{"id":195,"date":"2014-07-26T18:59:05","date_gmt":"2014-07-26T09:59:05","guid":{"rendered":"http:\/\/www.dbsheetclient.jp\/blog\/?p=195"},"modified":"2018-06-27T16:48:08","modified_gmt":"2018-06-27T07:48:08","slug":"%e5%a4%96%e9%83%a8%e7%b5%90%e5%90%88%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6","status":"publish","type":"post","link":"https:\/\/www.dbsheetclient.jp\/blog\/?p=195","title":{"rendered":"\u5916\u90e8\u7d50\u5408\u306b\u3064\u3044\u3066"},"content":{"rendered":"

IT\u30b3\u30fc\u30c7\u30a3\u30cd\u30fc\u30bf\u306e\u30b7\u30e5\u30a6\u3067\u3059\u3002<\/p>\n

\"\u57fc\u7389\u53e4\u58b3__\"<\/a><\/p>\n

\u6620\u753b\u300c\u306e\u307c\u3046\u306e\u57ce\u300d\u3067\u6709\u540d\u306a\u5fcd\u57ce\u306e\u3042\u308b<\/span>\u57fc\u7389\u770c\u884c\u7530\u5e02\u306b\u3042\u308a\u307e\u3059\u3001\u3055\u304d\u305f\u307e\u53e4\u58b3\u306b\u884c\u3063\u3066\u304d\u307e\u3057\u305f\u3002\u524d\u65b9\u5f8c\u5186\u58b38\u57fa\u3068\u5186\u58b31\u57fa\u306e5\uff5e7\u4e16\u7d00\u3054\u308d\u306e\u5927\u578b\u53e4\u58b3\u304c\u6b8b\u308b\u3001\u5168\u56fd\u6709\u6570\u306e\u5927\u578b\u53e4\u58b3\u7fa4\u3067\u3059\u3002\u5199\u771f\u306f\u3001\u76f4\u5f84105m\u3001\u9ad8\u3055\u7d0419m\u306e\u65e5\u672c\u6700\u5927\u306e\u5186\u58b3\u3067\u3042\u308b\u4e38\u5893\u5c71\u53e4\u58b3\u306e\u9802\u4e0a\u304b\u3089\u898b\u305f\u7a32\u8377\u5c71\u53e4\u58b3\u3067\u3059\u3002<\/p>\n

\u3068\u3053\u308d\u3067\u3001\u3053\u3053\u306e\u3068\u3053\u308d\u3001\u5927\u624b\u901a\u4fe1\u6559\u80b2\u306e\u4f1a\u793e\u306e\u500b\u4eba\u60c5\u5831\u6f0f\u3048\u3044\u4e8b\u4ef6\u3001\u30de\u30ec\u30fc\u30b7\u30a2\u822a\u7a7a\u6a5f\u306e\u6483\u589c\u4e8b\u4ef6\u3001\u4e2d\u56fd\u306e\u98df\u54c1\u4f1a\u793e\u306e\u4f7f\u7528\u671f\u9650\u5207\u308c\u98df\u8089\u4f7f\u7528\u554f\u984c\u3001\u30a4\u30b9\u30e9\u30a8\u30eb\u3068\u30d1\u30ec\u30b9\u30c1\u30ca\u306e\u7d1b\u4e89\u306a\u3069\u3001\u69d8\u3005\u306a\u4e8b\u4ef6\u3084\u554f\u984c\u304c\u4e16\u754c\u4e2d\u3067\u8d77\u304d\u3066\u3044\u308b\u3053\u3068\u3092\u611f\u3058\u307e\u3059\u3002<\/p>\n

\u500b\u4eba\u60c5\u5831\u6f0f\u6d29\u306e\u4ef6\u3067\u306f\u3001\u79c1\u3082\u4ee5\u524d\u3001\u5354\u529b\u4f1a\u793e\u306e\uff33\uff25\u3068\u3057\u3066\u3001\u3042\u308b\u5927\u624b\u4f1a\u793e\u306e\u500b\u4eba\u60c5\u5831\u3092\u6271\u3046\u7acb\u5834\u306b\u3044\u305f\u3053\u3068\u3082\u3042\u308a\u307e\u3057\u305f\u304c\u3001\u305d\u3053\u3067\u306f\u5b9a\u671f\u7684\u306b\u5354\u529b\u4f1a\u793e\u306e\u793e\u54e1\u306b\u3082\u500b\u4eba\u60c5\u5831\u306b\u95a2\u3059\u308b\u6559\u80b2\u3084\uff37\uff25\uff22\u3067\u306e\u30c6\u30b9\u30c8\u306a\u3069\u3092\u5b9f\u65bd\u3057\u3066\u3001\u5371\u6a5f\u610f\u8b58\u3092\u9ad8\u3081\u308b\u52aa\u529b\u3092\u3057\u3066\u3044\u305f\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3057\u3001\u4f55\u304b\u8d77\u304d\u305f\u3068\u304d\u306b\u771f\u3063\u5148\u306b\u7591\u308f\u308c\u308b\u306e\u304c\u5354\u529b\u4f1a\u793e\u306e\uff33\uff25\u3068\u3044\u3046\u3053\u3068\u3082\u611f\u3058\u3066\u3044\u305f\u306e\u3067\u3001\u3068\u3066\u3082\u6ce8\u610f\u3057\u3066\u4f5c\u696d\u3092\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n

2003\u5e74\u306b\u6210\u7acb\u3057\u30012005\u5e74\u304b\u3089\u65bd\u5de5\u3055\u308c\u305f\u500b\u4eba\u60c5\u5831\u4fdd\u8b77\u6cd5\u304c\u3001\u30d3\u30c3\u30b0\u30c7\u30fc\u30bf\u306e\u5229\u6d3b\u7528\u306b\u95a2\u9023\u3057\u3066\u6765\u5e74\u306b\u306f\u6539\u6b63\u3055\u308c\u308b\u65b9\u5411\u3067\u3059\u304c\u3001\u4eca\u56de\u306e\u4ef6\u3082\u8003\u616e\u3057\u305f\u304b\u305f\u3061\u3067\u306e\u5bfe\u5fdc\u304c\u5fc5\u8981\u3068\u601d\u308f\u308c\u307e\u3059\u306d\u3002<\/p>\n

\u3046\u3061\u306e\u5b50\u4f9b\u3082\u307e\u3055\u306b\u4eca\u56de\u554f\u984c\u3068\u306a\u3063\u305f\u901a\u4fe1\u6559\u80b2\u3092\u53d7\u3051\u3066\u3044\u3066\u3001\u540d\u7c3f\u3092\u8cb7\u3063\u305f\u3068\u3044\u308f\u308c\u308b\u4f01\u696d\u304b\u3089\u6025\u306b\uff24\uff2d\u304c\u5c4a\u3044\u305f\u306e\u3067\u3001\u4f55\u3067\u6025\u306b\uff1f\u3068\u4e0d\u601d\u8b70\u306b\u601d\u3063\u305f\u306e\u3092\u899a\u3048\u3066\u3044\u307e\u3059\u3002
\n\u3057\u304b\u3057\u3001\u6210\u4eba\u5f0f\u304c\u8fd1\u3044\u5b50\u4f9b\u306e\u632f\u8896\u306e\u5ba3\u4f1d\u3084\u3089\u3001\u9ad8\u6821\u5352\u696d\u304c\u8fd1\u3044\u5b50\u4f9b\u3078\u306e\u5404\u7a2e\u5c02\u9580\u5b66\u6821\u304b\u3089\u306e\uff24\uff2d\u3001\u305d\u306e\u4ed6\u587e\u3084\u901a\u4fe1\u6559\u80b2\u306e\u5ba3\u4f1d\u3001\u672c\u5f53\u306b\u305f\u304f\u3055\u3093\u306e\uff24\uff2d\u304c\u65e5\u3005\u9001\u3089\u308c\u3066\u304d\u307e\u3059\u306d\u3002\u3069\u3053\u306e\u4f1a\u793e\u3082\u9811\u5f35\u3063\u3066\u3044\u308b\u306e\u306f\u308f\u304b\u308b\u306e\u3067\u3059\u304c\u3002
\n\u3068\u304d\u306b\u3001\uff24\uff2d\u3092\u5305\u3093\u3067\u3044\u308b\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u30b4\u30df\u306e\u5206\u5225\u306a\u3069\u3001\u624b\u9593\u304c\u304b\u304b\u308b\u306a\u3068\u611f\u3058\u3066\u3057\u307e\u3046\u79c1\u3067\u3057\u305f\u3002<\/p>\n

\uff1c\u672c\u65e5\u306e\u984c\u6750\uff1e<\/strong>
\n\u5916\u90e8\u7d50\u5408\u306b\u3064\u3044\u3066<\/strong><\/p>\n

SELECT\u6587\u3067\u3001\u8907\u6570\u306e\u30c6\u30fc\u30d6\u30eb\u3092\u7d50\u5408\u3057\u3066\u7d50\u679c\u3092\u51fa\u3059\u5834\u5408\u306b\u3001\u3042\u308b\u6761\u4ef6\u3067\u3001\u4e21\u65b9\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u4e00\u81f4\u3059\u308b\u5024\u3092\u6301\u3064\u30ec\u30b3\u30fc\u30c9\u3060\u3051\u3067\u306a\u304f\u3001\u4e00\u65b9\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u3057\u304b\u306a\u3044\u30ec\u30b3\u30fc\u30c9\u3082\u4e00\u7dd2\u306b\u8868\u793a\u3055\u305b\u305f\u3044\u30b1\u30fc\u30b9\u3082\u7d50\u69cb\u3042\u308a\u307e\u3059\u3002\u4eca\u56de\u306f\u3001\u5916\u90e8\u7d50\u5408\u306b\u3064\u3044\u3066\u3061\u3087\u3053\u3063\u3068\u518d\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n

\u5916\u90e8\u7d50\u5408\u306e\u7a2e\u985e\u3068\u69cb\u6587\uff1a<\/strong>
\n\uff11\uff0e\u5de6\u5916\u90e8\u7d50\u5408\uff1a LEFT [OUTER] JOIN
\nSELECT .., .., ..
\nFROM \u30c6\u30fc\u30d6\u30ebA LEFT [OUTER] JOIN \u30c6\u30fc\u30d6\u30ebB
\nON \u30c6\u30fc\u30d6\u30ebA.\u5217\u540d = \u30c6\u30fc\u30d6\u30ebB.\u5217\u540d<\/p>\n

\u5de6\u5074\u306e\u8868(\u30c6\u30fc\u30d6\u30ebA)\u306e\u5185\u5bb9\u3092\u5168\u3066\u62bd\u51fa\u3057\u3001\u53f3\u5074\u306e\u8868(\u30c6\u30fc\u30d6\u30ebB)\u306f\u3000\u3000\u6761\u4ef6\u3067\u4e00\u81f4\u3059\u308b\u30ec\u30b3\u30fc\u30c9\u306e\u307f\u3092\u8868\u793a\u3057\u307e\u3059\u3002<\/p>\n

\uff12\uff0e\u53f3\u5916\u90e8\u7d50\u5408\uff1a RIGHT [OUTER] JOIN
\nSELECT .., .., ..
\nFROM \u30c6\u30fc\u30d6\u30ebA RIGHT [OUTER] JOIN \u30c6\u30fc\u30d6\u30ebB
\nON \u30c6\u30fc\u30d6\u30ebA.\u5217\u540d = \u30c6\u30fc\u30d6\u30ebB.\u5217\u540d<\/p>\n

\u53f3\u5074\u306e\u8868(\u30c6\u30fc\u30d6\u30ebB)\u306e\u5185\u5bb9\u3092\u5168\u3066\u62bd\u51fa\u3057\u3001\u5de6\u5074\u306e\u8868(\u30c6\u30fc\u30d6\u30ebA)\u306f\u3000\u3000\u6761\u4ef6\u3067\u4e00\u81f4\u3059\u308b\u30ec\u30b3\u30fc\u30c9\u306e\u307f\u3092\u8868\u793a\u3057\u307e\u3059\u3002<\/p>\n

\uff13\uff0e\u5b8c\u5168\u5916\u90e8\u7d50\u5408\uff1a FULL [OUTER] JOIN
\nSELECT .., .., ..
\nFROM \u30c6\u30fc\u30d6\u30ebA FULL [OUTER] JOIN \u30c6\u30fc\u30d6\u30ebB
\nON \u30c6\u30fc\u30d6\u30ebA.\u5217\u540d = \u30c6\u30fc\u30d6\u30ebB.\u5217\u540d<\/p>\n

\u5de6\u5074\u306e\u8868(\u30c6\u30fc\u30d6\u30ebA)\u3001\u53f3\u5074\u306e\u8868(\u30c6\u30fc\u30d6\u30ebB)\u3068\u3082\u6761\u4ef6\u306b\u4e00\u81f4\u3057\u306a\u3044\u3000\u3000\u30ec\u30b3\u30fc\u30c9\u3082\u542b\u3081\u3066\u3059\u3079\u3066\u8868\u793a\u3057\u307e\u3059\u3002<\/p>\n

\u4f8b\uff09\u3088\u304f\u3042\u308b\u4f8b\u3068\u3057\u3066\u306f\u3001EMP\u8868(\u5f93\u696d\u54e1\u8868)\u3068DEPT\u8868(\u90e8\u7f72\u8868)\u304c\u3042\u3063\u3066\u3001DEPTNO\u3068\u3044\u3046\u90e8\u7f72\u30b3\u30fc\u30c9\u304c2\u3064\u306e\u30c6\u30fc\u30d6\u30eb\u3092\u30b8\u30e7\u30a4\u30f3\u3059\u308b\u30ad\u30fc\u3068\u306a\u3063\u3066\u3044\u308b\u5834\u5408\u3067\u3001\u5f93\u696d\u54e1\u3068\u6240\u5c5e\u90e8\u7f72\u306e\u4e00\u89a7\u3092\u898b\u305f\u3044\u3068\u3044\u3046\u3068\u304d\u306b\u5916\u90e8\u7d50\u5408\u3092\u4f7f\u7528\u3059\u308b\u4f8b\u3067\u3059\u3002\u3053\u306e\u3068\u304d\u3001\u65b0\u3057\u3044\u5f93\u696d\u54e1\u3092\u96c7\u3063\u305f\u306e\u3067EMP\u8868\u306b\u30c7\u30fc\u30bf\u3092\u767b\u9332\u3059\u308b\u306e\u3067\u3059\u304c\u3001\u6240\u5c5e\u90e8\u7f72\u306f\u8a2d\u5b9a\u305b\u305a\u3001\u5f8c\u304b\u3089\u6c7a\u3081\u308b\u3068\u3044\u3046\u3068\u304d\u306b\u3001\u305d\u306e\u6642\u70b9\u3067\u306e\u4e00\u89a7\u3092\u898b\u308b\u3068\u901a\u5e38\u306e\u7d50\u5408\uff08\u5185\u90e8\u7d50\u5408\uff09\u3067\u306f\u90e8\u7f72\u30b3\u30fc\u30c9\u306e\u306a\u3044\u65b0\u5165\u793e\u54e1\u304c\u62bd\u51fa\u3055\u308c\u306a\u3044\u305f\u3081\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5916\u90e8\u7d50\u5408\u3067\u62bd\u51fa\u3057\u307e\u3059\u3002<\/p>\n

\u65b0\u5165\u793e\u54e1\u306e\u767b\u9332\uff1a
\nINSERT INTO EMP(empno,ename,hiredate) VALUES(8000,’SATOU’,’2014-07-20′);<\/p>\n

\u5f93\u696d\u54e1\u3068\u6240\u5c5e\u90e8\u7f72\u306e\u4e00\u89a7\uff1a
\nSELECT E.empno, E.ename, E.job, D.dname, D.deptno
\nFROM emp E
\nLEFT OUTER JOIN dept D ON E.deptno = D.deptno
\nORDER BY E.empno;<\/p>\n

\"\u5916\u90e8\u7d50\u54081\"<\/a><\/p>\n

\u4e0a\u8a18\u306f\u5de6\u5916\u90e8\u7d50\u5408\u3067\u3059\u304c\u3001\u3053\u308c\u3092\u53f3\u5916\u90e8\u7d50\u5408\u3067\u8868\u3059\u3068\u3001
\n<\/a>SELECT E.empno, E.ename, E.job, D.dname, D.deptno
\nFROM dept D
\nRIGHT OUTER JOIN emp E ON D.deptno = E.deptno
\nORDER BY E.empno;<\/p>\n

\"\u5916\u90e8\u7d50\u54082\"<\/a><\/p>\n

\u3055\u3089\u306b\u3001\u5b8c\u5168\u5916\u90e8\u7d50\u5408\u3067\u8868\u3059\u3068\u3001DEPT\u8868\u306b\u306f\u5b58\u5728\u3059\u308b\u304c\u3001EMP\u8868\u3067\u306f\u305d\u306e\u90e8\u7f72\u30b3\u30fc\u30c9\u3092\u6301\u3064\u5f93\u696d\u54e1\u304c\u5b58\u5728\u3057\u306a\u3044\u90e8\u7f72\u3082\u8868\u793a\u3055\u308c\u307e\u3059\u3002
\nSELECT E.empno, E.ename, E.job, D.dname, D.deptno
\nFROM emp E
\nFULL OUTER JOIN dept D ON E.deptno = D.deptno
\nORDER BY E.empno;<\/p>\n

\"\u5b8c\u5168\u5916\u90e8\u7d50\u5408\"<\/a><\/p>\n

\u4eca\u56de\u306fOracle\u3092\u4e2d\u5fc3\u306b\u78ba\u8a8d\u3057\u307e\u3057\u305f\u3002
\n\u4eca\u65e5\u306f\u4ee5\u4e0a\u307e\u3067<\/p>\n","protected":false},"excerpt":{"rendered":"

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