{"id":89324,"date":"2024-03-21T10:59:29","date_gmt":"2024-03-21T01:59:29","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/mysql%e5%a4%96%e9%83%a8%e3%82%ad%e3%83%bc%e5%8f%82%e7%85%a7%e3%81%ae%e6%96%b9%e6%b3%95\/"},"modified":"2024-04-05T12:04:31","modified_gmt":"2024-04-05T03:04:31","slug":"mysql%e5%a4%96%e9%83%a8%e3%82%ad%e3%83%bc%e5%8f%82%e7%85%a7%e3%81%ae%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/mysql%e5%a4%96%e9%83%a8%e3%82%ad%e3%83%bc%e5%8f%82%e7%85%a7%e3%81%ae%e6%96%b9%e6%b3%95\/","title":{"rendered":"mysql\u5916\u90e8\u30ad\u30fc\u53c2\u7167\u306e\u65b9\u6cd5"},"content":{"rendered":"<p>MySQL\u3067\u306f\u3001\u5916\u90e8\u30ad\u30fc\u3092\u53c2\u7167\u3059\u308b\u305f\u3081\u306bFOREIGN KEY\u5236\u7d04\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u624b\u9806\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u30021.\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u6642\u306b\u5916\u90e8\u30ad\u30fc\u5217\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\">\u00a0\u00a0CREATE\u00a0TABLE\u00a0\u8868\u540d\u00a0(<\/pre>\n<p>\u52171\u00a0\u6570\u636e\u7c7b\u578b,<\/p>\n<p>&nbsp;<\/p>\n<p>\u52172\u00a0\u6570\u636e\u7c7b\u578b,<\/p>\n<p>&nbsp;<\/p>\n<p>\u2026<\/p>\n<p>&nbsp;<\/p>\n<p>\u5217N\u00a0\u6570\u636e\u7c7b\u578b,<\/p>\n<p>&nbsp;<\/p>\n<p>FOREIGN\u00a0KEY\u00a0(\u5916\u952e\u5217\u540d)\u00a0REFERENCES\u00a0\u5173\u8054\u8868\u540d(\u5173\u8054\u8868\u7684\u5217\u540d)<\/p>\n<p>&nbsp;<\/p>\n<p>);<\/p>\n<pre class=\"post-pre\"><\/pre>\n<p>\u65e2\u5b58\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u5916\u90e8\u30ad\u30fc\u5236\u7d04\u3092\u8ffd\u52a0\u3059\u308b\u306b\u306f\u3001ALTER TABLE\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u304c\u4f7f\u7528\u3067\u304d\u307e\u3059<\/p>\n<pre class=\"post-pre\">\u00a0\u00a0ALTER\u00a0TABLE\u00a0\u8868\u540d<\/pre>\n<p>&nbsp;<\/p>\n<p>ADD\u00a0FOREIGN\u00a0KEY\u00a0(\u5916\u952e\u5217\u540d)\u00a0REFERENCES\u00a0\u5173\u8054\u8868\u540d(\u5173\u8054\u8868\u7684\u5217\u540d);<\/p>\n<pre class=\"post-pre\"><\/pre>\n<p>\u5916\u90e8\u30ad\u30fc\u5236\u7d04\u3092\u524a\u9664\u3059\u308b\u5834\u5408\u306f\u3001ALTER TABLE \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\">\u00a0\u00a0ALTER\u00a0TABLE\u00a0\u8868\u540d<\/pre>\n<p>&nbsp;<\/p>\n<p>DROP\u00a0FOREIGN\u00a0KEY\u00a0\u5916\u952e\u7ea6\u675f\u540d;<\/p>\n<pre class=\"post-pre\"><\/pre>\n<p>\u6ce8\u610f\u4e8b\u9805\uff1a- \u5916\u90e8\u30ad\u30fc\u3092\u4f7f\u7528\u3059\u308b\u524d\u306b\u3001\u53c2\u7167\u3055\u308c\u308b\u30c6\u30fc\u30d6\u30eb\u304c\u5b58\u5728\u3057\u3001\u53c2\u7167\u3055\u308c\u308b\u5217\u304c\u4e3b\u30ad\u30fc\u307e\u305f\u306f\u30e6\u30cb\u30fc\u30af\u5236\u7d04\u3092\u6301\u3063\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002- \u5916\u90e8\u30ad\u30fc\u5236\u7d04\u306f\u5358\u4e00\u306e\u5217\u307e\u305f\u306f\u8907\u6570\u306e\u5217\u306e\u7d44\u307f\u5408\u308f\u305b\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002- MySQL\u306f\u30c7\u30fc\u30bf\u306e\u633f\u5165\u307e\u305f\u306f\u66f4\u65b0\u6642\u306b\u5916\u90e8\u30ad\u30fc\u5236\u7d04\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3001\u53c2\u7167\u5148\u306e\u5024\u304c\u95a2\u9023\u30c6\u30fc\u30d6\u30eb\u306b\u5b58\u5728\u3059\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002- \u5916\u90e8\u30ad\u30fc\u5236\u7d04\u306f\u30c6\u30fc\u30d6\u30eb\u306e\u4f5c\u6210\u6642\u306b\u5b9a\u7fa9\u3057\u305f\u308a\u3001\u4ee5\u964d\u306eALTER TABLE\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3067\u8ffd\u52a0\u307e\u305f\u306f\u524a\u9664\u3057\u305f\u308a\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MySQL\u3067\u306f\u3001\u5916\u90e8\u30ad\u30fc\u3092\u53c2\u7167\u3059\u308b\u305f\u3081\u306bFOREIGN KEY\u5236\u7d04\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u624b\u9806\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u30021.\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u6642\u306b\u5916\u90e8\u30ad\u30fc\u5217\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002 \u00a0\u00a0CREATE\u00a0TABLE\u00a0\u8868\u540d\u00a0( \u52171\u00a0\u6570\u636e\u7c7b\u578b, &#038;nbsp [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-89324","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) - 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