{"id":186980,"date":"2024-11-11T10:26:28","date_gmt":"2024-11-11T02:26:28","guid":{"rendered":"https:\/\/server.hk\/cnblog\/186980\/"},"modified":"2024-11-11T10:26:29","modified_gmt":"2024-11-11T02:26:29","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%8d%80%e9%96%93%e6%90%9c%e7%b4%a2%ef%bc%9a%e5%84%aa%e5%8c%96%e5%a4%a7%e6%95%b8%e6%93%9a%e8%99%95%e7%90%86-%e6%95%b8%e6%93%9a%e5%ba%ab%e5%8d%80%e9%96%93%e6%90%9c%e7%b4%a2","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/186980\/","title":{"rendered":"\u6578\u64da\u5eab\u5340\u9593\u641c\u7d22\uff1a\u512a\u5316\u5927\u6578\u64da\u8655\u7406 (\u6578\u64da\u5eab\u5340\u9593\u641c\u7d22)"},"content":{"rendered":"<h1 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id=\"%e5%84%aa%e5%8c%96%e6%95%b8%e6%93%9a%e5%ba%ab%e5%8d%80%e9%96%93%e6%90%9c%e7%b4%a2%e7%9a%84%e6%96%b9%e6%b3%95-bYBxXPvyGk\">\u512a\u5316\u6578\u64da\u5eab\u5340\u9593\u641c\u7d22\u7684\u65b9\u6cd5<\/h2>\n<p>\u70ba\u4e86\u63d0\u9ad8\u6578\u64da\u5eab\u5340\u9593\u641c\u7d22\u7684\u6027\u80fd\uff0c\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u5e7e\u7a2e\u512a\u5316\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e9%81%a9%e7%95%b6%e7%9a%84%e7%b4%a2%e5%bc%95-bYBxXPvyGk\">1. \u4f7f\u7528\u9069\u7576\u7684\u7d22\u5f15<\/h3>\n<p>\u7d22\u5f15\u662f\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u7684\u95dc\u9375\u3002\u5c0d\u65bc\u5340\u9593\u641c\u7d22\uff0cB\u6a39\uff08B-Tree\uff09\u548cR\u6a39\uff08R-Tree\uff09\u662f\u5e38\u7528\u7684\u7d22\u5f15\u7d50\u69cb\u3002B\u6a39\u9069\u5408\u65bc\u7bc4\u570d\u67e5\u8a62\uff0c\u800cR\u6a39\u5247\u66f4\u9069\u5408\u65bc\u591a\u7dad\u6578\u64da\u7684\u67e5\u8a62\u3002<\/p>\n<pre><code>CREATE INDEX idx_sales_date ON sales (sale_date);<\/code><\/pre>\n<h3 id=\"2-%e6%9f%a5%e8%a9%a2%e9%87%8d%e5%af%ab-bYBxXPvyGk\">2. \u67e5\u8a62\u91cd\u5beb<\/h3>\n<p>\u901a\u904e\u91cd\u5beb\u67e5\u8a62\u8a9e\u53e5\uff0c\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u7684\u6548\u7387\u3002\u4f8b\u5982\uff0c\u4f7f\u7528JOIN\u800c\u4e0d\u662f\u5b50\u67e5\u8a62\uff0c\u6216\u8005\u4f7f\u7528UNION\u800c\u4e0d\u662fOR\u689d\u4ef6\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<pre><code>SELECT * FROM sales WHERE sale_date BETWEEN '2023-01-01' AND '2023-12-31';<\/code><\/pre>\n<h3 id=\"3-%e5%88%86%e5%8d%80%e8%a1%a8-bYBxXPvyGk\">3. \u5206\u5340\u8868<\/h3>\n<p>\u5c0d\u65bc\u975e\u5e38\u5927\u7684\u6578\u64da\u96c6\uff0c\u4f7f\u7528\u5206\u5340\u8868\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002\u901a\u904e\u5c07\u6578\u64da\u5206\u6210\u591a\u500b\u5c0f\u7684\u90e8\u5206\uff0c\u53ef\u4ee5\u6e1b\u5c11\u6bcf\u6b21\u67e5\u8a62\u9700\u8981\u6383\u63cf\u7684\u6578\u64da\u91cf\u3002<\/p>\n<pre><code>CREATE TABLE sales_partitioned (\n    sale_id INT,\n    sale_date DATE\n) PARTITION BY RANGE (sale_date);<\/code><\/pre>\n<h3 id=\"4-%e7%b7%a9%e5%ad%98%e6%a9%9f%e5%88%b6-bYBxXPvyGk\">4. \u7de9\u5b58\u6a5f\u5236<\/h3>\n<p>\u4f7f\u7528\u7de9\u5b58\u53ef\u4ee5\u6e1b\u5c11\u5c0d\u6578\u64da\u5eab\u7684\u76f4\u63a5\u67e5\u8a62\u6b21\u6578\uff0c\u5f9e\u800c\u63d0\u9ad8\u6027\u80fd\u3002\u53ef\u4ee5\u8003\u616e\u4f7f\u7528Redis\u6216Memcached\u7b49\u7de9\u5b58\u6280\u8853\u4f86\u5b58\u5132\u5e38\u7528\u7684\u67e5\u8a62\u7d50\u679c\u3002<\/p>\n<h2 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