{"id":751,"date":"2007-04-28T18:03:14","date_gmt":"2007-04-28T06:03:14","guid":{"rendered":""},"modified":"2007-04-28T18:03:14","modified_gmt":"2007-04-28T06:03:14","slug":"","status":"publish","type":"post","link":"https:\/\/www.mudone.com\/?p=751","title":{"rendered":"\u4f18\u5316\u8868"},"content":{"rendered":"<p>MySQL\u62e5\u6709\u4e00\u5957\u4e30\u5bcc\u7684\u7c7b\u578b\u3002\u4f60\u5e94\u8be5\u5bf9\u6bcf\u4e00\u5217\u5c1d\u8bd5\u4f7f\u7528\u6700\u6709\u6548\u7684\u7c7b\u578b\u3002<br \/>\nANALYSE\u8fc7\u7a0b\u53ef\u4ee5\u5e2e\u52a9\u4f60\u627e\u5230\u8868\u7684\u6700\u4f18\u7c7b\u578b\uff1aSELECT * FROM table_name PROCEDURE ANALYSE()\u3002<br \/>\n\u5bf9\u4e8e\u4e0d\u4fdd\u5b58NULL\u503c\u7684\u5217\u4f7f\u7528NOT NULL\uff0c\u8fd9\u5bf9\u4f60\u60f3\u7d22\u5f15\u7684\u5217\u5c24\u5176\u91cd\u8981\u3002<br \/>\n\u5c06ISAM\u7c7b\u578b\u7684\u8868\u6539\u4e3aMyISAM\u3002<br \/>\n\u5982\u679c\u53ef\u80fd\uff0c\u7528\u56fa\u5b9a\u7684\u8868\u683c\u5f0f\u521b\u5efa\u8868\u3002<br \/>\n\u4e0d\u8981\u7d22\u5f15\u4f60\u4e0d\u60f3\u7528\u7684\u4e1c\u897f\u3002<br \/>\n\u5229\u7528MySQL\u80fd\u6309\u4e00\u4e2a\u7d22\u5f15\u7684\u524d\u7f00\u8fdb\u884c\u67e5\u8be2\u7684\u4e8b\u5b9e\u3002\u5982\u679c\u4f60\u6709\u7d22\u5f15INDEX(a,b)\uff0c\u4f60\u4e0d\u9700\u8981\u5728a\u4e0a\u7684\u7d22\u5f15\u3002<br \/>\n\u4e0d\u5728\u957fCHAR\/VARCHAR\u5217\u4e0a\u521b\u5efa\u7d22\u5f15\uff0c\u800c\u53ea\u7d22\u5f15\u5217\u7684\u4e00\u4e2a\u524d\u7f00\u4ee5\u8282\u7701\u5b58\u50a8\u7a7a\u95f4\u3002CREATE TABLE table_name (hostname CHAR(255) not null, index(hostname(10)))<br \/>\n\u5bf9\u6bcf\u4e2a\u8868\u4f7f\u7528\u6700\u6709\u6548\u7684\u8868\u683c\u5f0f\u3002<br \/>\n\u5728\u4e0d\u540c\u8868\u4e2d\u4fdd\u5b58\u76f8\u540c\u4fe1\u606f\u7684\u5217\u5e94\u8be5\u6709\u540c\u6837\u7684\u5b9a\u4e49\u5e76\u5177\u6709\u76f8\u540c\u7684\u5217\u540d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MySQL\u62e5\u6709\u4e00\u5957\u4e30\u5bcc\u7684\u7c7b\u578b\u3002\u4f60\u5e94\u8be5\u5bf9\u6bcf\u4e00\u5217\u5c1d\u8bd5\u4f7f\u7528\u6700\u6709\u6548\u7684\u7c7b\u578b\u3002 ANALYSE\u8fc7\u7a0b\u53ef\u4ee5\u5e2e\u52a9\u4f60\u627e\u5230\u8868\u7684\u6700\u4f18\u7c7b [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","footnotes":""},"categories":[],"tags":[],"class_list":["post-751","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/www.mudone.com\/index.php?rest_route=\/wp\/v2\/posts\/751","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mudone.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.mudone.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.mudone.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mudone.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=751"}],"version-history":[{"count":0,"href":"https:\/\/www.mudone.com\/index.php?rest_route=\/wp\/v2\/posts\/751\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.mudone.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=751"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.mudone.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=751"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.mudone.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=751"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}