{"blog_title":"\u8eca\u8f2a\u306ex\u767a\u660e ~B.G's Blog~","provider_name":"Hatena Blog","version":"1.0","author_name":"BG1","width":"100%","description":"PostgreSQL\u306e\u4e2d\u3067\u3001\u56db\u5247\u6f14\u7b97\u3092\u4f7f\u3046\u3002https://www.postgresql.jp/docs/9.4/functions-math.html postgresdb1=# CREATE TABLE products ( id INT, name VARCHAR(100), price DECIMAL(10, 2), tax DECIMAL(10, 2), quantity INT, discount DECIMAL(10, 2) ); CREATE TABLE postgresdb1=# INSERT INTO products (id, name, price, tax, quan\u2026","blog_url":"https://bg1.hatenablog.com/","url":"https://bg1.hatenablog.com/entry/2025/07/13/210000","published":"2025-07-13 21:00:00","title":"\u56db\u5247\u6f14\u7b97","type":"rich","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/BG1/","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fbg1.hatenablog.com%2Fentry%2F2025%2F07%2F13%2F210000\" title=\"\u56db\u5247\u6f14\u7b97 - \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>","categories":["PostgreSQL"],"image_url":null}