\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u7d93\u5e38\u9700\u8981\u5feb\u901f\u6aa2\u7d22\u6578\u64da\u4ee5\u9032\u884c\u5206\u6790\u6216\u8abf\u8a66\u3002\u7121\u8ad6\u662f\u4f7f\u7528\u95dc\u806f\u6578\u64da\u5eab\u9084\u662f\u975e\u95dc\u806f\u6578\u64da\u5eab\uff0c\u4e86\u89e3\u5982\u4f55\u6709\u6548\u5730\u67e5\u8a62\u6578\u64da\u90fd\u662f\u4e00\u9805\u57fa\u672c\u6280\u80fd\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728\u4e0d\u540c\u985e\u578b\u7684\u6578\u64da\u5eab\u4e2d\u8b80\u53d6\u524d10\u689d\u8a18\u9304\uff0c\u4e26\u63d0\u4f9b\u76f8\u61c9\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n
\u5728\u95dc\u806f\u6578\u64da\u5eab\u4e2d\uff0c\u6700\u5e38\u7528\u7684\u67e5\u8a62\u8a9e\u8a00\u662fSQL\uff08\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff09\u3002\u8981\u5f9e\u6578\u64da\u8868\u4e2d\u6aa2\u7d22\u524d10\u689d\u8a18\u9304\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\uff1a<\/p>\n
SELECT * FROM \u8868\u540d LIMIT 10;<\/code><\/pre>\n\u9019\u88e1\u7684\u201c\u8868\u540d\u201d\u61c9\u66ff\u63db\u70ba\u5be6\u969b\u7684\u6578\u64da\u8868\u540d\u7a31\u3002LIMIT\u5b50\u53e5\u7528\u65bc\u9650\u5236\u8fd4\u56de\u7684\u8a18\u9304\u6578\u91cf\u3002\u5728\u67d0\u4e9b\u6578\u64da\u5eab\u7cfb\u7d71\u4e2d\uff0c\u5982SQL Server\uff0c\u5247\u9700\u8981\u4f7f\u7528TOP\u5b50\u53e5\uff1a<\/p>\n
SELECT TOP 10 * FROM \u8868\u540d;<\/code><\/pre>\n\u793a\u4f8b\uff1aMySQL\u4e2d\u7684\u67e5\u8a62<\/h3>\n
\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba\u201cusers\u201d\u7684\u8868\uff0c\u5305\u542b\u7528\u6236\u7684\u57fa\u672c\u4fe1\u606f\u3002\u8981\u6aa2\u7d22\u524d10\u689d\u7528\u6236\u8a18\u9304\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\uff1a<\/p>\n
SELECT * FROM users LIMIT 10;<\/code><\/pre>\n\u9019\u5c07\u8fd4\u56de\u201cusers\u201d\u8868\u4e2d\u7684\u524d10\u689d\u8a18\u9304\uff0c\u901a\u5e38\u662f\u6839\u64da\u63d2\u5165\u7684\u9806\u5e8f\u3002\u5982\u679c\u9700\u8981\u6839\u64da\u7279\u5b9a\u7684\u6392\u5e8f\u689d\u4ef6\uff0c\u53ef\u4ee5\u6dfb\u52a0ORDER BY\u5b50\u53e5\uff1a<\/p>\n
SELECT * FROM users ORDER BY created_at DESC LIMIT 10;<\/code><\/pre>\n\u9019\u6a23\u7684\u67e5\u8a62\u5c07\u8fd4\u56de\u6700\u8fd1\u5275\u5efa\u768410\u689d\u7528\u6236\u8a18\u9304\u3002<\/p>\n
\u975e\u95dc\u806f\u6578\u64da\u5eab\u4e2d\u7684\u67e5\u8a62<\/h2>\n
\u5728\u975e\u95dc\u806f\u6578\u64da\u5eab\uff08\u5982MongoDB\uff09\u4e2d\uff0c\u67e5\u8a62\u7684\u65b9\u5f0f\u6709\u6240\u4e0d\u540c\u3002MongoDB\u4f7f\u7528JavaScript\u5c0d\u8c61\u8868\u793a\u6cd5\uff08JSON\uff09\u4f86\u5b58\u5132\u6578\u64da\uff0c\u4e26\u4f7f\u7528\u5176\u67e5\u8a62\u8a9e\u8a00\u4f86\u6aa2\u7d22\u6578\u64da\u3002\u8981\u7372\u53d6\u524d10\u689d\u8a18\u9304\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\uff1a<\/p>\n
db.collection\u540d.find().limit(10);<\/code><\/pre>\n\u9019\u88e1\u7684\u201ccollection\u540d\u201d\u61c9\u66ff\u63db\u70ba\u5be6\u969b\u7684\u96c6\u5408\u540d\u7a31\u3002limit()\u65b9\u6cd5\u7528\u65bc\u9650\u5236\u8fd4\u56de\u7684\u8a18\u9304\u6578\u91cf\u3002<\/p>\n
\u793a\u4f8b\uff1aMongoDB\u4e2d\u7684\u67e5\u8a62<\/h3>\n
\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba\u201cusers\u201d\u7684\u96c6\u5408\uff0c\u5305\u542b\u7528\u6236\u7684\u57fa\u672c\u4fe1\u606f\u3002\u8981\u6aa2\u7d22\u524d10\u689d\u7528\u6236\u8a18\u9304\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\uff1a<\/p>\n
db.users.find().limit(10);<\/code><\/pre>\n\u9019\u5c07\u8fd4\u56de\u201cusers\u201d\u96c6\u5408\u4e2d\u7684\u524d10\u689d\u8a18\u9304\u3002<\/p>\n
\u4f7f\u7528API\u9032\u884c\u6578\u64da\u6aa2\u7d22<\/h2>\n
\u8a31\u591a\u73fe\u4ee3\u61c9\u7528\u7a0b\u5e8f\u4f7f\u7528API\u4f86\u8207\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u3002\u901a\u904eRESTful API\uff0c\u53ef\u4ee5\u4f7f\u7528HTTP\u8acb\u6c42\u4f86\u7372\u53d6\u6578\u64da\u3002\u4f8b\u5982\uff0c\u5047\u8a2d\u6709\u4e00\u500bAPI\u7aef\u9ede\u53ef\u4ee5\u8fd4\u56de\u7528\u6236\u6578\u64da\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528GET\u8acb\u6c42\u4f86\u7372\u53d6\u524d10\u689d\u8a18\u9304\uff1a<\/p>\n
GET \/api\/users?limit=10<\/code><\/pre>\n\u9019\u6a23\u7684\u8acb\u6c42\u5c07\u8fd4\u56de\u524d10\u689d\u7528\u6236\u8a18\u9304\uff0c\u5177\u9ad4\u53d6\u6c7a\u65bcAPI\u7684\u5be6\u73fe\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u7121\u8ad6\u662f\u4f7f\u7528\u95dc\u806f\u6578\u64da\u5eab\u9084\u662f\u975e\u95dc\u806f\u6578\u64da\u5eab\uff0c\u6aa2\u7d22\u524d10\u689d\u8a18\u9304\u90fd\u662f\u4e00\u9805\u57fa\u672c\u4e14\u91cd\u8981\u7684\u6280\u80fd\u3002\u901a\u904e\u4f7f\u7528\u9069\u7576\u7684\u67e5\u8a62\u8a9e\u8a00\u548c\u65b9\u6cd5\uff0c\u60a8\u53ef\u4ee5\u5feb\u901f\u7372\u53d6\u6240\u9700\u7684\u6578\u64da\uff0c\u9032\u884c\u5206\u6790\u6216\u8abf\u8a66\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u548c\u670d\u52d9\u5668\u67b6\u69cb\u81f3\u95dc\u91cd\u8981\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 \u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5b78\u7fd2\u5982\u4f55\u5728\u6578\u64da\u5eab\u4e2d\u6709\u6548\u5730\u67e5\u8a62\u548c\u95b1\u8b80\u524d10\u689d\u8a18\u9304\uff0c\u63d0\u5347\u6578\u64da\u5206\u6790\u6280\u80fd\uff0c\u5feb\u901f\u7372\u53d6\u95dc\u9375\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-173307","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173307","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=173307"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173307\/revisions"}],"predecessor-version":[{"id":173308,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173307\/revisions\/173308"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=173307"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=173307"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=173307"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}