{"url":"https://bg1.hatenablog.com/entry/2025/07/25/210000","image_url":null,"width":"100%","published":"2025-07-25 21:00:00","categories":["PostgreSQL"],"author_name":"BG1","provider_name":"Hatena Blog","type":"rich","height":"190","title":"\u4fee\u98fe\u5b50\u4ed8\u304d\u30ab\u30e9\u30e0\u540d","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fbg1.hatenablog.com%2Fentry%2F2025%2F07%2F25%2F210000\" title=\"\u4fee\u98fe\u5b50\u4ed8\u304d\u30ab\u30e9\u30e0\u540d - \u8eca\u8f2a\u306ex\u767a\u660e ~B.G&#39;s Blog~\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"\u8eca\u8f2a\u306ex\u767a\u660e ~B.G's Blog~","description":"\u3053\u308c\u307e\u3067\u81ea\u7136\u3068\u305a\u3063\u3068\u4f7f\u3063\u3066\u3044\u305f\u3051\u3069\u3001\u8907\u6570\u306e\u30c6\u30fc\u30d6\u30eb\u306e\u30ab\u30e9\u30e0\u3092\u6307\u5b9a\u3059\u308b\u5834\u5408\u306f\u3001 table.column \u3068\u3044\u3046\u3088\u3046\u306b\u3001\u30c6\u30fc\u30d6\u30eb\u540d\u3068\u30ab\u30e9\u30e0\u540d\u3092\u30c9\u30c3\u30c8('.')\u3067\u3064\u306a\u3052\u308b\u3002SELECT postgresdb1=# SELECT * FROM users; id | name | email ----+-------+------------------- 1 | Alice | alice@example.com 2 | Bob | bob@example.com (2 \u884c) postgresdb1=# SELECT * FROM orders; id | user_id | product | \u2026","blog_url":"https://bg1.hatenablog.com/","author_url":"https://blog.hatena.ne.jp/BG1/","provider_url":"https://hatena.blog","version":"1.0"}