{"id":171113,"date":"2024-11-07T00:02:17","date_gmt":"2024-11-06T16:02:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/171113\/"},"modified":"2024-11-07T00:02:18","modified_gmt":"2024-11-06T16:02:18","slug":"%e4%b8%83%e5%80%8b%e6%a5%ad%e7%95%8c%e6%b5%81%e8%a1%8c%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%8c%e6%af%8f%e5%80%8b%e9%96%8b%e7%99%bc%e4%ba%ba%e5%93%a1%e9%83%bd%e6%87%89%e8%a9%b2%e4%ba%86%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/171113\/","title":{"rendered":"\u4e03\u500b\u696d\u754c\u6d41\u884c\u7684\u6578\u64da\u5eab\uff0c\u6bcf\u500b\u958b\u767c\u4eba\u54e1\u90fd\u61c9\u8a72\u4e86\u89e3\uff01"},"content":{"rendered":"

\u4e03\u500b\u696d\u754c\u6d41\u884c\u7684\u6578\u64da\u5eab\uff0c\u6bcf\u500b\u958b\u767c\u4eba\u54e1\u90fd\u61c9\u8a72\u4e86\u89e3\uff01<\/h1>\n

\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u6578\u64da\u5eab\u7684\u9078\u64c7\u5c0d\u65bc\u958b\u767c\u4eba\u54e1\u4f86\u8aaa\u81f3\u95dc\u91cd\u8981\u3002\u7121\u8ad6\u662f\u69cb\u5efa\u4e00\u500b\u5c0f\u578b\u61c9\u7528\u7a0b\u5e8f\u9084\u662f\u5927\u578b\u4f01\u696d\u7cfb\u7d71\uff0c\u4e86\u89e3\u4e0d\u540c\u985e\u578b\u7684\u6578\u64da\u5eab\u53ca\u5176\u7279\u9ede\u90fd\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u4e03\u500b\u696d\u754c\u6d41\u884c\u7684\u6578\u64da\u5eab\uff0c\u5e6b\u52a9\u958b\u767c\u4eba\u54e1\u9078\u64c7\u6700\u9069\u5408\u4ed6\u5011\u9700\u6c42\u7684\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n

1. MySQL<\/h2>\n

MySQL \u662f\u4e00\u500b\u958b\u6e90\u7684\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u7db2\u7ad9\u548c\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002\u5b83\u4ee5\u5176\u9ad8\u6548\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u800c\u805e\u540d\uff0c\u4e26\u4e14\u652f\u6301\u591a\u7a2e\u64cd\u4f5c\u7cfb\u7d71\u3002MySQL \u4f7f\u7528 SQL\uff08\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff09\u4f86\u9032\u884c\u6578\u64da\u64cd\u4f5c\uff0c\u9019\u4f7f\u5f97\u5b83\u5c0d\u65bc\u958b\u767c\u4eba\u54e1\u4f86\u8aaa\u975e\u5e38\u6613\u65bc\u5b78\u7fd2\u548c\u4f7f\u7528\u3002<\/p>\n

SELECT * FROM users WHERE age > 18;<\/code><\/pre>\n
2. PostgreSQL<\/h2>\n
PostgreSQL \u662f\u4e00\u500b\u529f\u80fd\u5f37\u5927\u7684\u958b\u6e90\u95dc\u806f\u6578\u64da\u5eab\uff0c\u652f\u6301\u8907\u96dc\u7684\u67e5\u8a62\u548c\u6578\u64da\u985e\u578b\u3002\u5b83\u7684\u64f4\u5c55\u6027\u548c\u9748\u6d3b\u6027\u4f7f\u5176\u6210\u70ba\u8a31\u591a\u4f01\u696d\u7684\u9996\u9078\u3002PostgreSQL \u652f\u6301 JSON \u6578\u64da\u985e\u578b\uff0c\u9019\u4f7f\u5f97\u5b83\u5728\u8655\u7406\u975e\u7d50\u69cb\u5316\u6578\u64da\u6642\u8868\u73fe\u51fa\u8272\u3002<\/p>\n
SELECT * FROM products WHERE attributes @> '{\"color\": \"red\"}';<\/code><\/pre>\n
3. MongoDB<\/h2>\n
MongoDB \u662f\u4e00\u500b\u6d41\u884c\u7684 NoSQL \u6578\u64da\u5eab\uff0c\u5c08\u70ba\u8655\u7406\u5927\u91cf\u975e\u7d50\u69cb\u5316\u6578\u64da\u800c\u8a2d\u8a08\u3002\u5b83\u4f7f\u7528\u6587\u6a94\u5c0e\u5411\u7684\u6578\u64da\u6a21\u578b\uff0c\u9019\u4f7f\u5f97\u6578\u64da\u7684\u5b58\u5132\u548c\u6aa2\u7d22\u8b8a\u5f97\u66f4\u52a0\u9748\u6d3b\u3002MongoDB \u7279\u5225\u9069\u5408\u9700\u8981\u5feb\u901f\u958b\u767c\u548c\u8fed\u4ee3\u7684\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n
db.users.find({ age: { $gt: 18 } });<\/code><\/pre>\n
4. Redis<\/h2>\n
Redis \u662f\u4e00\u500b\u9ad8\u6027\u80fd\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5e38\u7528\u65bc\u7de9\u5b58\u548c\u5373\u6642\u6578\u64da\u8655\u7406\u3002\u5b83\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u548c\u96c6\u5408\uff0c\u4e26\u4e14\u5177\u6709\u6301\u4e45\u5316\u529f\u80fd\u3002Redis \u7684\u901f\u5ea6\u975e\u5e38\u5feb\uff0c\u9069\u5408\u9700\u8981\u9ad8\u541e\u5410\u91cf\u7684\u61c9\u7528\u3002<\/p>\n
SET user:1000 \"John Doe\";<\/code><\/pre>\n
5. SQLite<\/h2>\n
SQLite \u662f\u4e00\u500b\u8f15\u91cf\u7d1a\u7684\u95dc\u806f\u6578\u64da\u5eab\uff0c\u9069\u5408\u5d4c\u5165\u5f0f\u61c9\u7528\u548c\u5c0f\u578b\u9805\u76ee\u3002\u5b83\u7684\u7279\u9ede\u662f\u7121\u9700\u5b89\u88dd\u548c\u914d\u7f6e\uff0c\u6578\u64da\u5eab\u6587\u4ef6\u53ef\u4ee5\u76f4\u63a5\u5b58\u5132\u5728\u61c9\u7528\u7a0b\u5e8f\u7684\u6587\u4ef6\u7cfb\u7d71\u4e2d\u3002SQLite \u7684\u7c21\u55ae\u6027\u4f7f\u5176\u6210\u70ba\u958b\u767c\u548c\u6e2c\u8a66\u7684\u7406\u60f3\u9078\u64c7\u3002<\/p>\n
CREATE TABLE users (id INTEGER PRIMARY KEY, name TEXT);<\/code><\/pre>\n
6. Microsoft SQL Server<\/h2>\n
Microsoft SQL Server \u662f\u4e00\u500b\u5546\u696d\u7d1a\u7684\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u4f01\u696d\u74b0\u5883\u4e2d\u3002\u5b83\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u6578\u64da\u5206\u6790\u548c\u5831\u544a\u529f\u80fd\uff0c\u4e26\u4e14\u8207 Microsoft \u7684\u5176\u4ed6\u7522\u54c1\uff08\u5982 Azure \u548c Power BI\uff09\u96c6\u6210\u826f\u597d\u3002SQL Server \u652f\u6301 T-SQL \u8a9e\u8a00\uff0c\u9019\u662f\u5176\u7279\u6709\u7684\u64f4\u5c55 SQL \u8a9e\u8a00\u3002<\/p>\n
SELECT TOP 10 * FROM sales ORDER BY amount DESC;<\/code><\/pre>\n
7. Cassandra<\/h2>\n
Cassandra \u662f\u4e00\u500b\u5206\u4f48\u5f0f NoSQL \u6578\u64da\u5eab\uff0c\u5c08\u70ba\u8655\u7406\u5927\u91cf\u6578\u64da\u800c\u8a2d\u8a08\u3002\u5b83\u7684\u9ad8\u53ef\u7528\u6027\u548c\u64f4\u5c55\u6027\u4f7f\u5176\u6210\u70ba\u5927\u578b\u61c9\u7528\u7a0b\u5e8f\u7684\u7406\u60f3\u9078\u64c7\u3002Cassandra \u4f7f\u7528 CQL\uff08Cassandra Query Language\uff09\uff0c\u9019\u4f7f\u5f97\u67e5\u8a62\u64cd\u4f5c\u8b8a\u5f97\u7c21\u55ae\u76f4\u89c0\u3002<\/p>\n
SELECT * FROM users WHERE last_name = 'Smith';<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
\u4e86\u89e3\u9019\u4e03\u500b\u6d41\u884c\u7684\u6578\u64da\u5eab\u5c0d\u65bc\u6bcf\u4f4d\u958b\u767c\u4eba\u54e1\u4f86\u8aaa\u90fd\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u6839\u64da\u9805\u76ee\u7684\u9700\u6c42\u548c\u7279\u6027\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u958b\u767c\u6548\u7387\u548c\u7cfb\u7d71\u6027\u80fd\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u90e8\u7f72\u60a8\u7684\u6578\u64da\u5eab\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f \u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 \u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u53ef\u9760\u7684\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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