{"id":177879,"date":"2024-11-08T16:19:41","date_gmt":"2024-11-08T08:19:41","guid":{"rendered":"https:\/\/server.hk\/cnblog\/177879\/"},"modified":"2024-11-08T16:19:42","modified_gmt":"2024-11-08T08:19:42","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41221-sqlstate-hy000-er_wrong_usage-%e4%b8%8d%e6%ad%a3%e7%a2%ba%e7%9a%84-s-%e5%92%8c-s-%e7%94%a8%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/177879\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41221 &#8211; SQLSTATE: HY000 (ER_WRONG_USAGE) \u4e0d\u6b63\u78ba\u7684 %s \u548c %s \u7528\u6cd5"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41221-sqlstate-hy000-er_wrong_usage-%e4%b8%8d%e6%ad%a3%e7%a2%ba%e7%9a%84-s-%e5%92%8c-s-%e7%94%a8%e6%b3%95-vdDvOqFAfF\">\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41221 &#8211; SQLSTATE: HY000 (ER_WRONG_USAGE) \u4e0d\u6b63\u78ba\u7684 %s \u548c %s \u7528\u6cd5<\/h1>\n<p>\u5728\u4f7f\u7528MySQL\u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u932f\u8aa41221\uff0c\u8a72\u932f\u8aa4\u7684SQLSTATE\u4ee3\u78bc\u70baHY000\uff0c\u8868\u793a\u4e0d\u6b63\u78ba\u7684\u7528\u6cd5\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u57f7\u884cSQL\u8a9e\u53e5\u6642\uff0c\u5c24\u5176\u662f\u5728\u4f7f\u7528JOIN\u3001GROUP BY\u6216ORDER BY\u7b49\u8a9e\u53e5\u6642\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u8a72\u932f\u8aa4\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a41221%e7%9a%84%e5%8e%9f%e5%9b%a0-vdDvOqFAfF\">\u932f\u8aa41221\u7684\u539f\u56e0<\/h2>\n<p>\u932f\u8aa41221\u901a\u5e38\u662f\u7531\u65bcSQL\u8a9e\u53e5\u7684\u8a9e\u6cd5\u4e0d\u6b63\u78ba\u6216\u4e0d\u7b26\u5408MySQL\u7684\u4f7f\u7528\u898f\u7bc4\u6240\u5f15\u8d77\u7684\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u539f\u56e0\uff1a<\/p>\n<ul>\n<li><strong>\u4e0d\u6b63\u78ba\u7684JOIN\u7528\u6cd5\uff1a<\/strong>\u7576\u4f7f\u7528JOIN\u8a9e\u53e5\u6642\uff0c\u5fc5\u9808\u78ba\u4fdd\u6240\u6709\u7684\u8868\u548c\u689d\u4ef6\u90fd\u6b63\u78ba\u6307\u5b9a\u3002\u5982\u679cJOIN\u7684\u689d\u4ef6\u4e0d\u6b63\u78ba\uff0c\u5247\u53ef\u80fd\u6703\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>GROUP BY\u6216ORDER BY\u7684\u4f7f\u7528\u4e0d\u7576\uff1a<\/strong>\u5728\u4f7f\u7528GROUP BY\u6216ORDER BY\u6642\uff0c\u5fc5\u9808\u78ba\u4fdd\u6240\u6709\u7684\u5217\u90fd\u6b63\u78ba\u5730\u5217\u51fa\uff0c\u4e26\u4e14\u7b26\u5408SQL\u6a19\u6e96\u3002<\/li>\n<li><strong>\u4f7f\u7528\u4e86\u4e0d\u652f\u6301\u7684\u51fd\u6578\u6216\u8a9e\u6cd5\uff1a<\/strong>\u67d0\u4e9b\u51fd\u6578\u6216\u8a9e\u6cd5\u5728\u7279\u5b9a\u7248\u672c\u7684MySQL\u4e2d\u53ef\u80fd\u4e0d\u88ab\u652f\u6301\uff0c\u9019\u4e5f\u53ef\u80fd\u5c0e\u81f4\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%a41221-vdDvOqFAfF\">\u5982\u4f55\u4fee\u5fa9\u932f\u8aa41221<\/h2>\n<p>\u4fee\u5fa9MySQL\u932f\u8aa41221\u7684\u904e\u7a0b\u901a\u5e38\u6d89\u53ca\u6aa2\u67e5\u548c\u4fee\u6539SQL\u8a9e\u53e5\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5177\u9ad4\u7684\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5sql%e8%aa%9e%e5%8f%a5%e7%9a%84%e8%aa%9e%e6%b3%95-vdDvOqFAfF\">1. \u6aa2\u67e5SQL\u8a9e\u53e5\u7684\u8a9e\u6cd5<\/h3>\n<pre><code>SELECT a.column1, b.column2\nFROM table1 a\nJOIN table2 b ON a.id = b.id\nGROUP BY a.column1;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u78ba\u4fdd\u6240\u6709\u7684\u5217\u90fd\u6b63\u78ba\u5730\u5217\u51fa\u5728GROUP BY\u4e2d\u3002\u5982\u679c\u6709\u4efb\u4f55\u5217\u672a\u88ab\u6b63\u78ba\u5f15\u7528\uff0c\u5247\u53ef\u80fd\u6703\u5c0e\u81f4\u932f\u8aa41221\u3002<\/p>\n<h3 id=\"2-%e7%a2%ba%e8%aa%8djoin%e6%a2%9d%e4%bb%b6%e7%9a%84%e6%ad%a3%e7%a2%ba%e6%80%a7-vdDvOqFAfF\">2. \u78ba\u8a8dJOIN\u689d\u4ef6\u7684\u6b63\u78ba\u6027<\/h3>\n<p>\u6aa2\u67e5JOIN\u8a9e\u53e5\u4e2d\u7684\u689d\u4ef6\uff0c\u78ba\u4fdd\u6240\u6709\u7684\u8868\u548c\u689d\u4ef6\u90fd\u6b63\u78ba\u6307\u5b9a\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT *\nFROM orders o\nJOIN customers c ON o.customer_id = c.id\nWHERE c.status = 'active';<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c\u78ba\u4fddcustomer_id\u548cid\u7684\u6578\u64da\u985e\u578b\u76f8\u7b26\uff0c\u4e26\u4e14JOIN\u7684\u908f\u8f2f\u662f\u6b63\u78ba\u7684\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e6%ad%a3%e7%a2%ba%e7%9a%84group-by%e5%92%8corder-by-vdDvOqFAfF\">3. \u4f7f\u7528\u6b63\u78ba\u7684GROUP BY\u548cORDER BY<\/h3>\n<p>\u5728\u4f7f\u7528GROUP BY\u548cORDER BY\u6642\uff0c\u78ba\u4fdd\u6240\u6709\u7684\u5217\u90fd\u6b63\u78ba\u5217\u51fa\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT column1, COUNT(*)\nFROM table\nGROUP BY column1\nORDER BY COUNT(*) DESC;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0cGROUP BY\u4e2d\u5217\u51fa\u7684\u5217\u5fc5\u9808\u8207SELECT\u4e2d\u5217\u51fa\u7684\u5217\u76f8\u7b26\u3002<\/p>\n<h3 id=\"4-%e6%aa%a2%e6%9f%a5mysql%e7%89%88%e6%9c%ac-vdDvOqFAfF\">4. \u6aa2\u67e5MySQL\u7248\u672c<\/h3>\n<p>\u67d0\u4e9b\u8a9e\u6cd5\u6216\u51fd\u6578\u5728\u4e0d\u540c\u7248\u672c\u7684MySQL\u4e2d\u53ef\u80fd\u6703\u6709\u6240\u4e0d\u540c\u3002\u6aa2\u67e5\u60a8\u4f7f\u7528\u7684MySQL\u7248\u672c\uff0c\u4e26\u53c3\u8003\u76f8\u61c9\u7684\u6587\u6a94\u4ee5\u78ba\u4fdd\u4f7f\u7528\u7684\u8a9e\u6cd5\u662f\u6b63\u78ba\u7684\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-vdDvOqFAfF\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u932f\u8aa41221 &#8211; SQLSTATE: HY000 (ER_WRONG_USAGE) \u901a\u5e38\u662f\u7531\u65bcSQL\u8a9e\u53e5\u7684\u8a9e\u6cd5\u4e0d\u6b63\u78ba\u6216\u4e0d\u7b26\u5408\u4f7f\u7528\u898f\u7bc4\u6240\u5f15\u8d77\u7684\u3002\u901a\u904e\u4ed4\u7d30\u6aa2\u67e5SQL\u8a9e\u53e5\u7684\u8a9e\u6cd5\u3001JOIN\u689d\u4ef6\u3001GROUP BY\u548cORDER BY\u7684\u4f7f\u7528\uff0c\u4ee5\u53ca\u78ba\u8a8dMySQL\u7248\u672c\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u4fee\u5fa9\u6b64\u932f\u8aa4\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u6216 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u6b63\u5e38\u904b\u884c\u548c\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41221 (SQLSTATE: HY000)\uff0c\u89e3\u6c7a\u4e0d\u6b63\u78ba\u7684\u7528\u6cd5\u554f\u984c\uff0c\u63d0\u5347\u6578\u64da\u5eab\u64cd\u4f5c\u6548\u7387\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-177879","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177879","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=177879"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177879\/revisions"}],"predecessor-version":[{"id":177880,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177879\/revisions\/177880"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=177879"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=177879"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=177879"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}