{"id":132020,"date":"2024-03-25T21:33:48","date_gmt":"2024-03-25T12:33:48","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/%e5%a4%89%e6%95%b0%e3%81%abmysql%e3%82%af%e3%82%a8%e3%83%aa%e7%b5%90%e6%9e%9c%e3%82%92%e5%89%b2%e3%82%8a%e5%bd%93%e3%81%a6%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%af\/"},"modified":"2024-03-27T01:34:21","modified_gmt":"2024-03-26T16:34:21","slug":"%e5%a4%89%e6%95%b0%e3%81%abmysql%e3%82%af%e3%82%a8%e3%83%aa%e7%b5%90%e6%9e%9c%e3%82%92%e5%89%b2%e3%82%8a%e5%bd%93%e3%81%a6%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%af","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/%e5%a4%89%e6%95%b0%e3%81%abmysql%e3%82%af%e3%82%a8%e3%83%aa%e7%b5%90%e6%9e%9c%e3%82%92%e5%89%b2%e3%82%8a%e5%bd%93%e3%81%a6%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%af\/","title":{"rendered":"\u5909\u6570\u306bMySQL\u30af\u30a8\u30ea\u7d50\u679c\u3092\u5272\u308a\u5f53\u3066\u308b\u65b9\u6cd5\u306f?"},"content":{"rendered":"<p>SELECT\u6587\u3067\u5909\u6570\u306b\u30af\u30a8\u30ea\u306e\u7d50\u679c\u3092\u683c\u7d0d\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">SELECT<\/span> column_name(s) <span class=\"hljs-keyword\">INTO<\/span> variable_name <span class=\"hljs-keyword\">FROM<\/span> table_name <span class=\"hljs-keyword\">WHERE<\/span> <span class=\"hljs-keyword\">condition<\/span>;\r\n<\/code><\/pre>\n<p>column_name(s)\u306f\u691c\u7d22\u3059\u308b\u5217\u540d, variable_name\u306f\u4ee3\u5165\u5148\u306e\u5909\u6570\u540d,\u3000table_name\u306f\u691c\u7d22\u5bfe\u8c61\u306e\u30c6\u30fc\u30d6\u30eb\u540d, condition\u306f\u691c\u7d22\u6761\u4ef6(\u7701\u7565\u53ef)\u3067\u3059<\/p>\n<p>\u4ee5\u4e0b\u306b\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">SELECT<\/span> <span class=\"hljs-built_in\">COUNT<\/span>(<span class=\"hljs-operator\">*<\/span>) <span class=\"hljs-keyword\">INTO<\/span> <span class=\"hljs-variable\">@count<\/span> <span class=\"hljs-keyword\">FROM<\/span> users <span class=\"hljs-keyword\">WHERE<\/span> age <span class=\"hljs-operator\">&gt;<\/span> <span class=\"hljs-number\">18<\/span>;\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u306e\u4f8b\u3067\u306f\u3001SELECT COUNT(*)\u6587\u3067\u6761\u4ef6\uff08\u5e74\u9f62\u304c18\u3088\u308a\u5927\u304d\u3044\uff09\u3092\u6e80\u305f\u3059\u30ec\u30b3\u30fc\u30c9\u6570\u3092\u554f\u3044\u5408\u308f\u305b\u3001\u305d\u306e\u7d50\u679c\u3092\u5909\u6570@count\u306b\u4ee3\u5165\u3057\u307e\u3057\u305f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>SELECT\u6587\u3067\u5909\u6570\u306b\u30af\u30a8\u30ea\u306e\u7d50\u679c\u3092\u683c\u7d0d\u3067\u304d\u307e\u3059\u3002 SELECT column_name(s) INTO variable_name FROM table_name WHERE condition; column_nam [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-132020","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u5909\u6570\u306bMySQL\u30af\u30a8\u30ea\u7d50\u679c\u3092\u5272\u308a\u5f53\u3066\u308b\u65b9\u6cd5\u306f? 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