{"id":175157,"date":"2024-11-08T03:31:28","date_gmt":"2024-11-07T19:31:28","guid":{"rendered":"https:\/\/server.hk\/cnblog\/175157\/"},"modified":"2024-11-08T03:31:29","modified_gmt":"2024-11-07T19:31:29","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8access2023%e5%90%88%e4%bd%b5%e6%95%b8%e6%93%9a%e5%ba%ab-access2023%e6%95%b8%e6%93%9a%e5%ba%ab%e5%90%88%e4%bd%b5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/175157\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528Access2023\u5408\u4f75\u6578\u64da\u5eab (access2023\u6578\u64da\u5eab\u5408\u4f75)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8access-2023%e5%90%88%e4%bd%b5%e6%95%b8%e6%93%9a%e5%ba%ab-access-2023%e6%95%b8%e6%93%9a%e5%ba%ab%e5%90%88%e4%bd%b5-uJlGcbRlAh\">\u5982\u4f55\u4f7f\u7528Access 2023\u5408\u4f75\u6578\u64da\u5eab (Access 2023\u6578\u64da\u5eab\u5408\u4f75)<\/h1>\n<p>\u5728\u6578\u64da\u7ba1\u7406\u7684\u904e\u7a0b\u4e2d\uff0c\u5408\u4f75\u6578\u64da\u5eab\u662f\u4e00\u9805\u5e38\u898b\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u56e0\u70ba\u9700\u8981\u6574\u5408\u591a\u500b\u6578\u64da\u4f86\u6e90\uff0c\u9084\u662f\u56e0\u70ba\u9700\u8981\u66f4\u65b0\u548c\u6e05\u7406\u6578\u64da\uff0cMicrosoft Access 2023\u63d0\u4f9b\u4e86\u591a\u7a2e\u5de5\u5177\u548c\u529f\u80fd\u4f86\u5e6b\u52a9\u7528\u6236\u6709\u6548\u5730\u5408\u4f75\u6578\u64da\u5eab\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528Access 2023\u9032\u884c\u6578\u64da\u5eab\u5408\u4f75\u7684\u6b65\u9a5f\u548c\u6280\u5de7\u3002<\/p>\n<h2 id=\"%e5%90%88%e4%bd%b5%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%ba%96%e5%82%99%e5%b7%a5%e4%bd%9c-uJlGcbRlAh\">\u5408\u4f75\u6578\u64da\u5eab\u7684\u6e96\u5099\u5de5\u4f5c<\/h2>\n<p>\u5728\u958b\u59cb\u5408\u4f75\u6578\u64da\u5eab\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u78ba\u4fdd\u6240\u6709\u8981\u5408\u4f75\u7684\u6578\u64da\u5eab\u90fd\u5df2\u7d93\u6e96\u5099\u597d\u3002\u9019\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u6240\u6709\u6578\u64da\u5eab\u7684\u7d50\u69cb\u76f8\u4f3c\uff0c\u7279\u5225\u662f\u8868\u683c\u7684\u5b57\u6bb5\u540d\u7a31\u548c\u6578\u64da\u985e\u578b\u3002<\/li>\n<li>\u6aa2\u67e5\u6578\u64da\u7684\u5b8c\u6574\u6027\uff0c\u78ba\u4fdd\u6c92\u6709\u91cd\u8907\u6216\u932f\u8aa4\u7684\u6578\u64da\u3002<\/li>\n<li>\u5099\u4efd\u6240\u6709\u6578\u64da\u5eab\uff0c\u4ee5\u9632\u5728\u5408\u4f75\u904e\u7a0b\u4e2d\u51fa\u73fe\u554f\u984c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8access-2023%e5%90%88%e4%bd%b5%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%ad%a5%e9%a9%9f-uJlGcbRlAh\">\u4f7f\u7528Access 2023\u5408\u4f75\u6578\u64da\u5eab\u7684\u6b65\u9a5f<\/h2>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%80%ef%bc%9a%e6%89%93%e9%96%8baccess-2023-uJlGcbRlAh\">\u6b65\u9a5f\u4e00\uff1a\u6253\u958bAccess 2023<\/h3>\n<p>\u9996\u5148\uff0c\u555f\u52d5Microsoft Access 2023\uff0c\u7136\u5f8c\u9078\u64c7\u8981\u7528\u4f5c\u4e3b\u6578\u64da\u5eab\u7684\u6587\u4ef6\u3002\u9019\u5c07\u662f\u5408\u4f75\u5f8c\u7684\u6578\u64da\u5eab\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%ba%8c%ef%bc%9a%e5%b0%8e%e5%85%a5%e5%85%b6%e4%bb%96%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%95%b8%e6%93%9a-uJlGcbRlAh\">\u6b65\u9a5f\u4e8c\uff1a\u5c0e\u5165\u5176\u4ed6\u6578\u64da\u5eab\u7684\u6578\u64da<\/h3>\n<p>\u5728\u4e3b\u6578\u64da\u5eab\u4e2d\uff0c\u9078\u64c7\u201c\u5916\u90e8\u6578\u64da\u201d\u9078\u9805\u5361\uff0c\u7136\u5f8c\u9078\u64c7\u201c\u5c0e\u5165\u201d\u90e8\u5206\u4e2d\u7684\u201cAccess\u201d\u9078\u9805\u3002\u9019\u5c07\u5141\u8a31\u60a8\u9078\u64c7\u8981\u5408\u4f75\u7684\u5176\u4ed6\u6578\u64da\u5eab\u3002<\/p>\n<pre><code>1. \u9ede\u64ca\u201c\u5916\u90e8\u6578\u64da\u201d\u9078\u9805\u5361\u3002\n2. \u9078\u64c7\u201cAccess\u201d\u3002\n3. \u700f\u89bd\u4e26\u9078\u64c7\u8981\u5c0e\u5165\u7684\u6578\u64da\u5eab\u6587\u4ef6\u3002\n4. \u9078\u64c7\u8981\u5c0e\u5165\u7684\u8868\u683c\u6216\u67e5\u8a62\u3002<\/code><\/pre>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%89%ef%bc%9a%e9%81%b8%e6%93%87%e5%90%88%e4%bd%b5%e9%81%b8%e9%a0%85-uJlGcbRlAh\">\u6b65\u9a5f\u4e09\uff1a\u9078\u64c7\u5408\u4f75\u9078\u9805<\/h3>\n<p>\u5728\u5c0e\u5165\u904e\u7a0b\u4e2d\uff0cAccess\u6703\u63d0\u793a\u60a8\u9078\u64c7\u5408\u4f75\u7684\u9078\u9805\u3002\u60a8\u53ef\u4ee5\u9078\u64c7\u5c07\u6578\u64da\u9644\u52a0\u5230\u73fe\u6709\u8868\u683c\u4e2d\uff0c\u6216\u5275\u5efa\u65b0\u7684\u8868\u683c\u3002\u9078\u64c7\u201c\u9644\u52a0\u5230\u73fe\u6709\u8868\u683c\u201d\u6642\uff0c\u8acb\u78ba\u4fdd\u5b57\u6bb5\u540d\u7a31\u548c\u6578\u64da\u985e\u578b\u5339\u914d\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e5%9b%9b%ef%bc%9a%e8%99%95%e7%90%86%e9%87%8d%e8%a4%87%e6%95%b8%e6%93%9a-uJlGcbRlAh\">\u6b65\u9a5f\u56db\uff1a\u8655\u7406\u91cd\u8907\u6578\u64da<\/h3>\n<p>\u5408\u4f75\u6578\u64da\u5eab\u6642\uff0c\u91cd\u8907\u6578\u64da\u662f\u4e00\u500b\u5e38\u898b\u554f\u984c\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528Access\u7684\u67e5\u8a62\u529f\u80fd\u4f86\u8b58\u5225\u548c\u522a\u9664\u91cd\u8907\u7684\u8a18\u9304\u3002\u5275\u5efa\u4e00\u500b\u67e5\u8a62\uff0c\u4f7f\u7528\u201cGROUP BY\u201d\u8a9e\u53e5\u4f86\u67e5\u627e\u91cd\u8907\u7684\u689d\u76ee\u3002<\/p>\n<pre><code>SELECT FieldName, COUNT(*)\nFROM TableName\nGROUP BY FieldName\nHAVING COUNT(*) &gt; 1;<\/code><\/pre>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%ba%94%ef%bc%9a%e4%bf%9d%e5%ad%98%e5%92%8c%e9%a9%97%e8%ad%89%e5%90%88%e4%bd%b5%e7%b5%90%e6%9e%9c-uJlGcbRlAh\">\u6b65\u9a5f\u4e94\uff1a\u4fdd\u5b58\u548c\u9a57\u8b49\u5408\u4f75\u7d50\u679c<\/h3>\n<p>\u5b8c\u6210\u5408\u4f75\u5f8c\uff0c\u8acb\u52d9\u5fc5\u4fdd\u5b58\u4e3b\u6578\u64da\u5eab\u4e26\u9032\u884c\u9a57\u8b49\u3002\u6aa2\u67e5\u5408\u4f75\u5f8c\u7684\u6578\u64da\u662f\u5426\u6b63\u78ba\uff0c\u4e26\u78ba\u4fdd\u6240\u6709\u9700\u8981\u7684\u6578\u64da\u90fd\u5df2\u6210\u529f\u5408\u4f75\u3002<\/p>\n<h2 id=\"%e5%90%88%e4%bd%b5%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-uJlGcbRlAh\">\u5408\u4f75\u6578\u64da\u5eab\u7684\u6700\u4f73\u5be6\u8e10<\/h2>\n<ul>\n<li>\u5728\u5408\u4f75\u4e4b\u524d\uff0c\u59cb\u7d42\u5099\u4efd\u6578\u64da\u5eab\u3002<\/li>\n<li>\u4f7f\u7528\u4e00\u81f4\u7684\u6578\u64da\u683c\u5f0f\u548c\u547d\u540d\u898f\u5247\uff0c\u4ee5\u6e1b\u5c11\u5408\u4f75\u904e\u7a0b\u4e2d\u7684\u932f\u8aa4\u3002<\/li>\n<li>\u5b9a\u671f\u6aa2\u67e5\u548c\u6e05\u7406\u6578\u64da\uff0c\u4ee5\u4fdd\u6301\u6578\u64da\u5eab\u7684\u6574\u6f54\u548c\u9ad8\u6548\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-uJlGcbRlAh\">\u7e3d\u7d50<\/h2>\n<p>\u5408\u4f75\u6578\u64da\u5eab\u662f\u4e00\u9805\u91cd\u8981\u7684\u6578\u64da\u7ba1\u7406\u4efb\u52d9\uff0c\u4f7f\u7528Access 2023\u53ef\u4ee5\u7c21\u5316\u9019\u4e00\u904e\u7a0b\u3002\u901a\u904e\u9075\u5faa\u4e0a\u8ff0\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u5408\u4f75\u591a\u500b\u6578\u64da\u5eab\uff0c\u4e26\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u6e96\u78ba\u6027\u3002\u82e5\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u6280\u8853\u652f\u6301\u6216\u5c0b\u627e\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u6258\u7ba1\u60a8\u7684\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>\u5b78\u7fd2\u5982\u4f55\u5728Access 2023\u4e2d\u5408\u4f75\u6578\u64da\u5eab\uff0c\u7c21\u5316\u6578\u64da\u7ba1\u7406\uff0c\u63d0\u5347\u5de5\u4f5c\u6548\u7387\uff0c\u8f15\u9b06\u6574\u5408\u591a\u500b\u6578\u64da\u6e90\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-175157","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175157","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=175157"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175157\/revisions"}],"predecessor-version":[{"id":175158,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175157\/revisions\/175158"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=175157"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=175157"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=175157"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}