{"provider_url":"https://hatena.blog","height":"190","published":"2025-07-14 21:00:00","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fbg1.hatenablog.com%2Fentry%2F2025%2F07%2F14%2F210000\" title=\"AS - \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>","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/BG1/","image_url":null,"blog_title":"\u8eca\u8f2a\u306ex\u767a\u660e ~B.G's Blog~","categories":["PostgreSQL"],"description":"AS\u3067\u4e00\u6642\u7684\u306a\u5225\u540d\u3092\u4ed8\u3051\u3089\u308c\u308b\u3002https://www.postgresql.jp/document/7.4/html/queries-table-expressions.html postgresdb1=# SELECT price + tax AS total_price FROM products; total_price ------------- 110.00 210.00 260.00 60.00 (4 \u884c) postgresdb1=#\u30ab\u30e9\u30e0\u540d\u3092total_price\u3068\u540d\u4ed8\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u305f\u3002","type":"rich","version":"1.0","author_name":"BG1","width":"100%","title":"AS","url":"https://bg1.hatenablog.com/entry/2025/07/14/210000","blog_url":"https://bg1.hatenablog.com/"}