3002\u5982\u679c\u4f60\u9700\u8981\u9032\u4e00\u6b65\u7684\u5e6b\u52a9\u6216\u5c0b\u627e\u7a69\u5b9a\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\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>\u4f86\u652f\u6301\u4f60\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u78ba\u4fdd\u9ad8\u6548\u548c\u7a69\u5b9a\u7684\u6578\u64da\u5eab\u904b\u884c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4fee\u5fa9MySQL\u932f\u8aa41176\u7684\u65b9\u6cd5\uff0c\u89e3\u91cb\u5982\u4f55\u8655\u7406SQLSTATE: HY000\uff08ER_KEY_DOES_NOT_EXIST\uff09\u9375\u5728\u8868\u4e2d\u4e0d\u5b58\u5728\u7684\u554f\u984c\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-177611","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177611","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=177611"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177611\/revisions"}],"predecessor-version":[{"id":177612,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177611\/revisions\/177612"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=177611"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=177611"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=177611"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}