{"id":313321,"date":"2021-01-20T01:20:38","date_gmt":"2021-01-19T17:20:38","guid":{"rendered":"http:\/\/4563.org\/?p=313321"},"modified":"2021-01-20T01:20:38","modified_gmt":"2021-01-19T17:20:38","slug":"%e5%85%b3%e4%ba%8e-mysql-%e7%9a%84%e6%b7%b1%e5%ba%a6%e5%88%86%e9%a1%b5%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=313321","title":{"rendered":"\u5173\u4e8e MySQL \u7684\u6df1\u5ea6\u5206\u9875\u95ee\u9898"},"content":{"rendered":"<div>\n<div>\n<div>\n<h1>                  \u5173\u4e8e MySQL \u7684\u6df1\u5ea6\u5206\u9875\u95ee\u9898               <\/h1>\n<p> <\/p>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : FutherAll <\/span>  <span><i><\/i> 6<\/span> <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div isfirst=\"1\"> <\/p>\n<p>\u6709\u4e24\u4e2a\u7591\u60d1\u70b9\u60f3\u63a2\u8ba8\u4e00\u4e0b\uff0c\u7f51\u4e0a\u770b\u4e86\u4e9b\u8d44\u6599\u6ca1\u6709\u592a\u7406\u89e3<\/p>\n<ol>\n<li>\n<p>\u4e3a\u4ec0\u4e48\u4f1a\u6709\u6df1\u5ea6\u5206\u9875\uff0c\u7f51\u4e0a\u6587\u7ae0\u8bf4\u662f MySQL \u7684\u673a\u5236\u95ee\u9898\uff0c\u4e3a\u4ec0\u4e48\u6709\u7d22\u5f15\u7684\u60c5\u51b5\u4e0b\u4e0d\u7528\u7d22\u5f15\uff0c\u800c\u8981\u7528 filesort\uff0c\u518d\u600e\u4e48\u6837 B \u6811\u4e5f\u5e94\u8be5\u66f4\u5feb\u5427\uff1f<\/p>\n<\/li>\n<li>\n<p>\u6df1\u5ea6\u5206\u9875\u7684\u4e00\u4e2a\u4f18\u5316\u70b9\u662f\u901a\u8fc7\u8bb0\u5f55\u4e0a\u4e00\u6b21\u7684\u4e3b\u952e\u4f4d\u7f6e\u6765\u5feb\u901f\u5b9a\u4f4d offset\uff0c\u90a3\u5728\u4e3b\u952e\u975e\u81ea\u589e\u7684\u60c5\u51b5\u4e0b\uff0c\u8fd8\u6709\u4ec0\u4e48\u5176\u4ed6\u4f18\u5316\u65b9\u5f0f\u5417\uff1f<\/p>\n<\/li>\n<\/ol><\/div>\n<div> <b>\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (<span>3<\/span>)        <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<ul>\n<li data-pid=\"5163693\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : gy123 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u5b50\u67e5\u8be2 id \u6216\u8005 id \u6709\u89c4\u5f8b\u9012\u589e\u7684\u60c5\u51b5\u4e0b\u5229\u7528 id \u5224\u65ad\uff0c\u5176\u4ed6\u6839\u636e\u4e1a\u52a1\u81ea\u5b9a\u5427                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"5163694\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : Jooooooooo <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u5927\u5206\u9875\u662f\u96be\u9898, \u6ca1\u6709\u5b8c\u7f8e\u89e3\u51b3\u65b9\u6848, \u53ea\u80fd\u4ece\u4ea7\u54c1\u65b9\u6848\u4e0a\u53bb\u59a5\u534f (\u6bd4\u5982\u6ca1\u6709\u4e00\u767e\u4e07\u9875\u53ef\u4ee5\u67e5, \u6bd4\u5982\u8fc7\u4e45\u7684\u8bb0\u5f55\u662f\u5206\u5f00\u653e\u7684<\/p>\n<p>(\u4f60\u4f1a\u53d1\u73b0\u5305\u62ec google \u5728\u5185\u7684\u5927\u5382\u4e5f\u89e3\u51b3\u4e0d\u4e86\u8fd9\u4e2a\u95ee\u9898, \u5c31\u653e\u5f03\u5427                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"5163695\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : allanzhuo <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u4e0a\u4e24\u4f4d\u5927\u4f6c\u8bf4\u7684\u5bf9                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li>\n","protected":false},"excerpt":{"rendered":"<p>\u5173\u4e8e MySQL \u7684\u6df1\u5ea6\u5206\u9875\u95ee\u9898 &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/313321"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=313321"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/313321\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=313321"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=313321"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=313321"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}