{"id":143759,"date":"2024-11-01T01:00:21","date_gmt":"2024-10-31T17:00:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/143759\/"},"modified":"2024-11-01T01:00:21","modified_gmt":"2024-10-31T17:00:21","slug":"sql-%e6%9f%a5%e8%a9%a2%e6%99%82%e9%96%93%e6%ae%b5%e7%9a%84%e8%aa%9e%e5%8f%a5%e5%af%ab%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/143759\/","title":{"rendered":"SQL \u67e5\u8a62\u6642\u9593\u6bb5\u7684\u8a9e\u53e5\u5beb\u6cd5"},"content":{"rendered":"<h1 id=\"sql-%e6%9f%a5%e8%a9%a2%e6%99%82%e9%96%93%e6%ae%b5%e7%9a%84%e8%aa%9e%e5%8f%a5%e5%af%ab%e6%b3%95-ABPNocCCJh\">SQL \u67e5\u8a62\u6642\u9593\u6bb5\u7684\u8a9e\u53e5\u5beb\u6cd5<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0cSQL\uff08\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff09\u662f\u4e00\u7a2e\u7528\u65bc\u67e5\u8a62\u548c\u64cd\u4f5c\u6578\u64da\u7684\u6a19\u6e96\u8a9e\u8a00\u3002\u7576\u9700\u8981\u5f9e\u6578\u64da\u5eab\u4e2d\u63d0\u53d6\u7279\u5b9a\u6642\u9593\u6bb5\u5167\u7684\u6578\u64da\u6642\uff0c\u6b63\u78ba\u7684\u67e5\u8a62\u8a9e\u53e5\u5beb\u6cd5\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528 SQL \u67e5\u8a62\u8a9e\u53e5\u4f86\u7372\u53d6\u7279\u5b9a\u6642\u9593\u7bc4\u570d\u5167\u7684\u6578\u64da\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u7bc4\u4f8b\u3002<\/p>\n<h2 id=\"%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-ABPNocCCJh\">\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u5728 SQL \u4e2d\uff0c\u67e5\u8a62\u6642\u9593\u6bb5\u7684\u6578\u64da\u901a\u5e38\u6d89\u53ca\u5230\u65e5\u671f\u548c\u6642\u9593\u7684\u6bd4\u8f03\u3002\u5927\u591a\u6578\u6578\u64da\u5eab\u7cfb\u7d71\u90fd\u652f\u6301\u65e5\u671f\u548c\u6642\u9593\u985e\u578b\u7684\u6578\u64da\uff0c\u9019\u4f7f\u5f97\u6211\u5011\u80fd\u5920\u9032\u884c\u6709\u6548\u7684\u67e5\u8a62\u3002\u5e38\u898b\u7684\u65e5\u671f\u548c\u6642\u9593\u985e\u578b\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>DATE<\/strong>\uff1a\u53ea\u5305\u542b\u65e5\u671f\uff08\u5e74\u3001\u6708\u3001\u65e5\uff09\u3002<\/li>\n<li><strong>TIME<\/strong>\uff1a\u53ea\u5305\u542b\u6642\u9593\uff08\u6642\u3001\u5206\u3001\u79d2\uff09\u3002<\/li>\n<li><strong>DATETIME<\/strong>\uff1a\u540c\u6642\u5305\u542b\u65e5\u671f\u548c\u6642\u9593\u3002<\/li>\n<li><strong>TIMESTAMP<\/strong>\uff1a\u901a\u5e38\u7528\u65bc\u8a18\u9304\u4e8b\u4ef6\u767c\u751f\u7684\u6642\u9593\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%9f%a5%e8%a9%a2%e8%aa%9e%e5%8f%a5%e7%9a%84%e5%9f%ba%e6%9c%ac%e7%b5%90%e6%a7%8b-ABPNocCCJh\">\u67e5\u8a62\u8a9e\u53e5\u7684\u57fa\u672c\u7d50\u69cb<\/h2>\n<p>\u8981\u67e5\u8a62\u7279\u5b9a\u6642\u9593\u6bb5\u7684\u6578\u64da\uff0c\u901a\u5e38\u4f7f\u7528 <code>WHERE<\/code> \u5b50\u53e5\u4f86\u6307\u5b9a\u6642\u9593\u7bc4\u570d\u3002\u4ee5\u4e0b\u662f\u57fa\u672c\u7684\u67e5\u8a62\u8a9e\u53e5\u7d50\u69cb\uff1a<\/p>\n<pre><code>SELECT * FROM \u8868\u540d\nWHERE \u6642\u9593\u6b04\u4f4d BETWEEN '\u958b\u59cb\u6642\u9593' AND '\u7d50\u675f\u6642\u9593';<\/code><\/pre>\n<h2 id=\"%e7%af%84%e4%be%8b%e5%88%86%e6%9e%90-ABPNocCCJh\">\u7bc4\u4f8b\u5206\u6790<\/h2>\n<p>\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba <code>orders<\/code> \u7684\u8868\uff0c\u8a72\u8868\u5305\u542b\u4e00\u500b\u540d\u70ba <code>order_date<\/code> \u7684\u6b04\u4f4d\uff0c\u8a18\u9304\u6bcf\u500b\u8a02\u55ae\u7684\u65e5\u671f\u3002\u82e5\u6211\u5011\u60f3\u67e5\u8a62\u5728 2023 \u5e74 1 \u6708 1 \u65e5\u81f3 2023 \u5e74 1 \u6708 31 \u65e5\u4e4b\u9593\u7684\u6240\u6709\u8a02\u55ae\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u8a9e\u53e5\uff1a<\/p>\n<pre><code>SELECT * FROM orders\nWHERE order_date BETWEEN '2023-01-01' AND '2023-01-31';<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u8fd4\u56de\u6240\u6709\u5728\u6307\u5b9a\u65e5\u671f\u7bc4\u570d\u5167\u7684\u8a02\u55ae\u8a18\u9304\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e5%85%b6%e4%bb%96%e6%97%a5%e6%9c%9f%e5%87%bd%e6%95%b8-ABPNocCCJh\">\u4f7f\u7528\u5176\u4ed6\u65e5\u671f\u51fd\u6578<\/h2>\n<p>\u9664\u4e86\u4f7f\u7528 <code>BETWEEN<\/code> \u4f86\u67e5\u8a62\u6642\u9593\u6bb5\u5916\uff0c\u9084\u53ef\u4ee5\u4f7f\u7528\u5176\u4ed6\u65e5\u671f\u51fd\u6578\u4f86\u9032\u884c\u66f4\u9748\u6d3b\u7684\u67e5\u8a62\u3002\u4f8b\u5982\uff0c\u4f7f\u7528 <code>DATE_ADD<\/code> \u51fd\u6578\u4f86\u67e5\u8a62\u6700\u8fd1\u4e00\u5468\u7684\u8a02\u55ae\uff1a<\/p>\n<pre><code>SELECT * FROM orders\nWHERE order_date &gt;= DATE_ADD(CURDATE(), INTERVAL -7 DAY);<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u8fd4\u56de\u904e\u53bb\u4e03\u5929\u5167\u7684\u6240\u6709\u8a02\u55ae\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-ABPNocCCJh\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u9032\u884c\u6642\u9593\u67e5\u8a62\u6642\uff0c\u9700\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u6642\u9593\u683c\u5f0f\u6b63\u78ba\uff0c\u4e26\u8207\u6578\u64da\u5eab\u4e2d\u7684\u6642\u9593\u683c\u5f0f\u4e00\u81f4\u3002<\/li>\n<li>\u8003\u616e\u6642\u5340\u554f\u984c\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u8de8\u5730\u5340\u7684\u6578\u64da\u6642\u3002<\/li>\n<li>\u4f7f\u7528\u7d22\u5f15\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\uff0c\u7279\u5225\u662f\u5728\u5927\u6578\u64da\u96c6\u4e0a\u9032\u884c\u6642\u9593\u67e5\u8a62\u6642\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ABPNocCCJh\">\u7e3d\u7d50<\/h2>\n<p>\u5728 SQL \u4e2d\u67e5\u8a62\u7279\u5b9a\u6642\u9593\u6bb5\u7684\u6578\u64da\u662f\u4e00\u9805\u57fa\u672c\u800c\u91cd\u8981\u7684\u6280\u80fd\u3002\u901a\u904e\u4f7f\u7528\u6b63\u78ba\u7684\u8a9e\u6cd5\u548c\u51fd\u6578\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5730\u5f9e\u6578\u64da\u5eab\u4e2d\u63d0\u53d6\u6240\u9700\u7684\u4fe1\u606f\u3002\u7121\u8ad6\u662f\u4f7f\u7528 <code>BETWEEN<\/code> \u9084\u662f\u5176\u4ed6\u65e5\u671f\u51fd\u6578\uff0c\u638c\u63e1\u9019\u4e9b\u6280\u5de7\u5c07\u6709\u52a9\u65bc\u63d0\u9ad8\u60a8\u7684\u6578\u64da\u67e5\u8a62\u6548\u7387\u3002\u5982\u679c\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u6578\u64da\u8655\u7406\u548c\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u6216 <a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a> \u4f86\u652f\u6301\u60a8\u7684\u696d\u52d9\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4f7f\u7528 SQL \u67e5\u8a62\u7279\u5b9a\u6642\u9593\u6bb5\u7684\u6578\u64da\uff0c\u638c\u63e1\u6642\u9593\u7bc4\u570d\u67e5\u8a62\u7684\u8a9e\u53e5\u5beb\u6cd5\u8207\u6280\u5de7\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-143759","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/143759","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=143759"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/143759\/revisions"}],"predecessor-version":[{"id":143760,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/143759\/revisions\/143760"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=143759"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=143759"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=143759"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}