{"id":338,"date":"2013-01-03T18:26:44","date_gmt":"2013-01-03T10:26:44","guid":{"rendered":"http:\/\/www.cnmiss.cn\/?p=338"},"modified":"2013-02-18T16:13:48","modified_gmt":"2013-02-18T08:13:48","slug":"mysql-5-1%e5%88%86%e5%8c%ba%e6%8a%80%e6%9c%af%e5%88%9d%e6%8e%a2%ef%bc%88%e4%ba%8c%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.cnmiss.cn\/?p=338","title":{"rendered":"MySQL 5.1\u5206\u533a\u6280\u672f\u521d\u63a2\uff08\u4e8c\uff09"},"content":{"rendered":"<p>2. MySQL\u5206\u533a\u4ecb\u7ecd<br \/>\nMySQL\u7684\u5206\u533a\u6280\u672f\u4e0d\u540c\u4e0e\u4e4b\u524d\u7684\u5206\u8868\u6280\u672f\uff0c\u5b83\u4e0e\u6c34\u5e73\u5206\u8868\u6709\u70b9\u7c7b\u4f3c\uff0c\u4f46\u662f\u5b83\u662f\u5728\u903b\u8f91\u5c42\u8fdb\u884c\u7684\u6c34\u5e73\u5206\u8868\uff0c\u5bf9\u4e0e\u5e94\u7528\u7a0b\u5e8f\u800c\u8a00\u5b83\u8fd8\u662f\u4e00\u5f20\u8868\u3002<br \/>\n2.1 MySQL\u5206\u533a\u7c7b\u578b<br \/>\nMySQL5.1\u67095\u4e2d\u5206\u533a\u7c7b\u578b\uff1a<br \/>\nRANGE \u5206\u533a\uff1a\u57fa\u4e8e\u5c5e\u4e8e\u4e00\u4e2a\u7ed9\u5b9a\u8fde\u7eed\u533a\u95f4\u7684\u5217\u503c\uff0c\u628a\u591a\u884c\u5206\u914d\u7ed9\u5206\u533a\uff1b<br \/>\nLIST \u5206\u533a\uff1a\u7c7b\u4f3c\u4e8e\u6309RANGE\u5206\u533a\uff0c\u533a\u522b\u5728\u4e8eLIST\u5206\u533a\u662f\u57fa\u4e8e\u5217\u503c\u5339\u914d\u4e00\u4e2a\u79bb\u6563\u503c\u96c6\u5408\u4e2d\u7684\u67d0\u4e2a\u503c\u6765\u8fdb\u884c\u9009\u62e9\uff1b<br \/>\nHASH\u5206\u533a\uff1a\u57fa\u4e8e\u7528\u6237\u5b9a\u4e49\u7684\u8868\u8fbe\u5f0f\u7684\u8fd4\u56de\u503c\u6765\u8fdb\u884c\u9009\u62e9\u7684\u5206\u533a\uff0c\u8be5\u8868\u8fbe\u5f0f\u4f7f\u7528\u5c06\u8981\u63d2\u5165\u5230\u8868\u4e2d\u7684\u8fd9\u4e9b\u884c\u7684\u5217\u503c\u8fdb\u884c\u8ba1\u7b97\u3002\u8fd9\u4e2a\u51fd\u6570\u53ef\u4ee5\u5305\u542bMySQL \u4e2d\u6709\u6548\u7684\u3001\u4ea7\u751f\u975e\u8d1f\u6574\u6570\u503c\u7684\u4efb\u4f55\u8868\u8fbe\u5f0f\u3002<br \/>\nKEY \u5206\u533a\uff1a\u7c7b\u4f3c\u4e8e\u6309HASH\u5206\u533a\uff0c\u533a\u522b\u5728\u4e8eKEY\u5206\u533a\u53ea\u652f\u6301\u8ba1\u7b97\u4e00\u5217\u6216\u591a\u5217\uff0c\u4e14MySQL \u670d\u52a1\u5668\u63d0\u4f9b\u5176\u81ea\u8eab\u7684\u54c8\u5e0c\u51fd\u6570\u3002<br \/>\n2.2 RANGE\u5206\u533a<br \/>\n\u5bf9\u4e8eRANGE\u5206\u533a\uff0c\u4e3e\u4e2a\u4f8b\u5b50\uff1a<br \/>\n\u4f8b1. \u5047\u5b9a\u4f60\u521b\u5efa\u4e86\u4e00\u4e2a\u5982\u4e0b\u7684\u4e00\u4e2a\u8868\uff0c\u8be5\u8868\u4fdd\u5b58\u670920\u5bb6\u97f3\u50cf\u5e97\u7684\u804c\u5458\u8bb0\u5f55\uff0c\u8fd920\u5bb6\u97f3\u50cf\u5e97\u7684\u7f16\u53f7\u4ece1\u523020\u3002 \u5982\u679c\u4f60\u60f3\u5c06\u5176\u5206\u62104\u4e2a\u5c0f\u5206\u533a\uff0c\u90a3\u4e48\u4f60\u53ef\u4ee5\u91c7\u7528RANGE\u5206\u533a\uff0c\u521b\u5efa\u7684\u6570\u636e\u5e93\u8868\u5982\u4e0b\uff1a<br \/>\n<img loading=\"lazy\" decoding=\"async\" title=\"MySQL 5.1\u5206\u533a\u6280\u672f\u521d\u63a2\uff08\u4e8c\uff09 - \u7b2c1\u5f20  | \u6211\u7684\u535a\u5ba2 - \u6280\u672f\u5206\u4eab\" alt=\"MySQL 5.1\u5206\u533a\u6280\u672f\u521d\u63a2\uff08\u4e8c\uff09 - \u7b2c1\u5f20  | \u6211\u7684\u535a\u5ba2 - \u6280\u672f\u5206\u4eab\" alt=\"\" src=\"https:\/\/www.cnmiss.cn\/wp-content\/uploads\/2013\/01\/5775906_1281515860ohZh.png\" width=\"557\" height=\"280\" \/><br \/>\n\u8fd9\u4e2a\u4f8b\u5b50\uff0c\u5b83\u7684key\u662f\u4e00\u4e2a\u6574\u578b\u7684\u6570\u636e\uff0c\u90a3\u662f\u5426\u5bf9\u4e8e\u5176\u5b83\u7c7b\u578b\u7684\u5b57\u6bb5\u5c31\u65e0\u6cd5\u4f5c\u4e3akey\u5462\uff1f\u3000\u3000\u7b54\u6848\u662f\u5426\u5b9a\u7684\uff0c\u4f8b\u5b502\u8bf4\u660e\u8fd9\u79cd\u60c5\u51b5\u3002<br \/>\n\u4f8b2. \u5047\u5b9a\u4f60\u521b\u5efa\u4e86\u4e00\u4e2a\u5982\u4e0b\u7684\u4e00\u4e2a\u8868\uff0c\u8be5\u8868\u4fdd\u5b58\u670920\u5bb6\u97f3\u50cf\u5e97\u7684\u804c\u5458\u8bb0\u5f55\uff0c\u8fd920\u5bb6\u97f3\u50cf\u5e97\u7684\u7f16\u53f7\u4ece1\u523020\u3002\u4f60\u60f3\u628a\u4e0d\u540c\u65f6\u671f\u79bb\u804c\u7684\u5458\u5de5\u8fdb\u884c\u5206\u522b\u5b58\u50a8\uff0c\u90a3\u4e48\u4f60\u53ef\u4ee5\u5c06\u65e5\u671f\u5b57\u6bb5separated\uff08\u5373\u79bb\u804c\u65f6\u95f4\uff09\u4f5c\u4e3a\u4e00\u4e2akey\uff0c\u521b\u5efa\u7684SQL\u8bed\u53e5\u5982\u4e0b\uff1a<br \/>\n<img loading=\"lazy\" decoding=\"async\" title=\"MySQL 5.1\u5206\u533a\u6280\u672f\u521d\u63a2\uff08\u4e8c\uff09 - \u7b2c2\u5f20  | \u6211\u7684\u535a\u5ba2 - \u6280\u672f\u5206\u4eab\" alt=\"MySQL 5.1\u5206\u533a\u6280\u672f\u521d\u63a2\uff08\u4e8c\uff09 - \u7b2c2\u5f20  | \u6211\u7684\u535a\u5ba2 - \u6280\u672f\u5206\u4eab\" alt=\"\" src=\"https:\/\/www.cnmiss.cn\/wp-content\/uploads\/2013\/01\/5775906_1281515941u6vD.png\" width=\"537\" height=\"269\" \/><br \/>\n\u8fd9\u6837\u4f60\u5c31\u53ef\u4ee5\u5bf9\u4e00\u4e2a\u65e5\u671f\u7c7b\u578b\u7684\u5b57\u6bb5\u8c03\u7528mysql\u7684\u65e5\u671f\u51fd\u6570YEAR()\u8f6c\u6362\u4e3a\u4e00\u79cd\u6574\u6570\u7c7b\u578b\uff0c\u4ece\u800c\u53ef\u4ee5\u4f5c\u4e3aRANGE\u5206\u533a\u7684key\u3002\u8fd9\u4e2a\u65f6\u5019\uff0c\u4f60\u53ef\u4ee5\u770b\u5230\uff0c\u6309\u7167\u5206\u533a\u540e\u7684\u7269\u7406\u6587\u4ef6\u662f\u76f8\u5bf9\u72ec\u7acb\u7684\uff1a<br \/>\n<img loading=\"lazy\" decoding=\"async\" title=\"MySQL 5.1\u5206\u533a\u6280\u672f\u521d\u63a2\uff08\u4e8c\uff09 - \u7b2c3\u5f20  | \u6211\u7684\u535a\u5ba2 - \u6280\u672f\u5206\u4eab\" alt=\"MySQL 5.1\u5206\u533a\u6280\u672f\u521d\u63a2\uff08\u4e8c\uff09 - \u7b2c3\u5f20  | \u6211\u7684\u535a\u5ba2 - \u6280\u672f\u5206\u4eab\" alt=\"\" src=\"https:\/\/www.cnmiss.cn\/wp-content\/uploads\/2013\/01\/5775906_1281518079i05i.png\" width=\"559\" height=\"204\" \/><br \/>\n\u53ef\u77e5\uff0c\u6bcf\u4e2a\u5206\u533a\u6709\u81ea\u5df1\u72ec\u7acb\u7684\u6570\u636e\u6587\u4ef6\u548c\u7d22\u5f15\u6587\u4ef6\uff0c\u8fd9\u662f\u4e3a\u4ec0\u4e48\u4f60\u5bf9\u67d0\u4e00\u4e2a\u67e5\u8be2\uff0c\u5b83\u53ea\u4f1a\u8bbf\u95ee\u5b83\u9700\u8981\u8bbf\u95ee\u7684\u6570\u636e\u5757\uff0c\u800c\u4e0d\u8bbf\u95ee\u6839\u672c\u4e0d\u662f\u7ed3\u679c\u7684\u7269\u7406\u5757\uff0c\u4ece\u800c\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u7cfb\u7edf\u7684\u6548\u7387\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>2. MySQL\u5206\u533a\u4ecb\u7ecd MySQL\u7684\u5206\u533a\u6280\u672f\u4e0d\u540c\u4e0e\u4e4b\u524d\u7684\u5206\u8868\u6280\u672f\uff0c\u5b83\u4e0e\u6c34\u5e73\u5206\u8868 &hellip; <a href=\"https:\/\/www.cnmiss.cn\/?p=338\">\u7ee7\u7eed\u9605\u8bfb <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[24],"class_list":["post-338","post","type-post","status-publish","format-standard","hentry","category-xxbj","tag-mysql"],"_links":{"self":[{"href":"https:\/\/www.cnmiss.cn\/index.php?rest_route=\/wp\/v2\/posts\/338","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.cnmiss.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.cnmiss.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.cnmiss.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cnmiss.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=338"}],"version-history":[{"count":0,"href":"https:\/\/www.cnmiss.cn\/index.php?rest_route=\/wp\/v2\/posts\/338\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.cnmiss.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=338"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cnmiss.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=338"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cnmiss.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=338"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}