{"id":5609,"date":"2024-11-14T12:17:59","date_gmt":"2024-11-14T04:17:59","guid":{"rendered":"https:\/\/fwq.ai\/blog\/5609\/"},"modified":"2024-11-14T12:17:59","modified_gmt":"2024-11-14T04:17:59","slug":"sql%e8%af%ad%e5%8f%a5%e6%8e%92%e5%ba%8f%e6%80%8e%e4%b9%88%e6%8c%89%e6%97%b6%e9%97%b4","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/5609\/","title":{"rendered":"sql\u8bed\u53e5\u6392\u5e8f\u600e\u4e48\u6309\u65f6\u95f4"},"content":{"rendered":"

\n \u5728 sql \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7 order by \u5b50\u53e5\u6309\u65f6\u95f4\u6392\u5e8f\uff0c\u8bed\u6cd5\u4e3a\uff1aselect column_name(s) from table_name order by column_name(s) [asc | desc]\u3002\u793a\u4f8b\uff1a\u6309 timestamp \u5217\u5347\u5e8f\u6392\u5e8f\uff1aselect from events order by timestamp asc\uff1b\u6309 timestamp \u5217\u964d\u5e8f\u6392\u5e8f\uff1aselect from events order by timestamp desc\u3002\n<\/p><\/blockquote>\n

\"sql\u8bed\u53e5\u6392\u5e8f\u600e\u4e48\u6309\u65f6\u95f4\u63d2\u56fe\"<\/p>\n

SQL \u8bed\u53e5\u6309\u65f6\u95f4\u6392\u5e8f<\/strong><\/p>\n

\u5728 SQL \u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 ORDER BY \u5b50\u53e5\u6309\u65f6\u95f4\u5bf9\u7ed3\u679c\u8fdb\u884c\u6392\u5e8f\u3002<\/p>\n

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

SELECT column_name(s)\nFROM table_name\nORDER BY column_name(s) [ASC | DESC];<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \n
  •  column_name(s)<\/strong>\uff1a\u8981\u6392\u5e8f\u7684\u5217\u540d\uff0c\u53ef\u4ee5\u6307\u5b9a\u591a\u4e2a\u5217\u3002<\/li>\n
  •  ASC<\/strong>\uff1a\u6309\u5347\u5e8f\u6392\u5e8f\uff08\u4ece\u6700\u65e9\u5230\u6700\u8fd1\uff09\u3002<\/li>\n
  •  DESC<\/strong>\uff1a\u6309\u964d\u5e8f\u6392\u5e8f\uff08\u4ece\u6700\u8fd1\u5230\u6700\u65e9\uff09\u3002<\/li>\n<\/ul>\n
    \u793a\u4f8b\uff1a<\/strong><\/p>\n
    \u8981\u6309 timestamp \u5217\u4e2d\u7684\u65f6\u95f4\u503c\u5bf9\u8868 events \u4e2d\u7684\u7ed3\u679c\u8fdb\u884c\u5347\u5e8f\u6392\u5e8f\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8be2\uff1a<\/p>\n
    SELECT *\nFROM events\nORDER BY timestamp ASC;<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u8fd9\u5c06\u8fd4\u56de\u6309\u4e8b\u4ef6\u53d1\u751f\u65f6\u95f4\u4ece\u5c0f\u5230\u5927\u6392\u5e8f\u7684\u7ed3\u679c\u3002<\/p>\n
    \u8981\u6309\u964d\u5e8f\u6392\u5e8f\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8be2\uff1a<\/p>\n
    SELECT *\nFROM events\nORDER BY timestamp DESC;<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u8fd9\u5c06\u8fd4\u56de\u6309\u4e8b\u4ef6\u53d1\u751f\u65f6\u95f4\u4ece\u5927\u5230\u5c0f\u6392\u5e8f\u7684\u7ed3\u679c\u3002<\/p>\n
    \u6ce8\u610f\uff1a<\/strong><\/p>\n
      \n
    • \u786e\u4fdd timestamp \u5217\u662f\u65e5\u671f\u6216\u65f6\u95f4\u7c7b\u578b\u3002<\/li>\n
    • \u5982\u679c\u591a\u4e2a\u8bb0\u5f55\u5177\u6709\u76f8\u540c\u7684\u65f6\u95f4\u503c\uff0c\u5b83\u4eec\u5c06\u6309\u5176\u4ed6\u5217\uff08\u4f8b\u5982 ID\uff09\u7684\u987a\u5e8f\u6392\u5e8f\u3002<\/li>\n
    • \u8fd8\u53ef\u4ee5\u4f7f\u7528\u5176\u4ed6\u65f6\u95f4\u51fd\u6570\uff0c\u4f8b\u5982 DATE() \u548c TIME()\uff0c\u5bf9\u65e5\u671f\u548c\u65f6\u95f4\u503c\u8fdb\u884c\u6392\u5e8f\u3002<\/li>\n<\/ul>\n
      \u4ee5\u4e0a\u5c31\u662f\u6392\u5e8f\u600e\u4e48\u6309\u65f6\u95f4\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\u53ef\u4ee5\u901a\u8fc7 order by \u5b50\u53e5\u6309\u65f6\u95f4\u6392\u5e8f\uff0c\u8bed\u6cd5\u4e3a\uff1aselect column_name(s) from table_name order by column_name(s) [asc | desc]\u3002\u793a\u4f8b\uff1a\u6309 timestamp \u5217\u5347\u5e8f\u6392\u5e8f\uff1aselect from events order by timestamp asc\uff1b\u6309 timestamp \u5217\u964d\u5e8f\u6392\u5e8f\uff1aselect from events order by timestamp desc\u3002 SQL \u8bed\u53e5\u6309\u65f6\u95f4\u6392\u5e8f \u5728 SQL \u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 ORDER BY \u5b50\u53e5\u6309\u65f6\u95f4\u5bf9\u7ed3\u679c\u8fdb\u884c\u6392\u5e8f\u3002 \u8bed\u6cd5\uff1a SELECT column_name(s) FROM table_name ORDER BY column_name(s) [ASC | DESC]; \u767b\u5f55\u540e\u590d\u5236 column_name(s)\uff1a\u8981\u6392\u5e8f\u7684\u5217\u540d\uff0c\u53ef\u4ee5\u6307\u5b9a\u591a\u4e2a\u5217\u3002 ASC\uff1a\u6309\u5347\u5e8f\u6392\u5e8f\uff08\u4ece\u6700\u65e9\u5230\u6700\u8fd1\uff09\u3002 DESC\uff1a\u6309\u964d\u5e8f\u6392\u5e8f\uff08\u4ece\u6700\u8fd1\u5230\u6700\u65e9\uff09\u3002 \u793a\u4f8b\uff1a […]<\/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-5609","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5609","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=5609"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5609\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=5609"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=5609"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=5609"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}