{"id":135094,"date":"2024-03-26T10:30:39","date_gmt":"2024-03-26T01:30:39","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/sql-%e6%96%87%e3%81%a7%e3%82%ab%e3%83%a9%e3%83%a0%e3%82%92%e5%a4%89%e6%9b%b4%e3%81%99%e3%82%8b%e6%a7%8b%e6%96%87%e8%a6%8f%e5%89%87%e3%81%a8%e3%81%af\/"},"modified":"2024-04-04T13:13:54","modified_gmt":"2024-04-04T04:13:54","slug":"sql-%e6%96%87%e3%81%a7%e3%82%ab%e3%83%a9%e3%83%a0%e3%82%92%e5%a4%89%e6%9b%b4%e3%81%99%e3%82%8b%e6%a7%8b%e6%96%87%e8%a6%8f%e5%89%87%e3%81%a8%e3%81%af","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/sql-%e6%96%87%e3%81%a7%e3%82%ab%e3%83%a9%e3%83%a0%e3%82%92%e5%a4%89%e6%9b%b4%e3%81%99%e3%82%8b%e6%a7%8b%e6%96%87%e8%a6%8f%e5%89%87%e3%81%a8%e3%81%af\/","title":{"rendered":"SQL \u6587\u3067\u30ab\u30e9\u30e0\u3092\u5909\u66f4\u3059\u308b\u69cb\u6587\u898f\u5247\u3068\u306f?"},"content":{"rendered":"<p>ALTER TABLE \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u6587\u6cd5\u30eb\u30fc\u30eb\u3092\u5909\u66f4\u3067\u304d\u307e\u3059\u3002\u69cb\u6587\u30eb\u30fc\u30eb\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>ALTER TABLE \u8868\u540d\r\nMODIFY \u5217\u540d \u6570\u636e\u7c7b\u578b [\u7ea6\u675f\u6761\u4ef6];\r\n<\/code><\/pre>\n<p>ALTER TABLE\u30ad\u30fc\u30ef\u30c9\u3067\u5909\u66f4\u3059\u308b\u30c6\u30fc\u30d6\u30eb\u540d\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002MODIFY\u30ad\u30fc\u30ef\u30c9\u3067\u5909\u66f4\u3059\u308b\u5217\u540d\u3068\u5909\u66f4\u5f8c\u306e\u30c7\u30fc\u30bf\u578b\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u5236\u7d04\u6761\u4ef6\u3092\u4efb\u610f\u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n<p>\u305f\u3068\u3048\u3070\u3001age \u5217\u306e\u30c7\u30fc\u30bf\u578b\u3092 INT \u304b\u3089 VARCHAR(50) \u306b\u5909\u66f4\u3059\u308b\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>ALTER TABLE \u8868\u540d\r\nMODIFY age VARCHAR(50);\r\n<\/code><\/pre>\n<p>\u3054\u4f7f\u7528\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\u306b\u3088\u3063\u3066\u3001\u5177\u4f53\u7684\u306a\u69cb\u6587\u306f\u82e5\u5e72\u7570\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002 \u4e0a\u8a18\u306e\u30b5\u30f3\u30d7\u30eb\u6587\u306f\u3001MySQL\u3001SQL Server\u3001Oracle \u306a\u3069\u306e\u4e00\u822c\u7684\u306a\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b7\u30b9\u30c6\u30e0\u306e\u307b\u3068\u3093\u3069\u3067\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>ALTER TABLE \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u6587\u6cd5\u30eb\u30fc\u30eb\u3092\u5909\u66f4\u3067\u304d\u307e\u3059\u3002\u69cb\u6587\u30eb\u30fc\u30eb\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002 ALTER TABLE \u8868\u540d MODIFY \u5217\u540d \u6570\u636e\u7c7b\u578b [\u7ea6\u675f\u6761\u4ef6]; ALTER TABLE [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-135094","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>SQL \u6587\u3067\u30ab\u30e9\u30e0\u3092\u5909\u66f4\u3059\u308b\u69cb\u6587\u898f\u5247\u3068\u306f? 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