{"id":7030,"date":"2024-03-14T20:19:06","date_gmt":"2024-03-14T11:19:06","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/plsql%e3%81%a7%e3%83%86%e3%83%bc%e3%83%96%e3%83%ab%e3%82%92%e4%bd%9c%e6%88%90%e3%81%97%e3%81%a6%e4%b8%bb%e3%82%ad%e3%83%bc%e3%82%92%e8%a8%ad%e5%ae%9a%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%af\/"},"modified":"2025-08-03T12:21:08","modified_gmt":"2025-08-03T03:21:08","slug":"plsql%e3%81%a7%e3%83%86%e3%83%bc%e3%83%96%e3%83%ab%e3%82%92%e4%bd%9c%e6%88%90%e3%81%97%e3%81%a6%e4%b8%bb%e3%82%ad%e3%83%bc%e3%82%92%e8%a8%ad%e5%ae%9a%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%af","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/plsql%e3%81%a7%e3%83%86%e3%83%bc%e3%83%96%e3%83%ab%e3%82%92%e4%bd%9c%e6%88%90%e3%81%97%e3%81%a6%e4%b8%bb%e3%82%ad%e3%83%bc%e3%82%92%e8%a8%ad%e5%ae%9a%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%af\/","title":{"rendered":"PL\/SQL \u30c6\u30fc\u30d6\u30eb\u4f5c\u6210\u3068\u4e3b\u30ad\u30fc\u8a2d\u5b9a\u3010\u57fa\u672c\u304b\u3089\u89e3\u8aac\u3011"},"content":{"rendered":"<p>PL\/SQL\u3067\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u3057\u3001\u4e3b\u30ad\u30fc\u3092\u8a2d\u5b9a\u3059\u308b\u306b\u306f\u3001CREATE TABLE\u6587\u3068ALTER TABLE\u6587\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u4f8b\u3067\u3059\uff1a<\/p>\n<p>\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u3057\u3001\u4e3b\u30ad\u30fc\u3092\u8a2d\u5b9a\u3059\u308b\u3002<\/p>\n<pre class=\"post-pre\"><code class=\"lang-sql\">CREATE TABLE employees (\r\n    employee_id NUMBER PRIMARY KEY,\r\n    first_name VARCHAR2(50),\r\n    last_name VARCHAR2(50),\r\n    hire_date DATE\r\n);\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u306e\u4f8b\u3067\u306f\u3001employees\u3068\u3044\u3046\u540d\u524d\u306e\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u3057\u3001employee_id\u5217\u3092\u4e3b\u30ad\u30fc\u3068\u3057\u3066\u8a2d\u5b9a\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>2\u3001ALTER TABLE\u6587\u3092\u4f7f\u7528\u3057\u3066\u3001\u4e3b\u30ad\u30fc\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code class=\"lang-sql\">ALTER TABLE employees\r\nADD CONSTRAINT pk_employee_id PRIMARY KEY (employee_id);\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u306e\u4f8b\u3067\u306f\u3001ALTER TABLE\u6587\u3092\u4f7f\u7528\u3057\u3066\u3001employee_id\u5217\u3092employees\u30c6\u30fc\u30d6\u30eb\u306e\u4e3b\u30ad\u30fc\u3068\u3057\u3066\u8a2d\u5b9a\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u4e3b\u30ad\u30fc\u306f\u4e00\u610f\u3067\u304b\u3064\u7a7a\u3067\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u4e3b\u30ad\u30fc\u3092\u4f5c\u6210\u307e\u305f\u306f\u8a2d\u5b9a\u3059\u308b\u969b\u306b\u3001\u30c7\u30fc\u30bf\u306e\u4e00\u610f\u6027\u3068\u5b8c\u5168\u6027\u3092\u78ba\u4fdd\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PL\/SQL\u3067\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u3057\u3001\u4e3b\u30ad\u30fc\u3092\u8a2d\u5b9a\u3059\u308b\u306b\u306f\u3001CREATE TABLE\u6587\u3068ALTER TABLE\u6587\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u4f8b\u3067\u3059\uff1a \u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u3057\u3001\u4e3b\u30ad\u30fc\u3092\u8a2d\u5b9a\u3059\u308b\u3002 CREATE TABLE employees [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[193,119,14,1071,641],"class_list":["post-7030","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-pl-sql","tag-sql","tag-14","tag-1071","tag-641"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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