{"id":5648,"date":"2024-11-14T09:52:05","date_gmt":"2024-11-14T01:52:05","guid":{"rendered":"https:\/\/fwq.ai\/blog\/5648\/"},"modified":"2024-11-14T09:52:05","modified_gmt":"2024-11-14T01:52:05","slug":"sql%e6%97%b6%e9%97%b4%e9%99%8d%e5%ba%8f%e6%80%8e%e4%b9%88%e5%86%99","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/5648\/","title":{"rendered":"sql\u65f6\u95f4\u964d\u5e8f\u600e\u4e48\u5199"},"content":{"rendered":"<blockquote><p>\n  \u6392\u5e8f\u8868\u4e2d\u7684\u65f6\u95f4\u6570\u636e\u65f6\uff0c\u4f7f\u7528 desc \u5173\u952e\u5b57\u53ef\u6309\u65f6\u95f4\u964d\u5e8f\u6392\u5217\uff0c\u5217\u51fa\u6700\u65b0\u7684\u8bb0\u5f55\u5728\u524d\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202405\/30\/2024053019460773336.jpg\" class=\"aligncenter\" title=\"sql\u65f6\u95f4\u964d\u5e8f\u600e\u4e48\u5199\u63d2\u56fe\" alt=\"sql\u65f6\u95f4\u964d\u5e8f\u600e\u4e48\u5199\u63d2\u56fe\" \/><\/p>\n<p><strong>SQL\u4e2d\u6309\u7167\u65f6\u95f4\u964d\u5e8f\u6392\u5e8f<\/strong><\/p>\n<p>\u5728SQL\u4e2d\uff0c\u6309\u7167\u65f6\u95f4\u964d\u5e8f\u6392\u5e8f\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528DESC\u5173\u952e\u5b57\u3002<\/p>\n<p><strong>\u8bed\u6cd5\uff1a<\/strong><\/p>\n<pre>SELECT * FROM table_name ORDER BY date_column DESC;<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>SELECT * FROM orders ORDER BY order_date DESC;<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4e0a\u9762\u67e5\u8be2\u5c06\u8fd4\u56de\u6240\u6709\u8ba2\u5355\uff0c\u6309order_date\u5217\u964d\u5e8f\u6392\u5e8f\u3002\u8fd9\u610f\u5473\u7740\u6700\u65b0\u7684\u8ba2\u5355\u5c06\u9996\u5148\u663e\u793a\u3002<\/p>\n<p><strong>\u6ce8\u610f\uff1a<\/strong><\/p>\n<p>\u786e\u4fdddate_column\u5217\u662f\u65e5\u671f\u6216\u65f6\u95f4\u7c7b\u578b\u3002\u5426\u5219\uff0cDESC\u5173\u952e\u5b57\u4e0d\u8d77\u4f5c\u7528\u3002<\/p>\n<p><strong>\u5176\u4ed6\u6392\u5e8f\u9009\u9879\uff1a<\/strong><\/p>\n<p>\u9664\u4e86DESC\u5916\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528ASC\u5173\u952e\u5b57\u5bf9\u65f6\u95f4\u5217\u8fdb\u884c\u5347\u5e8f\u6392\u5e8f\u3002\u5347\u5e8f\u6392\u5e8f\u5c06\u8fd4\u56de\u6700\u65e7\u7684\u8bb0\u5f55\u5728\u5148\u3002<\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>SELECT * FROM orders ORDER BY order_date ASC;<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4ee5\u4e0a\u67e5\u8be2\u5c06\u8fd4\u56de\u6240\u6709\u8ba2\u5355\uff0c\u6309order_date\u5217\u5347\u5e8f\u6392\u5e8f\u3002\u8fd9\u610f\u5473\u7740\u6700\u65e7\u7684\u8ba2\u5355\u5c06\u9996\u5148\u663e\u793a\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fsql\u65f6\u95f4\u964d\u5e8f\u600e\u4e48\u5199\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6392\u5e8f\u8868\u4e2d\u7684\u65f6\u95f4\u6570\u636e\u65f6\uff0c\u4f7f\u7528 desc \u5173\u952e\u5b57\u53ef\u6309\u65f6\u95f4\u964d\u5e8f\u6392\u5217\uff0c\u5217\u51fa\u6700\u65b0\u7684\u8bb0\u5f55\u5728\u524d\u3002 SQL\u4e2d\u6309\u7167\u65f6\u95f4\u964d\u5e8f\u6392\u5e8f \u5728SQL\u4e2d\uff0c\u6309\u7167\u65f6\u95f4\u964d\u5e8f\u6392\u5e8f\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528DESC\u5173\u952e\u5b57\u3002 \u8bed\u6cd5\uff1a SELECT * FROM table_name ORDER BY date_column DESC; \u767b\u5f55\u540e\u590d\u5236 \u793a\u4f8b\uff1a SELECT * FROM orders ORDER BY order_date DESC; \u767b\u5f55\u540e\u590d\u5236 \u4e0a\u9762\u67e5\u8be2\u5c06\u8fd4\u56de\u6240\u6709\u8ba2\u5355\uff0c\u6309order_date\u5217\u964d\u5e8f\u6392\u5e8f\u3002\u8fd9\u610f\u5473\u7740\u6700\u65b0\u7684\u8ba2\u5355\u5c06\u9996\u5148\u663e\u793a\u3002 \u6ce8\u610f\uff1a \u786e\u4fdddate_column\u5217\u662f\u65e5\u671f\u6216\u65f6\u95f4\u7c7b\u578b\u3002\u5426\u5219\uff0cDESC\u5173\u952e\u5b57\u4e0d\u8d77\u4f5c\u7528\u3002 \u5176\u4ed6\u6392\u5e8f\u9009\u9879\uff1a \u9664\u4e86DESC\u5916\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528ASC\u5173\u952e\u5b57\u5bf9\u65f6\u95f4\u5217\u8fdb\u884c\u5347\u5e8f\u6392\u5e8f\u3002\u5347\u5e8f\u6392\u5e8f\u5c06\u8fd4\u56de\u6700\u65e7\u7684\u8bb0\u5f55\u5728\u5148\u3002 \u793a\u4f8b\uff1a SELECT * FROM orders ORDER BY order_date ASC; \u767b\u5f55\u540e\u590d\u5236 \u4ee5\u4e0a\u67e5\u8be2\u5c06\u8fd4\u56de\u6240\u6709\u8ba2\u5355\uff0c\u6309order_date\u5217\u5347\u5e8f\u6392\u5e8f\u3002\u8fd9\u610f\u5473\u7740\u6700\u65e7\u7684\u8ba2\u5355\u5c06\u9996\u5148\u663e\u793a\u3002 \u4ee5\u4e0a\u5c31\u662fsql\u65f6\u95f4\u964d\u5e8f\u600e\u4e48\u5199\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-5648","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5648","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=5648"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5648\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=5648"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=5648"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=5648"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}