{"id":7980,"date":"2023-11-16T15:54:31","date_gmt":"2023-11-16T06:54:31","guid":{"rendered":"https:\/\/kininariantenna.com\/?p=7980"},"modified":"2023-11-16T16:05:16","modified_gmt":"2023-11-16T07:05:16","slug":"sql-except%e3%81%a7%e5%b7%ae%e5%88%86%e3%82%92%e6%8a%bd%e5%87%ba%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%ef%bc%81where%e3%81%a8%e3%81%ae%e7%b5%84%e5%90%88%e3%81%9b%e3%82%82%ef%bc%81","status":"publish","type":"post","link":"https:\/\/kininariantenna.com\/?p=7980","title":{"rendered":"SQL EXCEPT\u3067\u5dee\u5206\u3092\u62bd\u51fa\u3059\u308b\u65b9\u6cd5\uff01WHERE\u3068\u306e\u7d44\u5408\u305b\u3082\uff01"},"content":{"rendered":"<p><P>SQL EXCEPT\u306e\u610f\u5473\u3084\u4f7f\u3044\u65b9\u3092\u77e5\u308a\u305f\u3044\u3068\u304d\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002<\/P><br \/>\n\u3051\u3069\u3001\u305d\u3093\u306a\u4e2d\u3067\u60a9\u3080\u3053\u3068\u306f\u3001<\/p>\n<div class=\"kininarukoto1\">\u30fbSQL EXCEPT\u306e\u610f\u5473\u304c\u308f\u304b\u3089\u306a\u3044<br \/>\n\u30fbSQL EXCEPT\u306e\u4f7f\u3044\u65b9\u304c\u308f\u304b\u3089\u306a\u3044<\/div>\n<p>\u3067\u3059\u3088\u306d\u3002<\/p>\n<p>\u4eca\u56de\u306f\u305d\u3093\u306a\u304a\u60a9\u307f\u3092\u89e3\u6c7a\u3059\u308b<\/p>\n<div class=\"rdinfo\">\u30fbSQL EXCEPT\u3067\u5dee\u5206\u3092\u62bd\u51fa\u3059\u308b\u65b9\u6cd5<br \/>\n\u30fbSQL EXCEPT\u306e\u4f7f\u7528\u4f8b<\/div>\n<p>\u306b\u3064\u3044\u3066\u307e\u3068\u3081\u307e\u3059\uff01<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_46 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">\u3082\u304f\u3058<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/kininariantenna.com\/?p=7980\/#SQL_EXCEPT%E3%81%A8%E3%81%AF\" title=\"SQL EXCEPT\u3068\u306f\">SQL EXCEPT\u3068\u306f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/kininariantenna.com\/?p=7980\/#EXCEPT%E3%81%AE%E4%BD%BF%E3%81%84%E6%96%B9\" title=\"EXCEPT\u306e\u4f7f\u3044\u65b9\">EXCEPT\u306e\u4f7f\u3044\u65b9<\/a><ul class='ez-toc-list-level-4'><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/kininariantenna.com\/?p=7980\/#2%E3%81%A4%E3%81%AESELECT%E6%96%87%E3%81%AE%E8%A8%98%E8%BF%B0\" title=\"2\u3064\u306eSELECT\u6587\u306e\u8a18\u8ff0\">2\u3064\u306eSELECT\u6587\u306e\u8a18\u8ff0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/kininariantenna.com\/?p=7980\/#EXCEPT%E6%BC%94%E7%AE%97%E5%AD%90%E3%81%AE%E6%8C%99%E5%8B%95\" title=\"EXCEPT\u6f14\u7b97\u5b50\u306e\u6319\u52d5\">EXCEPT\u6f14\u7b97\u5b50\u306e\u6319\u52d5<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/kininariantenna.com\/?p=7980\/#WHERE%E3%81%A8%E3%81%AE%E7%B5%84%E5%90%88%E3%81%9B\" title=\"WHERE\u3068\u306e\u7d44\u5408\u305b\">WHERE\u3068\u306e\u7d44\u5408\u305b<\/a><ul class='ez-toc-list-level-4'><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/kininariantenna.com\/?p=7980\/#WHERE%E5%8F%A5%E3%82%92%E5%88%A9%E7%94%A8%E3%81%97%E3%81%9F%E6%9D%A1%E4%BB%B6%E5%BC%8F%E3%81%AE%E8%A8%98%E8%BF%B0\" title=\"WHERE\u53e5\u3092\u5229\u7528\u3057\u305f\u6761\u4ef6\u5f0f\u306e\u8a18\u8ff0\">WHERE\u53e5\u3092\u5229\u7528\u3057\u305f\u6761\u4ef6\u5f0f\u306e\u8a18\u8ff0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/kininariantenna.com\/?p=7980\/#EXCEPT%E3%81%A8WHERE%E3%81%AE%E7%B5%84%E5%90%88%E3%81%9B\" title=\"EXCEPT\u3068WHERE\u306e\u7d44\u5408\u305b\">EXCEPT\u3068WHERE\u306e\u7d44\u5408\u305b<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/kininariantenna.com\/?p=7980\/#%E5%AE%9F%E8%B7%B5%E7%9A%84%E3%81%AA%E4%BE%8B\" title=\"\u5b9f\u8df5\u7684\u306a\u4f8b\">\u5b9f\u8df5\u7684\u306a\u4f8b<\/a><ul class='ez-toc-list-level-4'><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/kininariantenna.com\/?p=7980\/#2%E3%81%A4%E3%81%AE%E3%83%86%E3%83%BC%E3%83%96%E3%83%AB%E3%81%8B%E3%82%89%E5%B7%AE%E5%88%86%E3%82%92%E6%8A%BD%E5%87%BA%E3%81%99%E3%82%8B\" title=\"2\u3064\u306e\u30c6\u30fc\u30d6\u30eb\u304b\u3089\u5dee\u5206\u3092\u62bd\u51fa\u3059\u308b\">2\u3064\u306e\u30c6\u30fc\u30d6\u30eb\u304b\u3089\u5dee\u5206\u3092\u62bd\u51fa\u3059\u308b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/kininariantenna.com\/?p=7980\/#%E8%A4%87%E9%9B%91%E3%81%AA%E6%9D%A1%E4%BB%B6%E5%BC%8F%E3%82%92%E5%88%A9%E7%94%A8%E3%81%97%E3%81%9F%E6%8A%BD%E5%87%BA\" title=\"\u8907\u96d1\u306a\u6761\u4ef6\u5f0f\u3092\u5229\u7528\u3057\u305f\u62bd\u51fa\">\u8907\u96d1\u306a\u6761\u4ef6\u5f0f\u3092\u5229\u7528\u3057\u305f\u62bd\u51fa<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/kininariantenna.com\/?p=7980\/#%E3%81%BE%E3%81%A8%E3%82%81\" title=\"\u307e\u3068\u3081\">\u307e\u3068\u3081<\/a><\/li><\/ul><\/nav><\/div>\n<h3><span class=\"ez-toc-section\" id=\"SQL_EXCEPT%E3%81%A8%E3%81%AF\"><\/span>SQL EXCEPT\u3068\u306f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><code>EXCEPT<\/code>\u306f\u3001SQL\u306e\u6f14\u7b97\u5b50\u306e\u4e00\u3064\u3067\u30012\u3064\u306e\u30af\u30a8\u30ea\u7d50\u679c\u304b\u3089\u91cd\u8907\u3059\u308b\u90e8\u5206\u3092\u9664\u5916\u3057\u3001\u6700\u521d\u306e\u30af\u30a8\u30ea\u306b\u306e\u307f\u5b58\u5728\u3059\u308b\u30e6\u30cb\u30fc\u30af\u306a\u30ec\u30b3\u30fc\u30c9\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u3064\u307e\u308a\u3001SELECT\u7d50\u679c\u306e\u5dee\u96c6\u5408\u3092\u53d6\u5f97\u3059\u308b\u51e6\u7406\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"EXCEPT%E3%81%AE%E4%BD%BF%E3%81%84%E6%96%B9\"><\/span>EXCEPT\u306e\u4f7f\u3044\u65b9<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4><span class=\"ez-toc-section\" id=\"2%E3%81%A4%E3%81%AESELECT%E6%96%87%E3%81%AE%E8%A8%98%E8%BF%B0\"><\/span>2\u3064\u306eSELECT\u6587\u306e\u8a18\u8ff0<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u307e\u305a\u306f\u30012\u3064\u306e\u72ec\u7acb\u3057\u305fSELECT\u6587\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30af\u30a8\u30ea\u306f\u3001\u540c\u3058\u6570\u3068\u578b\u306e\u5217\u3092\u8fd4\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-sql\"><span class=\"hljs-keyword\">SELECT<\/span> column1, column2 <span class=\"hljs-keyword\">FROM<\/span> table1\r\n<span class=\"hljs-keyword\">EXCEPT<\/span>\r\n<span class=\"hljs-keyword\">SELECT<\/span> column1, column2 <span class=\"hljs-keyword\">FROM<\/span> table2;<\/code><\/pre>\n<h4><span class=\"ez-toc-section\" id=\"EXCEPT%E6%BC%94%E7%AE%97%E5%AD%90%E3%81%AE%E6%8C%99%E5%8B%95\"><\/span>EXCEPT\u6f14\u7b97\u5b50\u306e\u6319\u52d5<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><code>EXCEPT<\/code>\u6f14\u7b97\u5b50\u306f\u3001\u6700\u521d\u306eSELECT\u6587\u306b\u3088\u3063\u3066\u8fd4\u3055\u308c\u305f\u7d50\u679c\u304b\u3089\u30012\u756a\u76ee\u306eSELECT\u6587\u306b\u3088\u3063\u3066\u8fd4\u3055\u308c\u305f\u7d50\u679c\u3092\u9664\u5916\u3057\u307e\u3059\u3002<\/p>\n<p>2\u3064\u306eSELECT\u6587\u306e\u8a18\u8ff0\u3068EXCEPT\u6f14\u7b97\u5b50\u306e\u6319\u52d5\u306b\u3064\u3044\u3066\u30b5\u30f3\u30d7\u30eb\u30c7\u30fc\u30bf\u3067\u307f\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<p><strong>\u30b5\u30f3\u30d7\u30eb\u30c7\u30fc\u30bf<\/strong><\/p>\n<div class=\"info\">\ntable1: employees<br \/>\ncolumns: employee_id, name<br \/>\ndata:<br \/>\n(1, &#8216;\u9ad8\u6a4b&#8217;)<br \/>\n(2, &#8216;\u4f0a\u85e4&#8217;)<br \/>\n(3, &#8216;\u9234\u6728&#8217;)<\/div>\n<div class=\"info\">table2: former_employees<br \/>\ncolumns: employee_id, name<br \/>\ndata:<br \/>\n(3, &#8216;\u9234\u6728&#8217;)<br \/>\n(4, &#8216;\u677e\u7530&#8217;)<\/div>\n<p><strong>\u30af\u30a8\u30ea<\/strong><\/p>\n<pre><code class=\"language-sql\">SELECT employee_id, name FROM employees\r\nEXCEPT\r\nSELECT employee_id, name FROM former_employees;\r\n<\/code><\/pre>\n<p><strong>\u7d50\u679c<\/strong><br \/>\n\u3053\u306e\u30af\u30a8\u30ea\u306f\u3001employees \u30c6\u30fc\u30d6\u30eb\u306e\u30ec\u30b3\u30fc\u30c9\u306e\u3046\u3061\u3001former_employees \u30c6\u30fc\u30d6\u30eb\u306b\u5b58\u5728\u3057\u306a\u3044\u3082\u306e\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<br \/>\n\u305d\u306e\u7d50\u679c\u3001\u9ad8\u6a4b \u3068 \u4f0a\u85e4 \u306e\u30ec\u30b3\u30fc\u30c9\u304c\u8fd4\u3055\u308c\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"WHERE%E3%81%A8%E3%81%AE%E7%B5%84%E5%90%88%E3%81%9B\"><\/span>WHERE\u3068\u306e\u7d44\u5408\u305b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4><span class=\"ez-toc-section\" id=\"WHERE%E5%8F%A5%E3%82%92%E5%88%A9%E7%94%A8%E3%81%97%E3%81%9F%E6%9D%A1%E4%BB%B6%E5%BC%8F%E3%81%AE%E8%A8%98%E8%BF%B0\"><\/span>WHERE\u53e5\u3092\u5229\u7528\u3057\u305f\u6761\u4ef6\u5f0f\u306e\u8a18\u8ff0<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>WHERE\u53e5\u3092\u4f7f\u7528\u3057\u3066\u3001\u6761\u4ef6\u3092\u6e80\u305f\u3059\u30ec\u30b3\u30fc\u30c9\u306e\u307f\u3092\u62bd\u51fa\u3057\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-sql\"><span class=\"hljs-keyword\">SELECT<\/span> column1 <span class=\"hljs-keyword\">FROM<\/span> table1 <span class=\"hljs-keyword\">WHERE<\/span> <span class=\"hljs-keyword\">condition<\/span>\r\n<span class=\"hljs-keyword\">EXCEPT<\/span>\r\n<span class=\"hljs-keyword\">SELECT<\/span> column1 <span class=\"hljs-keyword\">FROM<\/span> table2 <span class=\"hljs-keyword\">WHERE<\/span> <span class=\"hljs-keyword\">condition<\/span>;\r\n<\/code><\/pre>\n<h4><span class=\"ez-toc-section\" id=\"EXCEPT%E3%81%A8WHERE%E3%81%AE%E7%B5%84%E5%90%88%E3%81%9B\"><\/span>EXCEPT\u3068WHERE\u306e\u7d44\u5408\u305b<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u4e21\u65b9\u306eSELECT\u6587\u306bWHERE\u53e5\u3092\u7528\u3044\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u5177\u4f53\u7684\u306a\u6761\u4ef6\u306b\u57fa\u3065\u3044\u305f\u5dee\u5206\u306e\u62bd\u51fa\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E5%AE%9F%E8%B7%B5%E7%9A%84%E3%81%AA%E4%BE%8B\"><\/span>\u5b9f\u8df5\u7684\u306a\u4f8b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4><span class=\"ez-toc-section\" id=\"2%E3%81%A4%E3%81%AE%E3%83%86%E3%83%BC%E3%83%96%E3%83%AB%E3%81%8B%E3%82%89%E5%B7%AE%E5%88%86%E3%82%92%E6%8A%BD%E5%87%BA%E3%81%99%E3%82%8B\"><\/span>2\u3064\u306e\u30c6\u30fc\u30d6\u30eb\u304b\u3089\u5dee\u5206\u3092\u62bd\u51fa\u3059\u308b<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u4f8b\u3048\u3070\u30012\u3064\u306e\u7570\u306a\u308b\u30c6\u30fc\u30d6\u30eb\u304b\u3089\u7279\u5b9a\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3059\u30ec\u30b3\u30fc\u30c9\u306e\u5dee\u5206\u3092\u62bd\u51fa\u3057\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-sql\"><span class=\"hljs-keyword\">SELECT<\/span> column1 <span class=\"hljs-keyword\">FROM<\/span> table1 <span class=\"hljs-keyword\">WHERE<\/span> <span class=\"hljs-keyword\">condition<\/span>\r\n<span class=\"hljs-keyword\">EXCEPT<\/span>\r\n<span class=\"hljs-keyword\">SELECT<\/span> column1 <span class=\"hljs-keyword\">FROM<\/span> table2 <span class=\"hljs-keyword\">WHERE<\/span> <span class=\"hljs-keyword\">condition<\/span>;\r\n<\/code><\/pre>\n<p><strong>\u30b5\u30f3\u30d7\u30eb\u30c7\u30fc\u30bf<\/strong><\/p>\n<div class=\"info\">table1: employees \u306b salary \u5217\u3092\u8ffd\u52a0<br \/>\ndata:<br \/>\n(1, &#8216;\u9ad8\u6a4b&#8217;, 50000)<br \/>\n(2, &#8216;\u4f0a\u85e4&#8217;, 60000)<br \/>\n(3, &#8216;\u9234\u6728&#8217;, 70000)<\/div>\n<div class=\"info\">table2: former_employees \u306b salary \u5217\u3092\u8ffd\u52a0<br \/>\ndata:<br \/>\n(3, &#8216;\u9234\u6728&#8217;, 70000)<br \/>\n(4, &#8216;\u677e\u7530&#8217;, 80000)<\/div>\n<p><strong>\u30af\u30a8\u30ea<\/strong><\/p>\n<pre><code class=\"language-sql\">SELECT employee_id, name FROM employees WHERE salary > 55000\r\nEXCEPT\r\nSELECT employee_id, name FROM former_employees WHERE salary > 55000;<\/code><\/pre>\n<p><strong>\u7d50\u679c<\/strong><br \/>\n\u3053\u306e\u30af\u30a8\u30ea\u3067\u306f\u3001salary \u304c 55000 \u3088\u308a\u5927\u304d\u3044 employees \u30c6\u30fc\u30d6\u30eb\u306e\u30ec\u30b3\u30fc\u30c9\u304b\u3089\u3001<br \/>\n\u540c\u3058\u6761\u4ef6\u3092\u6e80\u305f\u3059 former_employees \u30c6\u30fc\u30d6\u30eb\u306e\u30ec\u30b3\u30fc\u30c9\u3092\u9664\u5916\u3057\u307e\u3059\u3002<br \/>\n\u7d50\u679c\u3068\u3057\u3066\u3001\u9234\u6728 \u306f\u4e21\u65b9\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u5b58\u5728\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u9664\u5916\u3055\u308c\u307e\u3059\u3002\u8fd4\u3055\u308c\u308b\u306e\u306f \u4f0a\u85e4 \u306e\u307f\u3067\u3059\u3002<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%E8%A4%87%E9%9B%91%E3%81%AA%E6%9D%A1%E4%BB%B6%E5%BC%8F%E3%82%92%E5%88%A9%E7%94%A8%E3%81%97%E3%81%9F%E6%8A%BD%E5%87%BA\"><\/span>\u8907\u96d1\u306a\u6761\u4ef6\u5f0f\u3092\u5229\u7528\u3057\u305f\u62bd\u51fa<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u8907\u96d1\u306a\u6761\u4ef6\u3084\u8907\u6570\u306e\u6761\u4ef6\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u3001\u3088\u308a\u7279\u5b9a\u306e\u5dee\u5206\u3092\u62bd\u51fa\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<pre><code class=\"language-sql\"><span class=\"hljs-keyword\">SELECT<\/span> column1, column2 <span class=\"hljs-keyword\">FROM<\/span> table1 <span class=\"hljs-keyword\">WHERE<\/span> condition1 <span class=\"hljs-keyword\">AND<\/span><span class=\"hljs-operator\">\/<\/span><span class=\"hljs-keyword\">OR<\/span> condition2\r\n<span class=\"hljs-keyword\">EXCEPT<\/span>\r\n<span class=\"hljs-keyword\">SELECT<\/span> column1, column2 <span class=\"hljs-keyword\">FROM<\/span> table2 <span class=\"hljs-keyword\">WHERE<\/span> condition1 <span class=\"hljs-keyword\">AND<\/span><span class=\"hljs-operator\">\/<\/span><span class=\"hljs-keyword\">OR<\/span> condition2;\r\n<\/code><\/pre>\n<p><strong>\u30b5\u30f3\u30d7\u30eb\u30c7\u30fc\u30bf<\/strong><\/p>\n<div class=\"info\">table1: employees<br \/>\ncolumns: employee_id, name, department, salary<br \/>\ndata:<br \/>\n(1, &#8216;\u5c71\u7530&#8217;, &#8216;IT&#8217;, 60000)<br \/>\n(2, &#8216;\u4f50\u85e4&#8217;, &#8216;Marketing&#8217;, 55000)<br \/>\n(3, &#8216;\u7530\u4e2d&#8217;, &#8216;IT&#8217;, 50000)<br \/>\n(4, &#8216;\u9234\u6728&#8217;, &#8216;HR&#8217;, 70000)<\/div>\n<div class=\"info\">table2: former_employees<br \/>\ncolumns: employee_id, name, department, salary<br \/>\ndata:<br \/>\n(3, &#8216;\u7530\u4e2d&#8217;, &#8216;IT&#8217;, 50000)<br \/>\n(5, &#8216;\u4f0a\u85e4&#8217;, &#8216;HR&#8217;, 45000)<br \/>\n(6, &#8216;\u9ad8\u6a4b&#8217;, &#8216;Marketing&#8217;, 60000)<\/div>\n<p><strong>\u30af\u30a8\u30ea<\/strong><\/p>\n<pre><code class=\"language-sql\">SELECT employee_id, name FROM employees WHERE department = 'IT' AND salary > 55000\r\nEXCEPT\r\nSELECT employee_id, name FROM former_employees WHERE department = 'IT' AND salary > 55000;<\/code><\/pre>\n<p>\u5b9f\u884c\u7d50\u679c\u306e\u8aac\u660e<\/p>\n<p><strong>\u7d50\u679c<\/strong><br \/>\n\u3053\u306e\u30af\u30a8\u30ea\u306f\u3001employees \u30c6\u30fc\u30d6\u30eb\u304b\u3089 department \u304c &#8216;IT&#8217; \u3067\u3001\u304b\u3064 salary \u304c 55000 \u3088\u308a\u5927\u304d\u3044\u5f93\u696d\u54e1\u3092\u9078\u629e\u3057\u307e\u3059\u3002<br \/>\n\u305d\u308c\u306b\u5bfe\u3057\u3001former_employees \u30c6\u30fc\u30d6\u30eb\u3067\u3082\u540c\u3058\u6761\u4ef6\u3092\u6e80\u305f\u3059\u5f93\u696d\u54e1\u3092\u9078\u629e\u3057\u3001\u305d\u306e\u7d50\u679c\u3092\u9664\u5916\u3057\u307e\u3059\u3002<\/p>\n<div class=\"info\">employees \u30c6\u30fc\u30d6\u30eb\u3067\u306f\u3001\u6761\u4ef6\u3092\u6e80\u305f\u3059\u5f93\u696d\u54e1\u306f \u5c71\u7530<br \/>\nformer_employees \u30c6\u30fc\u30d6\u30eb\u3067\u306f\u3001\u3053\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3059\u5f93\u696d\u54e1\u306f\u3044\u306a\u3044<\/div>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u6700\u7d42\u7684\u306a\u7d50\u679c\u3068\u3057\u3066\u3001\u5c71\u7530 \u306e\u30ec\u30b3\u30fc\u30c9\u306e\u307f\u304c\u8fd4\u3055\u308c\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E3%81%BE%E3%81%A8%E3%82%81\"><\/span>\u307e\u3068\u3081<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u4eca\u56de\u306f\u3001<\/p>\n<div class=\"rdinfo\">\u30fbSQL EXCEPT\u3067\u5dee\u5206\u3092\u62bd\u51fa\u3059\u308b\u65b9\u6cd5<br \/>\n\u30fbSQL EXCEPT\u306e\u4f7f\u7528\u4f8b<\/div>\n<p>\u306b\u3064\u3044\u3066\u307e\u3068\u3081\u307e\u3057\u305f\u3002<\/p>\n<p><code>EXCEPT<\/code>\u6f14\u7b97\u5b50\u306f\u30012\u3064\u306e\u30af\u30a8\u30ea\u7d50\u679c\u306e\u5dee\u5206\u3092\u898b\u3064\u3051\u308b\u969b\u306b\u975e\u5e38\u306b\u6709\u7528\u3067\u3059\u3002<\/p>\n<p>\u7279\u306b\u3001\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u969b\u3084\u3001\u7570\u306a\u308b\u30c7\u30fc\u30bf\u30bd\u30fc\u30b9\u9593\u3067\u306e\u30c7\u30fc\u30bf\u306e\u6bd4\u8f03\u306b\u5f79\u7acb\u3064\u3067\u3057\u3087\u3046\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>SQL EXCEPT\u306e\u610f\u5473\u3084\u4f7f\u3044\u65b9\u3092\u77e5\u308a\u305f\u3044\u3068\u304d\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002 \u3051\u3069\u3001\u305d\u3093\u306a\u4e2d\u3067\u60a9\u3080\u3053\u3068\u306f\u3001 \u30fbSQL EXCEPT\u306e\u610f\u5473\u304c\u308f\u304b\u3089\u306a\u3044 \u30fbSQL EXCEPT\u306e\u4f7f\u3044\u65b9\u304c\u308f\u304b\u3089\u306a\u3044 \u3067\u3059\u3088\u306d\u3002 \u4eca\u56de\u306f\u305d\u3093\u306a\u304a\u60a9\u307f\u3092\u89e3\u6c7a&#8230;<\/p>\n","protected":false},"author":1,"featured_media":7904,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[193],"tags":[184],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v18.4.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>SQL EXCEPT\u3067\u5dee\u5206\u3092\u62bd\u51fa\u3059\u308b\u65b9\u6cd5\uff01WHERE\u3068\u306e\u7d44\u5408\u305b\u3082\uff01 - \u30ad\u30cb\u30ca\u30ea\u30a2\u30f3\u30c6\u30ca<\/title>\n<meta name=\"description\" content=\"\u30fbSQL EXCEPT\u3067\u5dee\u5206\u3092\u62bd\u51fa\u3059\u308b\u65b9\u6cd5\u30fbSQL EXCEPT\u306e\u4f7f\u7528\u4f8b\u306b\u3064\u3044\u3066\u307e\u3068\u3081\u307e\u3059\u3002\" \/>\n<meta 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