{"id":165343,"date":"2024-11-05T11:32:21","date_gmt":"2024-11-05T03:32:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/165343\/"},"modified":"2024-11-05T11:32:22","modified_gmt":"2024-11-05T03:32:22","slug":"%e5%8f%af%e4%bb%a5%e4%bd%bf%e7%94%a8db2%e8%81%af%e9%82%a6%ef%bc%9f-db2-%e8%81%af%e9%82%a6-%e5%93%aa%e4%ba%9b%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/165343\/","title":{"rendered":"\u53ef\u4ee5\u4f7f\u7528db2\u806f\u90a6\uff1f (db2 \u806f\u90a6 \u54ea\u4e9b\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"%e5%8f%af%e4%bb%a5%e4%bd%bf%e7%94%a8db2%e8%81%af%e9%82%a6%ef%bc%9f-db2-%e8%81%af%e9%82%a6%e5%93%aa%e4%ba%9b%e6%95%b8%e6%93%9a%e5%ba%ab-PlPGZcCdMY\">\u53ef\u4ee5\u4f7f\u7528DB2\u806f\u90a6\uff1f (DB2 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id=\"%e4%bb%80%e9%ba%bc%e6%98%afdb2%e8%81%af%e9%82%a6%ef%bc%9f-PlPGZcCdMY\">\u4ec0\u9ebc\u662fDB2\u806f\u90a6\uff1f<\/h2>\n<p>DB2\u806f\u90a6\u662f\u4e00\u7a2e\u6578\u64da\u6574\u5408\u6280\u8853\uff0c\u5141\u8a31\u7528\u6236\u5728\u4e0d\u540c\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u4e2d\u57f7\u884c\u67e5\u8a62\uff0c\u800c\u7121\u9700\u5c07\u6578\u64da\u96c6\u4e2d\u5230\u4e00\u500b\u55ae\u4e00\u7684\u6578\u64da\u5eab\u4e2d\u3002\u9019\u610f\u5473\u8457\u7528\u6236\u53ef\u4ee5\u8de8\u591a\u500b\u6578\u64da\u6e90\u9032\u884c\u67e5\u8a62\uff0c\u5f9e\u800c\u63d0\u9ad8\u6578\u64da\u7684\u53ef\u7528\u6027\u548c\u9748\u6d3b\u6027\u3002DB2\u806f\u90a6\u652f\u6301\u591a\u7a2e\u6578\u64da\u5eab\uff0c\u5305\u62ec\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u548c\u975e\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff0c\u9019\u4f7f\u5f97\u5b83\u6210\u70ba\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u6574\u5408\u4f86\u81ea\u4e0d\u540c\u7cfb\u7d71\u7684\u6578\u64da\u6642\u3002<\/p>\n<h2 id=\"db2%e8%81%af%e9%82%a6%e6%94%af%e6%8c%81%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab%e9%a1%9e%e5%9e%8b-PlPGZcCdMY\">DB2\u806f\u90a6\u652f\u6301\u7684\u6578\u64da\u5eab\u985e\u578b<\/h2>\n<p>DB2\u806f\u90a6\u652f\u6301\u591a\u7a2e\u6578\u64da\u5eab\u7cfb\u7d71\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4e3b\u8981\u7684\u6578\u64da\u5eab\u985e\u578b\uff1a<\/p>\n<ul>\n<li><strong>\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff1a<\/strong>DB2\u806f\u90a6\u53ef\u4ee5\u8207\u591a\u7a2e\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u9032\u884c\u6574\u5408\uff0c\u5305\u62ecOracle\u3001Microsoft SQL Server\u3001MySQL\u7b49\u3002\u9019\u4e9b\u6578\u64da\u5eab\u901a\u5e38\u4f7f\u7528SQL\u8a9e\u8a00\u9032\u884c\u67e5\u8a62\uff0cDB2\u806f\u90a6\u80fd\u5920\u7121\u7e2b\u5730\u8207\u9019\u4e9b\u7cfb\u7d71\u9032\u884c\u4ea4\u4e92\u3002<\/li>\n<li><strong>\u975e\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff1a<\/strong>\u9664\u4e86\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff0cDB2\u806f\u90a6\u9084\u652f\u6301\u4e00\u4e9b\u975e\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff0c\u5982MongoDB\u548cCassandra\u3002\u9019\u4f7f\u5f97\u7528\u6236\u80fd\u5920\u5728\u4e0d\u540c\u7684\u6578\u64da\u6a21\u578b\u4e4b\u9593\u9032\u884c\u67e5\u8a62\uff0c\u5f9e\u800c\u7372\u5f97\u66f4\u5168\u9762\u7684\u6578\u64da\u8996\u5716\u3002<\/li>\n<li><strong>\u6578\u64da\u5009\u5eab\uff1a<\/strong>DB2\u806f\u90a6\u4e5f\u53ef\u4ee5\u8207\u6578\u64da\u5009\u5eab\u7cfb\u7d71\u9032\u884c\u6574\u5408\uff0c\u4f8b\u5982IBM\u7684Netezza\u548cTeradata\u3002\u9019\u4e9b\u7cfb\u7d71\u901a\u5e38\u7528\u65bc\u5927\u898f\u6a21\u6578\u64da\u5206\u6790\uff0cDB2\u806f\u90a6\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u5f9e\u9019\u4e9b\u7cfb\u7d71\u4e2d\u63d0\u53d6\u6240\u9700\u7684\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8db2%e8%81%af%e9%82%a6%e9%80%b2%e8%a1%8c%e6%9f%a5%e8%a9%a2-PlPGZcCdMY\">\u5982\u4f55\u4f7f\u7528DB2\u806f\u90a6\u9032\u884c\u67e5\u8a62<\/h2>\n<p>\u4f7f\u7528DB2\u806f\u90a6\u9032\u884c\u67e5\u8a62\u7684\u904e\u7a0b\u76f8\u5c0d\u7c21\u55ae\u3002\u7528\u6236\u9700\u8981\u9996\u5148\u914d\u7f6e\u806f\u90a6\u670d\u52d9\uff0c\u7136\u5f8c\u53ef\u4ee5\u4f7f\u7528SQL\u8a9e\u8a00\u4f86\u57f7\u884c\u67e5\u8a62\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728DB2\u4e2d\u67e5\u8a62\u4f86\u81ea\u4e0d\u540c\u6578\u64da\u5eab\u7684\u6578\u64da\uff1a<\/p>\n<pre><code>\nSELECT a.column1, b.column2\nFROM federated_table_a AS a\nJOIN federated_table_b AS b ON a.id = b.id\nWHERE a.condition = 'value';\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c<code>federated_table_a<\/code>\u548c<code>federated_table_b<\/code>\u5206\u5225\u4ee3\u8868\u4f86\u81ea\u4e0d\u540c\u6578\u64da\u5eab\u7684\u806f\u90a6\u8868\u3002\u7528\u6236\u53ef\u4ee5\u4f7f\u7528\u6a19\u6e96\u7684SQL\u8a9e\u6cd5\u4f86\u67e5\u8a62\u9019\u4e9b\u8868\uff0c\u5f9e\u800c\u7372\u5f97\u6240\u9700\u7684\u6578\u64da\u3002<\/p>\n<h2 id=\"db2%e8%81%af%e9%82%a6%e7%9a%84%e5%84%aa%e5%8b%a2-PlPGZcCdMY\">DB2\u806f\u90a6\u7684\u512a\u52e2<\/h2>\n<p>DB2\u806f\u90a6\u63d0\u4f9b\u4e86\u591a\u7a2e\u512a\u52e2\uff0c\u4f7f\u5176\u6210\u70ba\u4f01\u696d\u6578\u64da\u6574\u5408\u7684\u7406\u60f3\u9078\u64c7\uff1a<\/p>\n<ul>\n<li><strong>\u9748\u6d3b\u6027\uff1a<\/strong>\u7528\u6236\u53ef\u4ee5\u96a8\u6642\u6dfb\u52a0\u6216\u522a\u9664\u6578\u64da\u6e90\uff0c\u800c\u7121\u9700\u5c0d\u6574\u9ad4\u67b6\u69cb\u9032\u884c\u91cd\u5927\u66f4\u6539\u3002<\/li>\n<li><strong>\u5be6\u6642\u6578\u64da\u8a2a\u554f\uff1a<\/strong>DB2\u806f\u90a6\u5141\u8a31\u7528\u6236\u5be6\u6642\u8a2a\u554f\u5206\u6563\u5728\u4e0d\u540c\u7cfb\u7d71\u4e2d\u7684\u6578\u64da\uff0c\u5f9e\u800c\u63d0\u9ad8\u6c7a\u7b56\u7684\u6548\u7387\u3002<\/li>\n<li><strong>\u964d\u4f4e\u6578\u64da\u5197\u9918\uff1a<\/strong>\u901a\u904e\u806f\u90a6\u67e5\u8a62\uff0c\u7528\u6236\u7121\u9700\u5c07\u6578\u64da\u8907\u88fd\u5230\u55ae\u4e00\u6578\u64da\u5eab\u4e2d\uff0c\u5f9e\u800c\u6e1b\u5c11\u4e86\u6578\u64da\u5197\u9918\u548c\u5b58\u5132\u6210\u672c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-PlPGZcCdMY\">\u7e3d\u7d50<\/h2>\n<p>DB2\u806f\u90a6\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u4f01\u696d\u5728\u591a\u500b\u6578\u64da\u5eab\u4e4b\u9593\u9032\u884c\u6709\u6548\u7684\u6578\u64da\u6574\u5408\u3002\u7121\u8ad6\u662f\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u9084\u662f\u975e\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff0cDB2\u806f\u90a6\u90fd\u80fd\u63d0\u4f9b\u9748\u6d3b\u7684\u67e5\u8a62\u80fd\u529b\uff0c\u5f9e\u800c\u63d0\u9ad8\u6578\u64da\u7684\u53ef\u7528\u6027\u548c\u5206\u6790\u80fd\u529b\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528DB2\u806f\u90a6\u4f86\u6574\u5408\u60a8\u7684\u6578\u64da\u6e90\u3002\u4e86\u89e3\u66f4\u591a\u95dc\u65bc\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u670d\u52d9\uff0c\u52a9\u60a8\u5728\u6578\u64da\u7ba1\u7406\u4e0a\u66f4\u4e0a\u4e00\u5c64\u6a13\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22DB2\u806f\u90a6\u529f\u80fd\uff0c\u4e86\u89e3\u53ef\u9023\u63a5\u7684\u6578\u64da\u5eab\u985e\u578b\uff0c\u63d0\u5347\u6578\u64da\u6574\u5408\u8207\u67e5\u8a62\u6548\u7387\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-165343","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/165343","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=165343"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/165343\/revisions"}],"predecessor-version":[{"id":165344,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/165343\/revisions\/165344"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=165343"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=165343"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=165343"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}