{"id":1455,"date":"2025-03-04T13:11:06","date_gmt":"2025-03-04T04:11:06","guid":{"rendered":"https:\/\/route-zero.com\/recruit\/?post_type=route&p=1455"},"modified":"2025-08-04T16:01:50","modified_gmt":"2025-08-04T07:01:50","slug":"ses%e3%82%a8%e3%83%b3%e3%82%b8%e3%83%8b%e3%82%a2%e5%bf%85%e8%a6%8b%ef%bc%81sql%e3%82%b9%e3%82%ad%e3%83%ab%e3%81%ae%e5%bf%85%e8%a6%81%e6%80%a7%e3%81%a8%e5%8d%98%e4%be%a1%e7%9b%b8%e5%a0%b4","status":"publish","type":"route","link":"https:\/\/route-zero.com\/recruit\/route\/1455\/","title":{"rendered":"SES\u30a8\u30f3\u30b8\u30cb\u30a2\u306bSQL\u306f\u5fc5\u8981\uff1f\u4e0d\u5b89\u89e3\u6d88\u30ed\u30fc\u30c9\u30de\u30c3\u30d7"},"content":{"rendered":"
\n

\u672a\u7d4c\u9a13\u304b\u3089\u3067\u3082\u9593\u306b\u5408\u3046\uff01SES, SQL\u306e\u77e5\u8b58\u306f\u672c\u5f53\u306b\u5fc5\u8981\uff1f<\/h2>\n

\n SES\u30a8\u30f3\u30b8\u30cb\u30a2\u3068\u3057\u3066\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5148\u3067\u50cd\u304f\u4e0a\u3067\u3001\u300cSQL\u306e\u77e5\u8b58\u306f\u5fc5\u8981\uff1f<\/strong>\u300d\u3068\u3044\u3046\u7591\u554f\u3092\u62b1\u3048\u305f\u307e\u307e\u3067\u306f\u4e0d\u5b89\u3082\u5927\u304d\u3044\u306f\u305a\u3067\u3059\u3002 \u672c\u8a18\u4e8b\u3067\u306f\u3001SES\u6848\u4ef6\u306b\u304a\u3051\u308bSQL\u5229\u7528\u306e\u5b9f\u614b\u304b\u3089\u3001\u30b9\u30ad\u30eb\u30ec\u30d9\u30eb\u5225\u306e\u76f8\u5834\u611f\u3001\u5b66\u7fd2\u30b9\u30c6\u30c3\u30d7\u307e\u3067\u3092\u30ed\u30b8\u30c3\u30af\u91cd\u8996\u3067\u89e3\u8aac\u3057\u307e\u3059\u3002
\n \u8aad\u307f\u7d42\u3048\u308c\u3070\u300c\u81ea\u5206\u306b\u672c\u5f53\u306b\u5fc5\u8981\u306aSQL\u77e5\u8b58\u300d\u3068\u300c\u6b21\u306e\u4e00\u6b69\u300d\u304c\u898b\u3048\u3066\u304d\u307e\u3059\u3002\n <\/p>\n

\n

SES\u73fe\u5834\u3067SQL\u306e\u77e5\u8b58\u306f\u672c\u5f53\u306b\u5fc5\u8981\uff1f\u80cc\u666f\u3068\u5e02\u5834\u52d5\u5411<\/h2>\n

\n \u591a\u304f\u306eSES\u6848\u4ef6\u3067\u3001SQL\u7d4c\u9a13\u3092\u5fdc\u52df\u6761\u4ef6\u306b\u542b\u3080\u30b1\u30fc\u30b9\u304c\u5897\u3048\u3066\u3044\u307e\u3059\u3002\u91d1\u878d\u3084EC\u3001\u5e83\u544a\u696d\u754c\u3067\u306f\u3001\u65e2\u5b58\u30b7\u30b9\u30c6\u30e0\u306e\u30c7\u30fc\u30bf\u6539\u4fee\u3084BI\u30c4\u30fc\u30eb\uff08Tableau\uff0fPower BI\uff0fLooker\uff09\u9023\u643a\u306a\u3069\u3001SQL\u306e\u5fdc\u7528\u7bc4\u56f2\u304c\u62e1\u5927\u4e2d\u3067\u3059\u3002
\n \u7279\u306bDDL\uff08\u30c7\u30fc\u30bf\u5b9a\u7fa9\u8a00\u8a9e\uff09\u30fbDML\uff08\u30c7\u30fc\u30bf\u64cd\u4f5c\u8a00\u8a9e\uff09\u30fbDCL\uff08\u30c7\u30fc\u30bf\u5236\u5fa1\u8a00\u8a9e\uff09\u3068\u3044\u3063\u305f\u5404\u7a2eSQL\u6587\u3092\u542b\u3080\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5236\u5fa1\u3084\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u8a2d\u8a08\u306f\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u5b89\u5b9a\u7a3c\u50cd\u306b\u6b20\u304b\u305b\u307e\u305b\u3093\u3002\n <\/p>\n

\n

\n \u7528\u8a9e\u89e3\u8aac\uff1aDDL\uff0fDML\uff0fDCL<\/strong>
\n \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u64cd\u4f5c\u306e\u4e09\u5927\u30ab\u30c6\u30b4\u30ea\u3002DDL\u306f\u30c6\u30fc\u30d6\u30eb\u5b9a\u7fa9\uff08CREATE, ALTER\u306a\u3069\uff09\u3001DML\u306f\u30c7\u30fc\u30bf\u64cd\u4f5c\uff08SELECT, INSERT\u306a\u3069\uff09\u3001DCL\u306f\u6a29\u9650\u7ba1\u7406\uff08GRANT, REVOKE\u306a\u3069\uff09\u3092\u6307\u3057\u307e\u3059\u3002\n <\/p>\n<\/blockquote>\n

\u6c42\u4eba\u30b5\u30a4\u30c8\u3067\u3082\u300cSQL\u5fc5\u9808\u300d\u3068\u8a18\u8f09\u3055\u308c\u305fSES\u6848\u4ef6\u304c\u591a\u304f\u898b\u3089\u308c\u3001SQL\u30b9\u30ad\u30eb\u306f\u78ba\u5b9f\u306b\u30cb\u30fc\u30ba\u3068\u3057\u3066\u5b9a\u7740\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

\n

SES\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u76f4\u9762\u3059\u308bSQL\u6d3b\u7528\u30b7\u30fc\u30f3<\/h2>\n

\u30c7\u30fc\u30bf\u53d6\u5f97\u30fb\u30ec\u30dd\u30fc\u30c6\u30a3\u30f3\u30b0\u696d\u52d9<\/h3>\n

BI\u30c4\u30fc\u30eb\u7528\u306e\u30ec\u30dd\u30fc\u30c8\u3067\u306f\u3001\u8907\u6570\u30c6\u30fc\u30d6\u30eb\u3092INNER JOIN\u3084LEFT JOIN\u3067\u7d50\u5408\u3057\u3001GROUP BY\uff0fHAVING\u3067\u96c6\u8a08\u3057\u307e\u3059\u3002 \u300c\u30d3\u30e5\u30fc\u8a2d\u8a08\u300d\u3092\u4f75\u7528\u3059\u308c\u3070\u3001\u540c\u3058\u30ed\u30b8\u30c3\u30af\u3092\u518d\u5229\u7528\u3067\u304d\u3001\u4f5c\u696d\u52b9\u7387\u304c\u5927\u5e45\u306b\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p>\n

\n

\n \u7528\u8a9e\u89e3\u8aac\uff1a\u30d3\u30e5\u30fc\u8a2d\u8a08<\/strong>
\n \u8907\u6570\u306e\u30c6\u30fc\u30d6\u30eb\u7d50\u5408\u3084\u96c6\u8a08\u30ed\u30b8\u30c3\u30af\u3092\u4eee\u60f3\u30c6\u30fc\u30d6\u30eb\uff08\u30d3\u30e5\u30fc\uff09\u3068\u3057\u3066\u5b9a\u7fa9\u3002\u30af\u30a8\u30ea\u8a18\u8ff0\u3092\u7c21\u6f54\u5316\u3057\u3001\u4fdd\u5b88\u6027\u3092\u9ad8\u3081\u307e\u3059\u3002\n <\/p>\n<\/blockquote>\n

\u30d0\u30c3\u30c1\u51e6\u7406\u30fb\u30c7\u30fc\u30bf\u9023\u643a<\/h3>\n

\u591c\u9593\u30d0\u30c3\u30c1\u51e6\u7406\u3067\u306f\u3001CSV\u53d6\u308a\u8fbc\u307f\u5f8c\u306bBEGIN\uff0fCOMMIT\uff0fROLLBACK\u3092\u4f7f\u3044\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406\u3057\u3066\u672c\u756aDB\u3078\u53cd\u6620\u3057\u307e\u3059\u3002 \u5b89\u5b9a\u7a3c\u50cd\u306e\u9375\u306f\u3001\u969c\u5bb3\u6642\u306b\u6b63\u3057\u304f\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u3067\u304d\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002<\/p>\n

\n

\n \u7528\u8a9e\u89e3\u8aac\uff1a\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5236\u5fa1<\/strong>
\n \u8907\u6570\u306eSQL\u64cd\u4f5c\u3092\u4e00\u3064\u306e\u51e6\u7406\u5358\u4f4d\u3068\u3057\u3066\u307e\u3068\u3081\u3001\u9014\u4e2d\u3067\u5931\u6557\u3057\u305f\u5834\u5408\u306f\u5168\u4f53\u3092\u53d6\u308a\u6d88\u3059\u4ed5\u7d44\u307f\u3002\u30c7\u30fc\u30bf\u306e\u4e00\u8cab\u6027\u3068\u6574\u5408\u6027\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002\n <\/p>\n<\/blockquote>\n

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

\u30af\u30a8\u30ea\u6539\u5584\u306b\u3088\u3063\u3066\u5fdc\u7b54\u6642\u9593\u3092\u5927\u5e45\u306b\u77ed\u7e2e\u3057\u305f\u4e8b\u4f8b\u3082\u591a\u304f\u3001EXPLAIN PLAN\u3067\u5b9f\u884c\u8a08\u753b\u3092\u78ba\u8a8d\u3057\u3001\u9069\u5207\u306aB-tree\u307e\u305f\u306fHash\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u8a2d\u8a08\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n

\n

\n \u7528\u8a9e\u89e3\u8aac\uff1aEXPLAIN PLAN<\/strong>
\n SQL\u306e\u5b9f\u884c\u8a08\u753b\u3092\u53ef\u8996\u5316\u3057\u3001\u3069\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3084\u7d50\u5408\u65b9\u6cd5\u304c\u7528\u3044\u3089\u308c\u3066\u3044\u308b\u304b\u3092\u5206\u6790\u3059\u308b\u6a5f\u80fd\u3002\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u306e\u7b2c\u4e00\u6b69\u3067\u3059\u3002\n <\/p>\n<\/blockquote>\n

\n

\u30ec\u30d9\u30eb\u5225\u30b9\u30ad\u30eb\u76f8\u5834\u3068SQL\u306e\u95a2\u4fc2\u6027<\/h2>\n

SQL\u30b9\u30ad\u30eb\u304c\u9ad8\u3044\u307b\u3069\u6848\u4ef6\u5358\u4fa1\u306e\u76f8\u5834\u611f\u3082\u4e0a\u5411\u304d\u306b\u306a\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u3092\u76ee\u5b89\u306b\u81ea\u8eab\u306e\u30ec\u30d9\u30eb\u3092\u632f\u308a\u8fd4\u3063\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n\n\n\n\n
\u30ec\u30d9\u30eb<\/th>\n\u7fd2\u5f97\u76ee\u5b89<\/th>\n\u76f8\u5834\u611f<\/th>\n<\/tr>\n<\/thead>\n
\u521d\u7d1a<\/td>\nSELECT\uff0fINSERT\uff0fUPDATE\uff0fDELETE<\/td>\n\u6bd4\u8f03\u7684\u4f4e\u3081<\/td>\n<\/tr>\n
\u4e2d\u7d1a<\/td>\nJOIN\uff0f\u96c6\u7d04\u95a2\u6570\uff0f\u30b5\u30d6\u30af\u30a8\u30ea<\/td>\n\u4e2d\u7a0b\u5ea6<\/td>\n<\/tr>\n
\u4e0a\u7d1a<\/td>\n\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\uff0f\u30b9\u30c8\u30a2\u30c9\u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u8a2d\u8a08<\/td>\n\u9ad8\u3081<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n

SES\u30a8\u30f3\u30b8\u30cb\u30a2\u5411\u3051SQL\u5b66\u7fd2\u30ed\u30fc\u30c9\u30de\u30c3\u30d7<\/h2>\n

\u52b9\u7387\u7684\u306b\u7fd2\u5f97\u3059\u308b\u305f\u3081\u3001\u6bb5\u968e\u7684\u306b\u9032\u3081\u307e\u3057\u3087\u3046\u3002<\/p>\n

\u30d5\u30a7\u30fc\u30ba1\uff1a\u57fa\u790e\u56fa\u3081\uff081\u9031\u9593\uff5e1\u30f6\u6708\uff09<\/h3>\n

\n CRUD\u64cd\u4f5c\u3084\u30c7\u30fc\u30bf\u578b\u3001NULL\u5236\u5fa1\u306a\u3069\u57fa\u672c\u6587\u6cd5\u3092\u5b66\u3073\u307e\u3059\u3002
\n SQLZoo<\/a>\u3084Oracle\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/a>\u3067\u30cf\u30f3\u30ba\u30aa\u30f3\u5b66\u7fd2\u304c\u304a\u3059\u3059\u3081\u3067\u3059\u3002\n <\/p>\n

\u30d5\u30a7\u30fc\u30ba2\uff1a\u5b9f\u8df5\u6f14\u7fd2\uff082\uff5e3\u30f6\u6708\uff09<\/h3>\n

\n JOIN\uff0fGROUP BY\uff0f\u30b5\u30d6\u30af\u30a8\u30ea\u3001EXPLAIN PLAN\u89e3\u6790\u306b\u53d6\u308a\u7d44\u307f\u307e\u3059\u3002
\n LeetCode Database<\/a>\u3067\u8ab2\u984c\u6f14\u7fd2\u3057\u3001\u30ec\u30d3\u30e5\u30fc\u3084\u30da\u30a2\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3067\u5b9f\u8df5\u529b\u3092\u78e8\u304d\u307e\u3057\u3087\u3046\u3002\n <\/p>\n

\u30d5\u30a7\u30fc\u30ba3\uff1a\u5fdc\u7528\uff06\u6700\u9069\u5316\uff08\u7d99\u7d9a\uff09<\/h3>\n

PL\/SQL\u3001\u30c8\u30ea\u30ac\u30fc\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u6700\u9069\u5316\u306a\u3069\u5fdc\u7528\u9818\u57df\u3078\u3002 \u793e\u5185\u5916\u306e\u7814\u4fee\u30b3\u30f3\u30c6\u30f3\u30c4\u3084\u30e1\u30f3\u30bf\u30fc\u9762\u8ac7\u3067\u7fd2\u5f97\u3092\u52a0\u901f\u3067\u304d\u307e\u3059\u3002<\/p>\n

\n

SES\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u62bc\u3055\u3048\u3066\u304a\u304d\u305f\u3044\u5468\u8fba\u6280\u8853<\/h2>\n

SQL\u4ee5\u5916\u306b\u3082\u77e5\u3063\u3066\u304a\u304f\u3068\u73fe\u5834\u3067\u5f37\u307f\u306b\u306a\u308b\u6280\u8853\u3092\u307e\u3068\u3081\u307e\u3057\u305f\u3002<\/p>\n\n\n\n\n\n\n\n\n\n
\u30ab\u30c6\u30b4\u30ea<\/th>\n\u6280\u8853<\/th>\n\u30dd\u30a4\u30f3\u30c8<\/th>\n<\/tr>\n<\/thead>\n
\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406<\/td>\nGit\uff0fGitHub<\/td>\n\u30d7\u30eb\u30ea\u30af\u30a8\u30b9\u30c8\u30d5\u30ed\u30fc\u3084\u30d6\u30e9\u30f3\u30c1\u6226\u7565\u3067\u30c1\u30fc\u30e0\u958b\u767a\u3092\u5186\u6ed1\u306b<\/td>\n<\/tr>\n
OS\u64cd\u4f5c<\/td>\nLinux\u30b3\u30de\u30f3\u30c9<\/td>\n\u30ed\u30b0\u691c\u7d22\uff08grep\uff09\u3001\u6a29\u9650\u8a2d\u5b9a\uff08chmod\uff09\u3001\u30d7\u30ed\u30bb\u30b9\u7ba1\u7406\uff08ps, kill\uff09\u306a\u3069<\/td>\n<\/tr>\n
\u30b9\u30af\u30ea\u30d7\u30c8<\/td>\nShell\u30b9\u30af\u30ea\u30d7\u30c8<\/td>\n\u30d0\u30c3\u30c1\u51e6\u7406\u81ea\u52d5\u5316\u3084\u65e5\u5e38\u696d\u52d9\u306e\u52b9\u7387\u5316\u306b\u6d3b\u7528<\/td>\n<\/tr>\n
\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0<\/td>\nPython<\/td>\n\u30c7\u30fc\u30bf\u524d\u51e6\u7406\u3084ETL\u3001\u7c21\u6613\u81ea\u52d5\u5316\u3067\u67d4\u8edf\u306b\u5bfe\u5fdc<\/td>\n<\/tr>\n
\u81ea\u52d5\u5316<\/td>\nCI\/CD\u30c4\u30fc\u30eb<\/td>\nJenkins\u3084GitHub Actions\u3067\u30d3\u30eb\u30c9\u30fb\u30c6\u30b9\u30c8\u30fb\u30c7\u30d7\u30ed\u30a4\u3092\u81ea\u52d5\u5316<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n

\u307e\u3068\u3081\uff06\u6b21\u306e\u30a2\u30af\u30b7\u30e7\u30f3<\/h2>\n

\n \u300cSQL\u306e\u77e5\u8b58\u306f\u5fc5\u8981\uff1f\u300d\u3092\u60a9\u3080\u3088\u308a\u3001\u307e\u305a\u306f\u5b66\u7fd2\u306e\u4e00\u6b69\u3092\u8e0f\u307f\u51fa\u3057\u307e\u3057\u3087\u3046\uff1a
\n 1. SQLZoo\u3067\u6bce\u65e510\u554f\u30af\u30ea\u30a2
\n 2. LeetCode\u3067\u90315\u554f\u30c1\u30e3\u30ec\u30f3\u30b8
\n 3. \u52c9\u5f37\u4f1a\u306b\u53c2\u52a0\n <\/p>\n

\u3054\u81ea\u8eab\u306e\u30da\u30fc\u30b9\u3067\u53d6\u308a\u7d44\u307f\u3001\u73fe\u5834\u3067\u5b9f\u611f\u3067\u304d\u308b\u30b9\u30ad\u30eb\u3092\u8eab\u306b\u3064\u3051\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n

\n

FAQ<\/h2>\n

\n Q1. SQL\u672a\u7d4c\u9a13\u3067\u3082\u5fdc\u52df\u3067\u304d\u307e\u3059\u304b\uff1f<\/strong>
\n \u77ed\u671f\u9593\u3067\u57fa\u672c\u6587\u6cd5\u3092\u7fd2\u5f97\u3059\u308c\u3070\u300c\u672a\u7d4c\u9a13OK\u300d\u3068\u3059\u308b\u6848\u4ef6\u3082\u591a\u6570\u3042\u308a\u307e\u3059\u3002\n <\/p>\n

\n Q2. Java\u4e2d\u5fc3\u3067\u3082\u72ec\u5b66\u3067\u5341\u5206\u3067\u3059\u304b\uff1f<\/strong>
\n \u5b9f\u8df5\u6f14\u7fd2\u3068\u30ec\u30d3\u30e5\u30fc\u4f53\u5236\u304c\u3042\u308c\u3070\u3001\u72ec\u5b66\uff0b\u30b5\u30dd\u30fc\u30c8\u3067\u30ad\u30e3\u30c3\u30c1\u30a2\u30c3\u30d7\u53ef\u80fd\u3067\u3059\u3002\n <\/p>\n

\n Q3. SQL\u30b9\u30ad\u30eb\u3067\u3069\u3093\u306a\u30ad\u30e3\u30ea\u30a2\u304c\u958b\u3051\u307e\u3059\u304b\uff1f<\/strong>
\n \u30c7\u30fc\u30bf\u30a8\u30f3\u30b8\u30cb\u30a2\u3084BI\u30a8\u30f3\u30b8\u30cb\u30a2\u3001DBA\u306a\u3069\u5c02\u9580\u8077\u3078\u306e\u9053\u304c\u5e83\u304c\u308a\u307e\u3059\u3002\n <\/p>\n<\/div>\n","protected":false},"featured_media":1457,"template":"","_links":{"self":[{"href":"https:\/\/route-zero.com\/recruit\/wp-json\/wp\/v2\/route\/1455"}],"collection":[{"href":"https:\/\/route-zero.com\/recruit\/wp-json\/wp\/v2\/route"}],"about":[{"href":"https:\/\/route-zero.com\/recruit\/wp-json\/wp\/v2\/types\/route"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/route-zero.com\/recruit\/wp-json\/wp\/v2\/media\/1457"}],"wp:attachment":[{"href":"https:\/\/route-zero.com\/recruit\/wp-json\/wp\/v2\/media?parent=1455"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}