{"id":5891,"date":"2024-11-14T14:16:05","date_gmt":"2024-11-14T06:16:05","guid":{"rendered":"https:\/\/fwq.ai\/blog\/5891\/"},"modified":"2024-11-14T14:16:05","modified_gmt":"2024-11-14T06:16:05","slug":"sql%e6%80%8e%e4%b9%88%e9%99%8d%e5%ba%8f%e6%8e%92%e5%ba%8f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/5891\/","title":{"rendered":"sql\u600e\u4e48\u964d\u5e8f\u6392\u5e8f"},"content":{"rendered":"

\n \u5728 sql \u4e2d\uff0c\u901a\u8fc7\u4f7f\u7528 order by \u5b50\u53e5\u5e76\u6307\u5b9a desc\uff0c\u53ef\u4ee5\u5bf9\u6570\u636e\u8fdb\u884c\u964d\u5e8f\u6392\u5e8f\uff0c\u8bed\u6cd5\uff1aselect \u5217\u540d from \u8868\u540d order by \u5217\u540d desc\u3002\n<\/p><\/blockquote>\n

\"sql\u600e\u4e48\u964d\u5e8f\u6392\u5e8f\u63d2\u56fe\"<\/p>\n

SQL \u4e2d\u5982\u4f55\u8fdb\u884c\u964d\u5e8f\u6392\u5e8f<\/strong><\/p>\n

\u5728 SQL \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 ORDER BY \u5b50\u53e5\u5bf9\u7ed3\u679c\u96c6\u4e2d\u7684\u6570\u636e\u8fdb\u884c\u964d\u5e8f\u6392\u5e8f\u3002<\/p>\n

\u8bed\u6cd5\uff1a<\/strong><\/p>\n

SELECT \u5217\u540d\nFROM \u8868\u540d\nORDER BY \u5217\u540d DESC<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u5176\u4e2d\uff1a<\/p>\n
    \n
  • SELECT: \u6307\u5b9a\u8981\u8fd4\u56de\u7684\u5217\u3002<\/li>\n
  • FROM: \u6307\u5b9a\u8981\u4ece\u4e2d\u9009\u62e9\u6570\u636e\u7684\u8868\u3002<\/li>\n
  • ORDER BY: \u6307\u5b9a\u8981\u6392\u5e8f\u7684\u5217\u3002<\/li>\n
  • DESC: \u6307\u5b9a\u964d\u5e8f\u6392\u5e8f\u3002<\/li>\n<\/ul>\n
    \u793a\u4f8b\uff1a<\/strong><\/p>\n
    \u4ee5\u4e0b\u67e5\u8be2\u5c06 customers \u8868\u4e2d\u7684\u5ba2\u6237\u4fe1\u606f\u6309\u59d3\u6c0f\u964d\u5e8f\u6392\u5e8f\uff1a<\/p>\n
    SELECT name, surname\nFROM customers\nORDER BY surname DESC<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    \u8fd9\u4e2a\u67e5\u8be2\u5c06\u8fd4\u56de\u4ee5\u4e0b\u7ed3\u679c\uff08\u5047\u8bbe\u5ba2\u6237\u4fe1\u606f\u5982\u4e0b\uff09\uff1a<\/p>\n\n\n\n\n\n\n\n
    name<\/th>\nsurname<\/th>\n<\/tr>\n<\/thead>\n
    John<\/td>\nSmith<\/td>\n<\/tr>\n
    Mary<\/td>\nBrown<\/td>\n<\/tr>\n
    Bob<\/td>\nJones<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
    \u6392\u5e8f\u591a\u4e2a\u5217\uff1a<\/strong><\/p>\n
    \u53ef\u4ee5\u4f7f\u7528\u591a\u4e2a ORDER BY \u5b50\u53e5\u5bf9\u591a\u4e2a\u5217\u8fdb\u884c\u6392\u5e8f\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u67e5\u8be2\u5c06\u6309\u59d3\u6c0f\u964d\u5e8f\u6392\u5e8f\uff0c\u5982\u679c\u59d3\u6c0f\u76f8\u540c\uff0c\u5219\u6309\u540d\u5b57\u5347\u5e8f\u6392\u5e8f\uff1a<\/p>\n
    SELECT name, surname\nFROM customers\nORDER BY surname DESC, name ASC<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    \u6ce8\u610f\uff1a<\/strong><\/p>\n
      \n
    • \u964d\u5e8f\u6392\u5e8f\u7684\u5217\u5fc5\u987b\u5728 ORDER BY \u5b50\u53e5\u4e2d\u663e\u5f0f\u6307\u5b9a DESC\u3002<\/li>\n
    • \u53ef\u4ee5\u5728 ORDER BY \u5b50\u53e5\u4e2d\u6df7\u5408\u5347\u5e8f\u548c\u964d\u5e8f\u6392\u5e8f\u3002<\/li>\n
    • \u964d\u5e8f\u6392\u5e8f\u5bf9\u4e8e\u68c0\u7d22\u6700\u65b0\u6216\u6700\u5927\u7684\u8bb0\u5f55\u975e\u5e38\u6709\u7528\u3002<\/li>\n<\/ul>\n
      \u4ee5\u4e0a\u5c31\u662fsql\u600e\u4e48\u964d\u5e8f\u6392\u5e8f\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":"
      \u5728 sql \u4e2d\uff0c\u901a\u8fc7\u4f7f\u7528 order by \u5b50\u53e5\u5e76\u6307\u5b9a desc\uff0c\u53ef\u4ee5\u5bf9\u6570\u636e\u8fdb\u884c\u964d\u5e8f\u6392\u5e8f\uff0c\u8bed\u6cd5\uff1aselect \u5217\u540d from \u8868\u540d order by \u5217\u540d desc\u3002 SQL \u4e2d\u5982\u4f55\u8fdb\u884c\u964d\u5e8f\u6392\u5e8f \u5728 SQL \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 ORDER BY \u5b50\u53e5\u5bf9\u7ed3\u679c\u96c6\u4e2d\u7684\u6570\u636e\u8fdb\u884c\u964d\u5e8f\u6392\u5e8f\u3002 \u8bed\u6cd5\uff1a SELECT \u5217\u540d FROM \u8868\u540d ORDER BY \u5217\u540d DESC \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a SELECT: \u6307\u5b9a\u8981\u8fd4\u56de\u7684\u5217\u3002 FROM: \u6307\u5b9a\u8981\u4ece\u4e2d\u9009\u62e9\u6570\u636e\u7684\u8868\u3002 ORDER BY: \u6307\u5b9a\u8981\u6392\u5e8f\u7684\u5217\u3002 DESC: \u6307\u5b9a\u964d\u5e8f\u6392\u5e8f\u3002 \u793a\u4f8b\uff1a \u4ee5\u4e0b\u67e5\u8be2\u5c06 customers \u8868\u4e2d\u7684\u5ba2\u6237\u4fe1\u606f\u6309\u59d3\u6c0f\u964d\u5e8f\u6392\u5e8f\uff1a SELECT name, surname FROM customers ORDER BY surname DESC […]<\/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-5891","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5891","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=5891"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5891\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=5891"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=5891"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=5891"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}