{"id":1414,"date":"2026-03-18T00:55:27","date_gmt":"2026-03-17T15:55:27","guid":{"rendered":"https:\/\/librus.co.jp\/it_career\/?p=1414"},"modified":"2026-03-18T00:55:27","modified_gmt":"2026-03-17T15:55:27","slug":"%e3%83%87%e3%83%bc%e3%82%bf%e3%83%99%e3%83%bc%e3%82%b9%e3%82%a8%e3%83%b3%e3%82%b8%e3%83%8b%e3%82%a2%e3%81%a8%e3%81%af%ef%bc%9f%e4%bb%95%e4%ba%8b%e5%86%85%e5%ae%b9%e3%83%bb%e5%bf%85%e8%a6%81%e3%82%b9","status":"publish","type":"post","link":"https:\/\/librus.co.jp\/it_career\/article\/1414","title":{"rendered":"\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a8\u30f3\u30b8\u30cb\u30a2\u3068\u306f\uff1f\u4ed5\u4e8b\u5185\u5bb9\u30fb\u5fc5\u8981\u30b9\u30ad\u30eb\u30fb\u8cc7\u683c\u30fb\u5e74\u53ce\u3092\u5fb9\u5e95\u89e3\u8aac"},"content":{"rendered":"\n

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\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a8\u30f3\u30b8\u30cb\u30a2\u3068\u306f\u2014\u2014\u30c7\u30fc\u30bf\u306e\u8a2d\u8a08\u30fb\u7ba1\u7406\u30fb\u6700\u9069\u5316\u3092\u62c5\u3046\u5c02\u9580\u5bb6<\/h2>\n

\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a8\u30f3\u30b8\u30cb\u30a2<\/b>\uff08DB\u30a8\u30f3\u30b8\u30cb\u30a2\uff09\u3068\u306f\u3001\u4f01\u696d\u306e\u30c7\u30fc\u30bf\u3092\u5b89\u5168\u304b\u3064\u52b9\u7387\u3088\u304f\u7ba1\u7406\u3059\u308b\u305f\u3081\u306b\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u8a2d\u8a08\u30fb\u69cb\u7bc9\u30fb\u904b\u7528\u30fb\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u30fb\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u30fb\u30ea\u30ab\u30d0\u30ea\u3092\u5c02\u9580\u306b\u62c5\u3046\u30a8\u30f3\u30b8\u30cb\u30a2\u3067\u3059\u3002<\/p>\n\n\n
\u4e3b\u8981DB\u7a2e\u5225<\/th>\u4ee3\u8868\u88fd\u54c1<\/th>\u7279\u5fb4<\/th><\/tr><\/thead>\n
\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30ebDB<\/b><\/td>MySQL \/ PostgreSQL \/ Oracle \/ SQL Server<\/td>\u30c6\u30fc\u30d6\u30eb\u5f62\u5f0f\u3002SQL\u64cd\u4f5c<\/td><\/tr>\n
NoSQL\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9<\/b><\/td>MongoDB \/ Redis \/ Cassandra<\/td>\u975e\u69cb\u9020\u5316\u30c7\u30fc\u30bf\u30fb\u9ad8\u901f\u51e6\u7406<\/td><\/tr>\n
\u30af\u30e9\u30a6\u30c9DB<\/b><\/td>Amazon RDS \/ Azure SQL \/ Cloud SQL<\/td>\u30af\u30e9\u30a6\u30c9\u30de\u30cd\u30fc\u30b8\u30c9DB<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n

\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u4ed5\u4e8b\u5185\u5bb9\u2014\u2014\u8a2d\u8a08\u304b\u3089\u904b\u7528\u30fb\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u307e\u3067<\/h2>\n

\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u30fb\u69cb\u7bc9<\/h3>\n

\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u8981\u4ef6\u3092\u3082\u3068\u306bER\u56f3\u3092\u4f5c\u6210\u3057\u3001\u30c6\u30fc\u30d6\u30eb\u8a2d\u8a08\u30fb\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u8a2d\u8a08\u30fb\u6b63\u898f\u5316\u3092\u884c\u3044\u307e\u3059\u3002\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u4fdd\u5b88\u6027\u3092\u4e21\u7acb\u3057\u305f\u8ad6\u7406\u8a2d\u8a08\u30fb\u7269\u7406\u8a2d\u8a08<\/b>\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n

\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0<\/h3>\n

\u30b9\u30ed\u30fc\u30af\u30a8\u30ea\u306e\u5206\u6790\u30fb\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u6700\u9069\u5316\u30fb\u5b9f\u884c\u8a08\u753b\u306e\u6539\u5584\u306a\u3069\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u5fdc\u7b54\u901f\u5ea6\u3092\u6539\u5584\u3059\u308b\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0<\/b>\u306f\u91cd\u8981\u306a\u696d\u52d9\u3067\u3059\u3002<\/p>\n

\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u30fb\u30ea\u30ab\u30d0\u30ea\u8a2d\u8a08<\/h3>\n

\u969c\u5bb3\u767a\u751f\u6642\u306b\u30c7\u30fc\u30bf\u3092\u5fa9\u65e7\u3067\u304d\u308b\u3088\u3046\u3001\u5b9a\u671f\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u306e\u8a2d\u8a08\u30fb\u30c6\u30b9\u30c8\u30fb\u81ea\u52d5\u5316\u3092\u884c\u3044\u307e\u3059\u3002RPO\uff08\u76ee\u6a19\u5fa9\u65e7\u6642\u70b9\uff09\u30fbRTO\uff08\u76ee\u6a19\u5fa9\u65e7\u6642\u9593\uff09\u3092\u8003\u616e\u3057\u305f\u8a2d\u8a08\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n

\u30c7\u30fc\u30bf\u79fb\u884c\u30fb\u7d71\u5408<\/h3>\n

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\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a8\u30f3\u30b8\u30cb\u30a2\u306b\u5fc5\u8981\u306a\u30b9\u30ad\u30eb\u3068\u8cc7\u683c<\/h2>\n\n\n
\u30b9\u30ad\u30eb\u30fb\u8cc7\u683c<\/th>\u6982\u8981<\/th><\/tr><\/thead>\n
SQL<\/b><\/td>\u5fc5\u9808\u3002SELECT\u30fbJOIN\u30fb\u96c6\u8a08\u30fb\u30b5\u30d6\u30af\u30a8\u30ea\u30fb\u30b9\u30c8\u30a2\u30c9\u30d7\u30ed\u30b7\u30fc\u30b8\u30e3<\/td><\/tr>\n
Oracle Database\u6280\u8853\u8005\u8a8d\u5b9a<\/b><\/td>\u4f01\u696d\u5411\u3051DB\u8cc7\u683c\u3068\u3057\u3066\u9ad8\u8a55\u4fa1<\/td><\/tr>\n
\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b9\u30da\u30b7\u30e3\u30ea\u30b9\u30c8\u8a66\u9a13<\/b><\/td>IPA\u56fd\u5bb6\u8cc7\u683c\u3002DB\u8a2d\u8a08\u306e\u8a3c\u660e<\/td><\/tr>\n
NoSQL\u30fb\u30af\u30e9\u30a6\u30c9DB<\/b><\/td>MongoDB\u30fbRedis\u30fbAmazon RDS\u306a\u3069\u306e\u77e5\u8b58<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n

\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u5e74\u53ce\u76f8\u5834<\/h2>\n\n\n
\u7d4c\u9a13\u30ec\u30d9\u30eb<\/th>\u5e74\u53ce\u76ee\u5b89<\/th><\/tr><\/thead>\n
\u30b8\u30e5\u30cb\u30a2<\/td>300\u4e07\u301c430\u4e07\u5186<\/td><\/tr>\n
\u30df\u30c9\u30eb<\/td>500\u4e07\u301c700\u4e07\u5186<\/td><\/tr>\n
\u30b7\u30cb\u30a2\u30fb\u30b9\u30da\u30b7\u30e3\u30ea\u30b9\u30c8<\/td>700\u4e07\u301c1,000\u4e07\u5186\u4ee5\u4e0a<\/td><\/tr>\n
\u30d5\u30ea\u30fc\u30e9\u30f3\u30b9\uff08\u6708\u5358\u4fa1\uff09<\/td>50\u4e07\u301c90\u4e07\u5186<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n

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\u30d3\u30c3\u30b0\u30c7\u30fc\u30bf\u30fbAI\u6d3b\u7528\u304c\u9032\u3080\u73fe\u4ee3\u306b\u304a\u3044\u3066\u3001\u30c7\u30fc\u30bf\u3092\u9069\u5207\u306b\u7ba1\u7406\u30fb\u63d0\u4f9b\u3067\u304d\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u4fa1\u5024\u306f\u4eca\u5f8c\u3055\u3089\u306b\u9ad8\u307e\u308a\u307e\u3059<\/b>\u3002SQL\u306e\u7fd2\u5f97\u304b\u3089\u30af\u30e9\u30a6\u30c9DB\u30fbNoSQL\u3078\u3068\u30b9\u30ad\u30eb\u3092\u5e83\u3052\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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