{"id":171427,"date":"2024-11-07T02:39:18","date_gmt":"2024-11-06T18:39:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/171427\/"},"modified":"2024-11-07T02:39:18","modified_gmt":"2024-11-06T18:39:18","slug":"%e6%b7%ba%e6%9e%90db2%e6%95%b8%e6%93%9a%e5%ba%ab%e6%87%89%e7%94%a8%e9%81%b7%e7%a7%bb%e4%b8%ad%e5%8f%af%e8%83%bd%e5%87%ba%e7%8f%be%e7%9a%84%e5%95%8f%e9%a1%8c","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/171427\/","title":{"rendered":"\u6dfa\u6790DB2\u6578\u64da\u5eab\u61c9\u7528\u9077\u79fb\u4e2d\u53ef\u80fd\u51fa\u73fe\u7684\u554f\u984c"},"content":{"rendered":"

\u6dfa\u6790DB2\u6578\u64da\u5eab\u61c9\u7528\u9077\u79fb\u4e2d\u53ef\u80fd\u51fa\u73fe\u7684\u554f\u984c<\/h1>\n

\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u5546\u696d\u74b0\u5883\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u9078\u64c7\u548c\u7ba1\u7406\u5c0d\u4f01\u696d\u7684\u904b\u71df\u81f3\u95dc\u91cd\u8981\u3002IBM\u7684DB2\u6578\u64da\u5eab\u56e0\u5176\u9ad8\u6548\u80fd\u548c\u7a69\u5b9a\u6027\u800c\u53d7\u5230\u5ee3\u6cdb\u4f7f\u7528\u3002\u7136\u800c\uff0c\u96a8\u8457\u6280\u8853\u7684\u9032\u6b65\u548c\u696d\u52d9\u9700\u6c42\u7684\u8b8a\u5316\uff0c\u8a31\u591a\u4f01\u696d\u9078\u64c7\u5c07\u5176DB2\u6578\u64da\u5eab\u61c9\u7528\u9077\u79fb\u5230\u5176\u4ed6\u5e73\u53f0\u6216\u96f2\u7aef\u74b0\u5883\u4e2d\u3002\u9019\u4e00\u904e\u7a0b\u96d6\u7136\u80fd\u5e36\u4f86\u8a31\u591a\u597d\u8655\uff0c\u4f46\u4e5f\u4f34\u96a8\u8457\u4e00\u7cfb\u5217\u6311\u6230\u548c\u554f\u984c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5728DB2\u6578\u64da\u5eab\u61c9\u7528\u9077\u79fb\u4e2d\u53ef\u80fd\u51fa\u73fe\u7684\u554f\u984c\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n

1. \u6578\u64da\u517c\u5bb9\u6027\u554f\u984c<\/h2>\n

\u5728\u9077\u79fb\u904e\u7a0b\u4e2d\uff0c\u6578\u64da\u7684\u517c\u5bb9\u6027\u662f\u6700\u5e38\u898b\u7684\u554f\u984c\u4e4b\u4e00\u3002\u4e0d\u540c\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u53ef\u80fd\u4f7f\u7528\u4e0d\u540c\u7684\u6578\u64da\u985e\u578b\u548c\u7d50\u69cb\uff0c\u9019\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u5728\u9077\u79fb\u904e\u7a0b\u4e2d\u51fa\u73fe\u4e1f\u5931\u6216\u640d\u58de\u7684\u60c5\u6cc1\u3002\u4f8b\u5982\uff0cDB2\u4e2d\u7684\u67d0\u4e9b\u6578\u64da\u985e\u578b\u5728\u5176\u4ed6\u6578\u64da\u5eab\u4e2d\u53ef\u80fd\u4e0d\u5b58\u5728\uff0c\u9019\u9700\u8981\u5728\u9077\u79fb\u524d\u9032\u884c\u8a73\u7d30\u7684\u6578\u64da\u6620\u5c04\u548c\u8f49\u63db\u3002<\/p>\n

-- DB2\u4e2d\u7684\u6578\u64da\u985e\u578b\u793a\u4f8b\nCREATE TABLE Employee (\n    ID INT PRIMARY KEY,\n    Name VARCHAR(100),\n    HireDate DATE\n);\n<\/code><\/pre>\n
\u5728\u9077\u79fb\u5230\u5176\u4ed6\u6578\u64da\u5eab\u7cfb\u7d71\u6642\uff0c\u53ef\u80fd\u9700\u8981\u5c07VARCHAR\u8f49\u63db\u70baTEXT\uff0c\u6216\u5c07DATE\u8f49\u63db\u70baTIMESTAMP\u7b49\u3002\u9019\u4e9b\u8f49\u63db\u9700\u8981\u8b39\u614e\u8655\u7406\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u3002<\/p>\n
2. \u61c9\u7528\u7a0b\u5e8f\u517c\u5bb9\u6027<\/h2>\n
\u9664\u4e86\u6578\u64da\u672c\u8eab\uff0c\u61c9\u7528\u7a0b\u5e8f\u7684\u517c\u5bb9\u6027\u4e5f\u662f\u4e00\u500b\u91cd\u8981\u8003\u91cf\u3002DB2\u7279\u6709\u7684SQL\u8a9e\u6cd5\u548c\u529f\u80fd\u5728\u5176\u4ed6\u6578\u64da\u5eab\u4e2d\u53ef\u80fd\u7121\u6cd5\u76f4\u63a5\u4f7f\u7528\uff0c\u9019\u53ef\u80fd\u5c0e\u81f4\u61c9\u7528\u7a0b\u5e8f\u5728\u9077\u79fb\u5f8c\u7121\u6cd5\u6b63\u5e38\u904b\u884c\u3002\u958b\u767c\u4eba\u54e1\u9700\u8981\u5c0d\u61c9\u7528\u7a0b\u5e8f\u9032\u884c\u91cd\u69cb\uff0c\u4ee5\u9069\u61c9\u65b0\u7684\u6578\u64da\u5eab\u74b0\u5883\u3002<\/p>\n
-- DB2\u7279\u6709\u7684SQL\u793a\u4f8b\nSELECT * FROM Employee WHERE HireDate > CURRENT DATE - 30 DAYS;\n<\/code><\/pre>\n
\u5728\u5176\u4ed6\u6578\u64da\u5eab\u4e2d\uff0c\u53ef\u80fd\u9700\u8981\u4f7f\u7528\u4e0d\u540c\u7684\u8a9e\u6cd5\u4f86\u5be6\u73fe\u76f8\u540c\u7684\u529f\u80fd\uff0c\u9019\u9700\u8981\u958b\u767c\u4eba\u54e1\u5177\u5099\u76f8\u61c9\u7684\u6280\u8853\u77e5\u8b58\u3002<\/p>\n
3. \u6027\u80fd\u554f\u984c<\/h2>\n
\u6578\u64da\u5eab\u9077\u79fb\u5f8c\uff0c\u6027\u80fd\u554f\u984c\u4e5f\u53ef\u80fd\u96a8\u4e4b\u800c\u4f86\u3002\u4e0d\u540c\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u5728\u67e5\u8a62\u512a\u5316\u3001\u7d22\u5f15\u7ba1\u7406\u548c\u8cc7\u6e90\u5206\u914d\u7b49\u65b9\u9762\u7684\u8868\u73fe\u53ef\u80fd\u6709\u6240\u4e0d\u540c\u3002\u9077\u79fb\u5f8c\uff0c\u4f01\u696d\u9700\u8981\u9032\u884c\u6027\u80fd\u6e2c\u8a66\uff0c\u4ee5\u78ba\u4fdd\u65b0\u74b0\u5883\u80fd\u5920\u6eff\u8db3\u696d\u52d9\u9700\u6c42\u3002<\/p>\n
4. \u5b89\u5168\u6027\u8003\u91cf<\/h2>\n
\u6578\u64da\u9077\u79fb\u904e\u7a0b\u4e2d\uff0c\u6578\u64da\u7684\u5b89\u5168\u6027\u4e5f\u662f\u4e00\u500b\u4e0d\u5bb9\u5ffd\u8996\u7684\u554f\u984c\u3002\u5728\u9077\u79fb\u904e\u7a0b\u4e2d\uff0c\u6578\u64da\u53ef\u80fd\u6703\u66b4\u9732\u65bc\u6f5b\u5728\u7684\u5b89\u5168\u5a01\u8105\u4e2d\u3002\u56e0\u6b64\uff0c\u4f01\u696d\u9700\u8981\u63a1\u53d6\u9069\u7576\u7684\u5b89\u5168\u63aa\u65bd\uff0c\u5982\u6578\u64da\u52a0\u5bc6\u548c\u8a2a\u554f\u63a7\u5236\uff0c\u4ee5\u4fdd\u8b77\u654f\u611f\u4fe1\u606f\u3002<\/p>\n
5. \u9077\u79fb\u8a08\u5283\u548c\u6e2c\u8a66<\/h2>\n
\u70ba\u4e86\u6e1b\u5c11\u9077\u79fb\u904e\u7a0b\u4e2d\u7684\u98a8\u96aa\uff0c\u4f01\u696d\u61c9\u8a72\u5236\u5b9a\u8a73\u7d30\u7684\u9077\u79fb\u8a08\u5283\uff0c\u5305\u62ec\u6642\u9593\u8868\u3001\u8cc7\u6e90\u5206\u914d\u548c\u6e2c\u8a66\u7b56\u7565\u3002\u5728\u9077\u79fb\u4e4b\u524d\uff0c\u9032\u884c\u5145\u5206\u7684\u6e2c\u8a66\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u53ef\u4ee5\u5e6b\u52a9\u8b58\u5225\u6f5b\u5728\u554f\u984c\u4e26\u63d0\u524d\u89e3\u6c7a\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
DB2\u6578\u64da\u5eab\u61c9\u7528\u7684\u9077\u79fb\u662f\u4e00\u500b\u8907\u96dc\u7684\u904e\u7a0b\uff0c\u6d89\u53ca\u6578\u64da\u517c\u5bb9\u6027\u3001\u61c9\u7528\u7a0b\u5e8f\u517c\u5bb9\u6027\u3001\u6027\u80fd\u3001\u5b89\u5168\u6027\u7b49\u591a\u65b9\u9762\u7684\u6311\u6230\u3002\u4f01\u696d\u5728\u9032\u884c\u9077\u79fb\u6642\uff0c\u61c9\u8a72\u5145\u5206\u8003\u616e\u9019\u4e9b\u554f\u984c\uff0c\u4e26\u5236\u5b9a\u76f8\u61c9\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u4ee5\u78ba\u4fdd\u9077\u79fb\u7684\u6210\u529f\u3002\u82e5\u60a8\u9700\u8981\u9032\u4e00\u6b65\u4e86\u89e3\u5982\u4f55\u5728\u9999\u6e2f\u9032\u884c\u6578\u64da\u5eab\u9077\u79fb\u6216\u5c0b\u627e\u5408\u9069\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u6dfa\u6790DB2\u6578\u64da\u5eab\u61c9\u7528\u9077\u79fb\u4e2d\u53ef\u80fd\u51fa\u73fe\u7684\u554f\u984c\uff0c\u63a2\u8a0e\u6578\u64da\u517c\u5bb9\u6027\u3001\u6027\u80fd\u5f71\u97ff\u53ca\u9077\u79fb\u7b56\u7565\u7b49\u6311\u6230\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-171427","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171427","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=171427"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171427\/revisions"}],"predecessor-version":[{"id":171428,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171427\/revisions\/171428"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=171427"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=171427"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=171427"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}