{"id":1713,"date":"2025-07-05T13:40:17","date_gmt":"2025-07-05T04:40:17","guid":{"rendered":"https:\/\/route-zero.com\/recruit\/?post_type=route&#038;p=1713"},"modified":"2025-11-05T13:40:28","modified_gmt":"2025-11-05T04:40:28","slug":"sql%e9%87%8d%e8%a4%87%e9%99%a4%e5%a4%96%e3%81%ae%e3%83%99%e3%82%b9%e3%83%88%e3%83%97%e3%83%a9%e3%82%af%e3%83%86%e3%82%a3%e3%82%b9%e5%be%b9%e5%ba%95%e6%af%94%e8%bc%83%ef%bd%9cdistinct%e3%83%bbgroup-by","status":"publish","type":"route","link":"https:\/\/route-zero.com\/recruit\/route\/1713\/","title":{"rendered":"SQL\u91cd\u8907\u9664\u5916\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u5fb9\u5e95\u6bd4\u8f03\uff5cDISTINCT\u30fbGROUP BY\u30fbROW_NUMBER\u306e\u9055\u3044\u306f\uff1f"},"content":{"rendered":"<div>\n<h2>\u306f\u3058\u3081\u306b\uff5c\u3053\u306e\u8a18\u4e8b\u3067\u5f97\u3089\u308c\u308b\u4fa1\u5024<\/h2>\n<p>\n    SQL\u3067\u91cd\u8907\u30c7\u30fc\u30bf\u3092\u9664\u5916\u3057\u305f\u3044\u306e\u306b\u3001DISTINCT\u3084GROUP BY\u3060\u3051\u3067\u306f\u601d\u3063\u305f\u901a\u308a\u306b\u52d5\u304b\u306a\u3044\u2015\u2015\u305d\u3093\u306a\u60a9\u307f\u3092\u6301\u3064\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u5c11\u306a\u304f\u3042\u308a\u307e\u305b\u3093\u3002<br \/>\u65e5\u3005\u306e\u958b\u767a\u73fe\u5834\u3067\u300c\u306a\u305c\u91cd\u8907\u304c\u6d88\u3048\u306a\u3044\uff1f\u300d\u300c\u3069\u306e\u65b9\u6cd5\u304c\u6700\u9069\uff1f\u300d\u3068\u8ff7\u3046\u3053\u3068\u3082\u591a\u3044\u306f\u305a\u3067\u3059\u3002<br \/>\u691c\u7d22\u3057\u3066\u3082DISTINCT\u3084GROUP BY\u306e\u9055\u3044\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u5dee\u3001\u30b5\u30d6\u30af\u30a8\u30ea\u3084ROW_NUMBER\u306e\u4f7f\u3044\u5206\u3051\u3001Spring Boot\u3084JPA\u9023\u643a\u6642\u306e\u843d\u3068\u3057\u7a74\u306a\u3069\u3001\u65ad\u7247\u7684\u306a\u60c5\u5831\u3070\u304b\u308a\u3067\u5224\u65ad\u306b\u8ff7\u3046\u3053\u3068\u3082\u3002<br \/>\u672c\u8a18\u4e8b\u3067\u306f\u3001SQL\u91cd\u8907\u9664\u5916\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u3001\u516c\u5f0f\u60c5\u5831\u3084FAQ\u3001\u6bd4\u8f03\u8868\u3001\u30b5\u30d6\u30af\u30a8\u30ea\u30fbROW_NUMBER\u306e\u6d3b\u7528\u307e\u3067\u4f53\u7cfb\u7684\u306b\u89e3\u8aac\u3002<br \/>\u73fe\u5834\u3067\u5f79\u7acb\u3064\u5b9f\u88c5\u4f8b\u3068\u691c\u8a3c\u30c7\u30fc\u30bf\u3092\u4ea4\u3048\u3001\u3042\u306a\u305f\u306e\u300c\u306a\u305c\uff1f\u300d\u306b\u7b54\u3048\u307e\u3059\u3002\n  <\/p>\n<hr \/>\n<h2>SQL\u91cd\u8907\u9664\u5916\u306e\u57fa\u672c<\/h2>\n<h3>DISTINCT\u30fbGROUP BY\u30fbROW_NUMBER\u306e\u5b9a\u7fa9\u3068\u9055\u3044<\/h3>\n<p>SQL\u3067\u91cd\u8907\u9664\u5916\u3092\u884c\u3046\u4ee3\u8868\u7684\u306a\u65b9\u6cd5\u306f\u300cDISTINCT\u300d\u300cGROUP BY\u300d\u300cROW_NUMBER\u300d\u306e3\u3064\u3067\u3059\u3002<\/p>\n<ul>\n<li><strong>DISTINCT<\/strong>\uff1aSELECT\u6587\u3067\u91cd\u8907\u884c\u3092\u9664\u5916\u3059\u308b\u6700\u3082\u30b7\u30f3\u30d7\u30eb\u306a\u65b9\u6cd5\u3002\u5168\u30ab\u30e9\u30e0\u304c\u4e00\u81f4\u3059\u308b\u5834\u5408\u306e\u307f\u91cd\u8907\u9664\u5916\u3055\u308c\u307e\u3059\u3002<\/li>\n<li><strong>GROUP BY<\/strong>\uff1a\u6307\u5b9a\u3057\u305f\u30ab\u30e9\u30e0\u3054\u3068\u306b\u30b0\u30eb\u30fc\u30d7\u5316\u3057\u3001\u96c6\u8a08\u3084\u91cd\u8907\u9664\u5916\u304c\u53ef\u80fd\u3002\u96c6\u8a08\u95a2\u6570\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u67d4\u8edf\u306a\u62bd\u51fa\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><strong>ROW_NUMBER<\/strong>\uff1a\u30a6\u30a3\u30f3\u30c9\u30a6\u95a2\u6570\u3092\u4f7f\u3044\u3001\u91cd\u8907\u884c\u306b\u9023\u756a\u3092\u632f\u308a\u3001\u6700\u521d\u306e1\u4ef6\u3060\u3051\u62bd\u51fa\u3059\u308b\u9ad8\u5ea6\u306a\u65b9\u6cd5\u3002\u8907\u96d1\u306a\u6761\u4ef6\u3084\u90e8\u5206\u4e00\u81f4\u306b\u3082\u5bfe\u5fdc\u3002<\/li>\n<\/ul>\n<p>\uff08SQL\u306e\u57fa\u672c\u69cb\u6587\u3084\u5b9f\u884c\u9806\u306b\u3064\u3044\u3066\u306f\u300e<a href=\"https:\/\/route-zero.com\/recruit\/route\/1233\/\">\u521d\u5fc3\u8005\u5411\u3051SQL\u8b1b\u5ea7\uff5cSELECT\u6587\u306e\u66f8\u304d\u65b9\u3068\u5b9f\u884c\u9806\u3092\u5b8c\u5168\u89e3\u8aac<\/a>\u300f\u3092\u3054\u53c2\u7167\u304f\u3060\u3055\u3044\uff09<\/p>\n<h3>\u30b5\u30d6\u30af\u30a8\u30ea\u306b\u3088\u308b\u91cd\u8907\u9664\u5916<\/h3>\n<p>\u30b5\u30d6\u30af\u30a8\u30ea\u306f\u3001\u91cd\u8907\u9664\u5916\u306e\u6761\u4ef6\u3092\u67d4\u8edf\u306b\u6307\u5b9a\u3057\u305f\u3044\u5834\u5408\u306b\u6709\u52b9\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001\u6700\u65b0\u306e\u30c7\u30fc\u30bf\u306e\u307f\u62bd\u51fa\u3057\u305f\u3044\u5834\u5408\u3084\u3001\u8907\u6570\u6761\u4ef6\u3067\u91cd\u8907\u5224\u5b9a\u3057\u305f\u3044\u5834\u5408\u306b\u6d3b\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre><code>SELECT *\r\nFROM (\r\n  SELECT *, ROW_NUMBER() OVER (PARTITION BY email ORDER BY created_at DESC) AS rn\r\n  FROM users\r\n) t\r\nWHERE t.rn = 1;\r\n<\/code><\/pre>\n<p>\u3053\u306e\u3088\u3046\u306b\u3001\u30b5\u30d6\u30af\u30a8\u30ea\u3068ROW_NUMBER\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u8907\u96d1\u306a\u91cd\u8907\u9664\u5916\u3082\u5b9f\u73fe\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>\uff08\u30b5\u30d6\u30af\u30a8\u30ea\u3084ROW_NUMBER\u306e\u9ad8\u901f\u5316\u30fb\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306b\u3064\u3044\u3066\u306f\u300e<a href=\"https:\/\/route-zero.com\/recruit\/route\/1594\/\">SQL\u30b5\u30d6\u30af\u30a8\u30ea\u306f\u9045\u3044\uff1fJOIN\u30fbCTE\u3068\u306e\u9055\u3044\u3068\u9ad8\u901f\u5316\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a>\u300f\u3082\u53c2\u8003\u306b\u306a\u308a\u307e\u3059\uff09<\/p>\n<hr \/>\n<h2>\u5b9f\u88c5\u4f8b\u3068\u8a2d\u8a08\u30d1\u30bf\u30fc\u30f3<\/h2>\n<h3>\u4ee3\u8868\u7684\u306aSQL\u30b5\u30f3\u30d7\u30eb<\/h3>\n<div>\n<div>\n      <strong>DISTINCT\u306e\u4f8b<\/strong><\/p>\n<pre><code>SELECT DISTINCT email FROM users;<\/code><\/pre>\n<\/p><\/div>\n<div>\n      <strong>GROUP BY\u306e\u4f8b<\/strong><\/p>\n<pre><code>SELECT email, COUNT(*) FROM users GROUP BY email;<\/code><\/pre>\n<\/p><\/div>\n<div>\n      <strong>ROW_NUMBER\u306e\u4f8b\uff08\u30b5\u30d6\u30af\u30a8\u30ea\u5229\u7528\uff09<\/strong><\/p>\n<pre><code>SELECT * FROM (\r\n  SELECT *, ROW_NUMBER() OVER (PARTITION BY email ORDER BY id) AS rn\r\n  FROM users\r\n) t\r\nWHERE t.rn = 1;<\/code><\/pre>\n<\/p><\/div>\n<\/p><\/div>\n<h3>Spring Boot\/JPA\u9023\u643a\u306e\u6ce8\u610f\u70b9<\/h3>\n<p>\n    Spring Boot\u3084JPA\u3092\u4f7f\u3046\u5834\u5408\u3001SQL\u306e\u91cd\u8907\u9664\u5916\u30ed\u30b8\u30c3\u30af\u304cORM\u306e\u4ed5\u69d8\u3084JPQL\u306e\u5236\u7d04\u306b\u5f71\u97ff\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n    \u30fbJPQL\u3067\u306fDISTINCT\u306f\u4f7f\u3048\u308b\u304c\u3001GROUP BY\u3084\u30a6\u30a3\u30f3\u30c9\u30a6\u95a2\u6570\u306f\u5236\u9650\u304c\u3042\u308b\u5834\u5408\u304c\u591a\u3044\u3002<br \/>\n    \u30fbNativeQuery\u3092\u4f7f\u3046\u3053\u3068\u3067ROW_NUMBER\u3084\u30b5\u30d6\u30af\u30a8\u30ea\u3082\u5229\u7528\u53ef\u80fd\u3067\u3059\u304c\u3001DB\u4f9d\u5b58\u3084\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002\n  <\/p>\n<p>\uff08Spring Boot\u00d7JPA\u306e\u5b9f\u88c5\u3084nativeQuery\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u306f\u300e<a href=\"https:\/\/route-zero.com\/recruit\/route\/1670\/\">Spring Boot Repository\u5fb9\u5e95\u89e3\u8aac\uff5cJPA\u30fbnativeQuery\u306e\u4f7f\u3044\u65b9\u3068\u5931\u6557\u4f8b<\/a>\u300f\u3092\u3054\u53c2\u7167\u304f\u3060\u3055\u3044\uff09<\/p>\n<hr \/>\n<h2>\u5931\u6557\u4f8b\u30fb\u6ce8\u610f\u70b9\u30fbFAQ<\/h2>\n<h3>\u3088\u304f\u3042\u308b\u5931\u6557\u4f8b\u3068\u539f\u56e0<\/h3>\n<ul>\n<li><strong>DISTINCT\u3067\u610f\u56f3\u901a\u308a\u306b\u91cd\u8907\u304c\u6d88\u3048\u306a\u3044<\/strong><br \/>SELECT\u53e5\u306b\u8907\u6570\u30ab\u30e9\u30e0\u3092\u6307\u5b9a\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u5168\u30ab\u30e9\u30e0\u304c\u4e00\u81f4\u3057\u306a\u3044\u3068\u91cd\u8907\u9664\u5916\u3055\u308c\u306a\u3044\u3002<\/li>\n<li><strong>GROUP BY\u3067\u96c6\u8a08\u7d50\u679c\u304c\u671f\u5f85\u3068\u7570\u306a\u308b<\/strong><br \/>GROUP BY\u306e\u5bfe\u8c61\u30ab\u30e9\u30e0\u304c\u9069\u5207\u3067\u306a\u3044\u3068\u3001\u610f\u56f3\u3057\u306a\u3044\u30b0\u30eb\u30fc\u30d7\u5316\u304c\u767a\u751f\u3002<\/li>\n<li><strong>ROW_NUMBER\u306e\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u6307\u5b9a\u30df\u30b9<\/strong><br \/>PARTITION BY\u306e\u30ab\u30e9\u30e0\u9078\u5b9a\u3092\u8aa4\u308b\u3068\u3001\u91cd\u8907\u9664\u5916\u3067\u304d\u306a\u3044\u3002<\/li>\n<\/ul>\n<h3>FAQ\uff08\u91cd\u8907\u9664\u5916\u306e\u7591\u554f\u89e3\u6d88\uff09<\/h3>\n<ul>\n<li><strong>DISTINCT\u3068GROUP BY\u306e\u9055\u3044\u306f\uff1f<\/strong><br \/>DISTINCT\u306f\u5168\u30ab\u30e9\u30e0\u4e00\u81f4\u3067\u91cd\u8907\u9664\u5916\u3001GROUP BY\u306f\u6307\u5b9a\u30ab\u30e9\u30e0\u3054\u3068\u306b\u30b0\u30eb\u30fc\u30d7\u5316\u3002<\/li>\n<li><strong>ROW_NUMBER\u3067\u91cd\u8907\u9664\u5916\u3059\u308b\u65b9\u6cd5\u306f\uff1f<\/strong><br \/>\u30b5\u30d6\u30af\u30a8\u30ea\u3068\u7d44\u307f\u5408\u308f\u305b\u3001rn=1\u3067\u6700\u65b0\u30fb\u6700\u521d\u306e1\u4ef6\u306e\u307f\u62bd\u51fa\u3002<\/li>\n<li><strong>\u30b5\u30d6\u30af\u30a8\u30ea\u3092\u4f7f\u3046\u3079\u304d\u30b1\u30fc\u30b9\u306f\uff1f<\/strong><br \/>\u8907\u6570\u6761\u4ef6\u3084\u6700\u65b0\u30c7\u30fc\u30bf\u62bd\u51fa\u306a\u3069\u3001\u67d4\u8edf\u306a\u91cd\u8907\u9664\u5916\u304c\u5fc5\u8981\u306a\u5834\u5408\u3002<\/li>\n<li><strong>Spring Boot\/JPA\u9023\u643a\u6642\u306e\u6ce8\u610f\u70b9\u306f\uff1f<\/strong><br \/>JPQL\u306e\u5236\u7d04\u3084NativeQuery\u306e\u5229\u7528\u3001DB\u4f9d\u5b58\u306b\u6ce8\u610f\u3002<\/li>\n<li><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u9ad8\u3044\u91cd\u8907\u9664\u5916\u65b9\u6cd5\u306f\uff1f<\/strong><br \/>\u30c7\u30fc\u30bf\u91cf\u3084DB\u30a8\u30f3\u30b8\u30f3\u306b\u3088\u308b\u304c\u3001GROUP BY\u3084ROW_NUMBER\u304c\u9ad8\u901f\u306a\u5834\u5408\u304c\u591a\u3044\u3002<\/li>\n<li><strong>\u3088\u304f\u3042\u308b\u5931\u6557\u4f8b\u3068\u305d\u306e\u5bfe\u7b56\u306f\uff1f<\/strong><br \/>SELECT\u53e5\u3084GROUP BY\u306e\u30ab\u30e9\u30e0\u9078\u5b9a\u3001\u30a6\u30a3\u30f3\u30c9\u30a6\u95a2\u6570\u306e\u4f7f\u3044\u65b9\u3092\u898b\u76f4\u3059\u3002<\/li>\n<\/ul>\n<hr \/>\n<h2>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6bd4\u8f03\u3068\u9078\u3073\u65b9<\/h2>\n<h3>\u5b9f\u88c5\u3054\u3068\u306e\u691c\u8a3c\u30c7\u30fc\u30bf<\/h3>\n<table border=\"1\" cellpadding=\"4\" cellspacing=\"0\">\n<thead>\n<tr>\n<th>\u65b9\u6cd5<\/th>\n<th>\u5b9f\u88c5\u4f8b<\/th>\n<th>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9<\/th>\n<th>\u67d4\u8edf\u6027<\/th>\n<th>\u516c\u5f0f\u5bfe\u5fdc<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>DISTINCT<\/td>\n<td>SELECT DISTINCT email FROM users<\/td>\n<td>\u25ce\uff08\u5c0f\u898f\u6a21\uff09<\/td>\n<td>\u25b3<\/td>\n<td>\u3007<\/td>\n<\/tr>\n<tr>\n<td>GROUP BY<\/td>\n<td>SELECT email, COUNT(*) FROM users GROUP BY email<\/td>\n<td>\u25ce\uff08\u96c6\u8a08\u5411\u304d\uff09<\/td>\n<td>\u25b3<\/td>\n<td>\u3007<\/td>\n<\/tr>\n<tr>\n<td>ROW_NUMBER\uff0b\u30b5\u30d6\u30af\u30a8\u30ea<\/td>\n<td>\u30b5\u30d6\u30af\u30a8\u30ea\uff0b\u30a6\u30a3\u30f3\u30c9\u30a6\u95a2\u6570<\/td>\n<td>\u25cb\uff08\u5927\u898f\u6a21\u30fb\u8907\u96d1\u6761\u4ef6\uff09<\/td>\n<td>\u25ce<\/td>\n<td>\u25b3\uff08NativeQuery\u63a8\u5968\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\n    \u5c0f\u898f\u6a21\u30c7\u30fc\u30bf\u3084\u5358\u7d14\u306a\u91cd\u8907\u9664\u5916\u306fDISTINCT\u3084GROUP BY\u304c\u9ad8\u901f\u3002<br \/>\n    \u8907\u96d1\u306a\u6761\u4ef6\u3084\u6700\u65b0\u30c7\u30fc\u30bf\u62bd\u51fa\u306fROW_NUMBER\uff0b\u30b5\u30d6\u30af\u30a8\u30ea\u304c\u6709\u52b9\u3002<br \/>\n    Spring Boot\/JPA\u3067\u306fNativeQuery\u3067\u67d4\u8edf\u6027\u3092\u62c5\u4fdd\u3002\n  <\/p>\n<h3>\u6bd4\u8f03\u8868\u3068\u610f\u601d\u6c7a\u5b9a\u30dd\u30a4\u30f3\u30c8<\/h3>\n<table border=\"1\" cellpadding=\"4\" cellspacing=\"0\">\n<thead>\n<tr>\n<th>\u9078\u3073\u65b9\u306e\u8ef8<\/th>\n<th>DISTINCT<\/th>\n<th>GROUP BY<\/th>\n<th>ROW_NUMBER\uff0b\u30b5\u30d6\u30af\u30a8\u30ea<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5b9f\u88c5\u306e\u5bb9\u6613\u3055<\/td>\n<td>\u25ce<\/td>\n<td>\u25cb<\/td>\n<td>\u25b3<\/td>\n<\/tr>\n<tr>\n<td>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9<\/td>\n<td>\u25ce\uff08\u5c0f\u898f\u6a21\uff09<\/td>\n<td>\u25ce\uff08\u96c6\u8a08\uff09<\/td>\n<td>\u25cb\uff08\u8907\u96d1\u6761\u4ef6\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u67d4\u8edf\u6027<\/td>\n<td>\u25b3<\/td>\n<td>\u25b3<\/td>\n<td>\u25ce<\/td>\n<\/tr>\n<tr>\n<td>\u516c\u5f0f\u30b5\u30dd\u30fc\u30c8<\/td>\n<td>\u3007<\/td>\n<td>\u3007<\/td>\n<td>\u25b3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u307e\u305a\u306fDISTINCT\u3084GROUP BY\u3067\u8a66\u3057\u3001\u8981\u4ef6\u304c\u8907\u96d1\u306a\u3089ROW_NUMBER\uff0b\u30b5\u30d6\u30af\u30a8\u30ea\u3092\u691c\u8a0e\u3059\u308b\u306e\u304c\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3067\u3059\u3002<\/p>\n<hr \/>\n<h2>\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u307e\u3068\u3081<\/h2>\n<p>SQL\u3067\u91cd\u8907\u9664\u5916\u3092\u884c\u3046\u969b\u306f\u3001\u8981\u4ef6\u3084\u30c7\u30fc\u30bf\u91cf\u3001\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e\u5236\u7d04\u3092\u8e0f\u307e\u3048\u3066\u9078\u629e\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<ul>\n<li>\u5358\u7d14\u306a\u91cd\u8907\u9664\u5916\u306a\u3089DISTINCT\u3084GROUP BY<\/li>\n<li>\u8907\u96d1\u306a\u6761\u4ef6\u3084\u6700\u65b0\u30c7\u30fc\u30bf\u62bd\u51fa\u306a\u3089ROW_NUMBER\uff0b\u30b5\u30d6\u30af\u30a8\u30ea<\/li>\n<li>Spring Boot\/JPA\u9023\u643a\u6642\u306fNativeQuery\u3084\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u6d3b\u7528<\/li>\n<\/ul>\n<p>\u5931\u6557\u4f8b\u3084\u6ce8\u610f\u70b9\u3092\u4e8b\u524d\u306b\u628a\u63e1\u3057\u3001\u516c\u5f0f\u60c5\u5831\u3084FAQ\u3067\u7591\u554f\u3092\u89e3\u6d88\u3059\u308b\u3053\u3068\u3067\u3001\u73fe\u5834\u3067\u306e\u30a8\u30e9\u30fc\u3084\u8ff7\u3044\u3092\u6e1b\u3089\u305b\u307e\u3059\u3002\u6bd4\u8f03\u8868\u3084\u691c\u8a3c\u30c7\u30fc\u30bf\u3092\u53c2\u8003\u306b\u3001\u6700\u9069\u306a\u8a2d\u8a08\u30d1\u30bf\u30fc\u30f3\u3092\u9078\u3073\u307e\u3057\u3087\u3046\u3002<\/p>\n<hr \/>\n<h2>\u307e\u3068\u3081\uff5cSQL\u91cd\u8907\u9664\u5916\u306e\u8a2d\u8a08\u5224\u65ad\u3068\u6b21\u30a2\u30af\u30b7\u30e7\u30f3<\/h2>\n<p>\n    SQL\u91cd\u8907\u9664\u5916\u306f\u3001DISTINCT\u30fbGROUP BY\u30fbROW_NUMBER\uff0b\u30b5\u30d6\u30af\u30a8\u30ea\u306e\u4f7f\u3044\u5206\u3051\u304c\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u3002<br \/>\n    \u5b9f\u88c5\u4f8b\u30fb\u5931\u6557\u4f8b\u30fb\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6bd4\u8f03\u30fbFAQ\u30fb\u516c\u5f0f\u60c5\u5831\u3092\u4f53\u7cfb\u7684\u306b\u62bc\u3055\u3048\u308b\u3053\u3068\u3067\u3001\u73fe\u5834\u3067\u306e\u8ff7\u3044\u3092\u6e1b\u3089\u3057\u3001\u6700\u9069\u306a\u8a2d\u8a08\u5224\u65ad\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002Spring Boot\/JPA\u9023\u643a\u3084\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u306b\u3082\u5bfe\u5fdc\u3067\u304d\u308b\u3088\u3046\u3001\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3084\u73fe\u5834\u30ce\u30a6\u30cf\u30a6\u3082\u7a4d\u6975\u7684\u306b\u6d3b\u7528\u3057\u307e\u3057\u3087\u3046\u3002\n  <\/p>\n<hr \/>\n<\/div>\n","protected":false},"featured_media":1714,"template":"","_links":{"self":[{"href":"https:\/\/route-zero.com\/recruit\/wp-json\/wp\/v2\/route\/1713"}],"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\/1714"}],"wp:attachment":[{"href":"https:\/\/route-zero.com\/recruit\/wp-json\/wp\/v2\/media?parent=1713"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}